diff --git a/keyserver/src/socket/socket.js b/keyserver/src/socket/socket.js
index fd8c53ffc..c58b468b6 100644
--- a/keyserver/src/socket/socket.js
+++ b/keyserver/src/socket/socket.js
@@ -1,813 +1,814 @@
 // @flow
 
 import type { $Request } from 'express';
 import invariant from 'invariant';
 import _debounce from 'lodash/debounce';
 import t from 'tcomb';
 import WebSocket from 'ws';
 
 import { mostRecentMessageTimestamp } from 'lib/shared/message-utils';
 import {
   serverRequestSocketTimeout,
   serverResponseTimeout,
 } from 'lib/shared/timeouts';
 import { mostRecentUpdateTimestamp } from 'lib/shared/update-utils';
 import type { Shape } from 'lib/types/core';
 import { endpointIsSocketSafe } from 'lib/types/endpoints';
 import { defaultNumberPerThread } from 'lib/types/message-types';
 import { redisMessageTypes, type RedisMessage } from 'lib/types/redis-types';
 import {
   cookieSources,
   sessionCheckFrequency,
   stateCheckInactivityActivationInterval,
 } from 'lib/types/session-types';
 import {
   type ClientSocketMessage,
   type InitialClientSocketMessage,
   type ResponsesClientSocketMessage,
   type ServerStateSyncFullSocketPayload,
   type ServerServerSocketMessage,
   type ErrorServerSocketMessage,
   type AuthErrorServerSocketMessage,
   type PingClientSocketMessage,
   type AckUpdatesClientSocketMessage,
   type APIRequestClientSocketMessage,
   clientSocketMessageTypes,
   stateSyncPayloadTypes,
   serverSocketMessageTypes,
 } from 'lib/types/socket-types';
 import { ServerError } from 'lib/utils/errors';
 import { values } from 'lib/utils/objects';
 import { promiseAll } from 'lib/utils/promises';
 import SequentialPromiseResolver from 'lib/utils/sequential-promise-resolver';
 import sleep from 'lib/utils/sleep';
 import { tShape, tCookie } from 'lib/utils/validation-utils';
 
 import { fetchUpdateInfosWithRawUpdateInfos } from '../creators/update-creator';
 import { deleteActivityForViewerSession } from '../deleters/activity-deleters';
 import { deleteCookie } from '../deleters/cookie-deleters';
 import { deleteUpdatesBeforeTimeTargetingSession } from '../deleters/update-deleters';
 import { jsonEndpoints } from '../endpoints';
 import { fetchEntryInfos } from '../fetchers/entry-fetchers';
 import {
   fetchMessageInfosSince,
   getMessageFetchResultFromRedisMessages,
 } from '../fetchers/message-fetchers';
 import { fetchThreadInfos } from '../fetchers/thread-fetchers';
 import { fetchUpdateInfos } from '../fetchers/update-fetchers';
 import {
   fetchCurrentUserInfo,
   fetchKnownUserInfos,
 } from '../fetchers/user-fetchers';
 import {
   newEntryQueryInputValidator,
   verifyCalendarQueryThreadIDs,
 } from '../responders/entry-responders';
 import { handleAsyncPromise } from '../responders/handlers';
 import {
   fetchViewerForSocket,
   extendCookieLifespan,
   createNewAnonymousCookie,
 } from '../session/cookies';
 import { Viewer } from '../session/viewer';
 import { commitSessionUpdate } from '../updaters/session-updaters';
 import { assertSecureRequest } from '../utils/security-utils';
 import {
   checkInputValidator,
   checkClientSupported,
 } from '../utils/validation-utils';
 import { RedisSubscriber } from './redis';
 import {
   clientResponseInputValidator,
   processClientResponses,
   initializeSession,
   checkState,
 } from './session-utils';
 
 const clientSocketMessageInputValidator = t.union([
   tShape({
     type: t.irreducible(
       'clientSocketMessageTypes.INITIAL',
       x => x === clientSocketMessageTypes.INITIAL,
     ),
     id: t.Number,
     payload: tShape({
       sessionIdentification: tShape({
         cookie: t.maybe(tCookie),
         sessionID: t.maybe(t.String),
       }),
       sessionState: tShape({
         calendarQuery: newEntryQueryInputValidator,
         messagesCurrentAsOf: t.Number,
         updatesCurrentAsOf: t.Number,
         watchedIDs: t.list(t.String),
       }),
       clientResponses: t.list(clientResponseInputValidator),
     }),
   }),
   tShape({
     type: t.irreducible(
       'clientSocketMessageTypes.RESPONSES',
       x => x === clientSocketMessageTypes.RESPONSES,
     ),
     id: t.Number,
     payload: tShape({
       clientResponses: t.list(clientResponseInputValidator),
     }),
   }),
   tShape({
     type: t.irreducible(
       'clientSocketMessageTypes.PING',
       x => x === clientSocketMessageTypes.PING,
     ),
     id: t.Number,
   }),
   tShape({
     type: t.irreducible(
       'clientSocketMessageTypes.ACK_UPDATES',
       x => x === clientSocketMessageTypes.ACK_UPDATES,
     ),
     id: t.Number,
     payload: tShape({
       currentAsOf: t.Number,
     }),
   }),
   tShape({
     type: t.irreducible(
       'clientSocketMessageTypes.API_REQUEST',
       x => x === clientSocketMessageTypes.API_REQUEST,
     ),
     id: t.Number,
     payload: tShape({
       endpoint: t.String,
       input: t.Object,
     }),
   }),
 ]);
 
 function onConnection(ws: WebSocket, req: $Request) {
   assertSecureRequest(req);
   new Socket(ws, req);
 }
 
 type StateCheckConditions = {
   activityRecentlyOccurred: boolean,
   stateCheckOngoing: boolean,
 };
 
 class Socket {
   ws: WebSocket;
   httpRequest: $Request;
   viewer: ?Viewer;
   redis: ?RedisSubscriber;
   redisPromiseResolver: SequentialPromiseResolver<ServerServerSocketMessage>;
 
   stateCheckConditions: StateCheckConditions = {
     activityRecentlyOccurred: true,
     stateCheckOngoing: false,
   };
   stateCheckTimeoutID: ?TimeoutID;
 
   constructor(ws: WebSocket, httpRequest: $Request) {
     this.ws = ws;
     this.httpRequest = httpRequest;
     ws.on('message', this.onMessage);
     ws.on('close', this.onClose);
     this.resetTimeout();
     this.redisPromiseResolver = new SequentialPromiseResolver(this.sendMessage);
   }
 
   onMessage = async (
     messageString: string | Buffer | ArrayBuffer | Array<Buffer>,
   ) => {
     invariant(typeof messageString === 'string', 'message should be string');
     let clientSocketMessage: ?ClientSocketMessage;
     try {
       this.resetTimeout();
       const message = JSON.parse(messageString);
       checkInputValidator(clientSocketMessageInputValidator, message);
       clientSocketMessage = message;
       if (clientSocketMessage.type === clientSocketMessageTypes.INITIAL) {
         if (this.viewer) {
           // This indicates that the user sent multiple INITIAL messages.
           throw new ServerError('socket_already_initialized');
         }
         this.viewer = await fetchViewerForSocket(
           this.httpRequest,
           clientSocketMessage,
         );
         if (!this.viewer) {
           // This indicates that the cookie was invalid, but the client is using
           // cookieSources.HEADER and thus can't accept a new cookie over
           // WebSockets. See comment under catch block for socket_deauthorized.
           throw new ServerError('socket_deauthorized');
         }
       }
       const { viewer } = this;
       if (!viewer) {
         // This indicates a non-INITIAL message was sent by the client before
         // the INITIAL message.
         throw new ServerError('socket_uninitialized');
       }
       if (viewer.sessionChanged) {
         // This indicates that the cookie was invalid, and we've assigned a new
         // anonymous one.
         throw new ServerError('socket_deauthorized');
       }
       if (!viewer.loggedIn) {
         // This indicates that the specified cookie was an anonymous one.
         throw new ServerError('not_logged_in');
       }
       await checkClientSupported(
         viewer,
         clientSocketMessageInputValidator,
         clientSocketMessage,
       );
       const serverResponses = await this.handleClientSocketMessage(
         clientSocketMessage,
       );
       if (!this.redis) {
         this.redis = new RedisSubscriber(
           { userID: viewer.userID, sessionID: viewer.session },
           this.onRedisMessage,
         );
       }
       if (viewer.sessionChanged) {
         // This indicates that something has caused the session to change, which
         // shouldn't happen from inside a WebSocket since we can't handle cookie
         // invalidation.
         throw new ServerError('session_mutated_from_socket');
       }
       if (clientSocketMessage.type !== clientSocketMessageTypes.PING) {
         handleAsyncPromise(extendCookieLifespan(viewer.cookieID));
       }
       for (const response of serverResponses) {
         this.sendMessage(response);
       }
       if (clientSocketMessage.type === clientSocketMessageTypes.INITIAL) {
         this.onSuccessfulConnection();
       }
     } catch (error) {
       console.warn(error);
       if (!(error instanceof ServerError)) {
         const errorMessage: ErrorServerSocketMessage = {
           type: serverSocketMessageTypes.ERROR,
           message: error.message,
         };
         const responseTo = clientSocketMessage ? clientSocketMessage.id : null;
         if (responseTo !== null) {
           errorMessage.responseTo = responseTo;
         }
         this.markActivityOccurred();
         this.sendMessage(errorMessage);
         return;
       }
       invariant(clientSocketMessage, 'should be set');
       const responseTo = clientSocketMessage.id;
       if (error.message === 'socket_deauthorized') {
         const authErrorMessage: AuthErrorServerSocketMessage = {
           type: serverSocketMessageTypes.AUTH_ERROR,
           responseTo,
           message: error.message,
         };
         if (this.viewer) {
           // viewer should only be falsey for cookieSources.HEADER (web)
           // clients. Usually if the cookie is invalid we construct a new
           // anonymous Viewer with a new cookie, and then pass the cookie down
           // in the error. But we can't pass HTTP cookies in WebSocket messages.
           authErrorMessage.sessionChange = {
             cookie: this.viewer.cookiePairString,
             currentUserInfo: {
               id: this.viewer.cookieID,
               anonymous: true,
             },
           };
         }
         this.sendMessage(authErrorMessage);
         this.ws.close(4100, error.message);
         return;
       } else if (error.message === 'client_version_unsupported') {
         const { viewer } = this;
         invariant(viewer, 'should be set');
         const promises = {};
         promises.deleteCookie = deleteCookie(viewer.cookieID);
         if (viewer.cookieSource !== cookieSources.BODY) {
           promises.anonymousViewerData = createNewAnonymousCookie({
             platformDetails: error.platformDetails,
             deviceToken: viewer.deviceToken,
           });
         }
         const { anonymousViewerData } = await promiseAll(promises);
         const authErrorMessage: AuthErrorServerSocketMessage = {
           type: serverSocketMessageTypes.AUTH_ERROR,
           responseTo,
           message: error.message,
         };
         if (anonymousViewerData) {
           // It is normally not safe to pass the result of
           // createNewAnonymousCookie to the Viewer constructor. That is because
           // createNewAnonymousCookie leaves several fields of
           // AnonymousViewerData unset, and consequently Viewer will throw when
           // access is attempted. It is only safe here because we can guarantee
           // that only cookiePairString and cookieID are accessed on anonViewer
           // below.
           const anonViewer = new Viewer(anonymousViewerData);
           authErrorMessage.sessionChange = {
             cookie: anonViewer.cookiePairString,
             currentUserInfo: {
               id: anonViewer.cookieID,
               anonymous: true,
             },
           };
         }
         this.sendMessage(authErrorMessage);
         this.ws.close(4101, error.message);
         return;
       }
       if (error.payload) {
         this.sendMessage({
           type: serverSocketMessageTypes.ERROR,
           responseTo,
           message: error.message,
           payload: error.payload,
         });
       } else {
         this.sendMessage({
           type: serverSocketMessageTypes.ERROR,
           responseTo,
           message: error.message,
         });
       }
       if (error.message === 'not_logged_in') {
         this.ws.close(4102, error.message);
       } else if (error.message === 'session_mutated_from_socket') {
         this.ws.close(4103, error.message);
       } else {
         this.markActivityOccurred();
       }
     }
   };
 
   onClose = async () => {
     this.clearStateCheckTimeout();
     this.resetTimeout.cancel();
     this.debouncedAfterActivity.cancel();
     if (this.viewer && this.viewer.hasSessionInfo) {
       await deleteActivityForViewerSession(this.viewer);
     }
     if (this.redis) {
       this.redis.quit();
       this.redis = null;
     }
   };
 
   sendMessage = (message: ServerServerSocketMessage) => {
     invariant(
       this.ws.readyState > 0,
       "shouldn't send message until connection established",
     );
     if (this.ws.readyState === 1) {
       this.ws.send(JSON.stringify(message));
     }
   };
 
   async handleClientSocketMessage(
     message: ClientSocketMessage,
   ): Promise<ServerServerSocketMessage[]> {
     const resultPromise = (async () => {
       if (message.type === clientSocketMessageTypes.INITIAL) {
         this.markActivityOccurred();
         return await this.handleInitialClientSocketMessage(message);
       } else if (message.type === clientSocketMessageTypes.RESPONSES) {
         this.markActivityOccurred();
         return await this.handleResponsesClientSocketMessage(message);
       } else if (message.type === clientSocketMessageTypes.PING) {
         return this.handlePingClientSocketMessage(message);
       } else if (message.type === clientSocketMessageTypes.ACK_UPDATES) {
         this.markActivityOccurred();
         return await this.handleAckUpdatesClientSocketMessage(message);
       } else if (message.type === clientSocketMessageTypes.API_REQUEST) {
         this.markActivityOccurred();
         return await this.handleAPIRequestClientSocketMessage(message);
       }
       return [];
     })();
     const timeoutPromise = (async () => {
       await sleep(serverResponseTimeout);
       throw new ServerError('socket_response_timeout');
     })();
     return await Promise.race([resultPromise, timeoutPromise]);
   }
 
   async handleInitialClientSocketMessage(
     message: InitialClientSocketMessage,
   ): Promise<ServerServerSocketMessage[]> {
     const { viewer } = this;
     invariant(viewer, 'should be set');
 
     const responses = [];
 
     const { sessionState, clientResponses } = message.payload;
     const {
       calendarQuery,
       updatesCurrentAsOf: oldUpdatesCurrentAsOf,
       messagesCurrentAsOf: oldMessagesCurrentAsOf,
       watchedIDs,
     } = sessionState;
     await verifyCalendarQueryThreadIDs(calendarQuery);
 
     const sessionInitializationResult = await initializeSession(
       viewer,
       calendarQuery,
       oldUpdatesCurrentAsOf,
     );
 
     const threadCursors = {};
     for (const watchedThreadID of watchedIDs) {
       threadCursors[watchedThreadID] = null;
     }
     const messageSelectionCriteria = {
       threadCursors,
       joinedThreads: true,
       newerThan: oldMessagesCurrentAsOf,
     };
     const [
       fetchMessagesResult,
       { serverRequests, activityUpdateResult },
     ] = await Promise.all([
       fetchMessageInfosSince(
         viewer,
         messageSelectionCriteria,
         defaultNumberPerThread,
       ),
       processClientResponses(viewer, clientResponses),
     ]);
     const messagesResult = {
       rawMessageInfos: fetchMessagesResult.rawMessageInfos,
       truncationStatuses: fetchMessagesResult.truncationStatuses,
       currentAsOf: mostRecentMessageTimestamp(
         fetchMessagesResult.rawMessageInfos,
         oldMessagesCurrentAsOf,
       ),
     };
 
     if (!sessionInitializationResult.sessionContinued) {
       const [
         threadsResult,
         entriesResult,
         currentUserInfo,
         knownUserInfos,
       ] = await Promise.all([
         fetchThreadInfos(viewer),
         fetchEntryInfos(viewer, [calendarQuery]),
         fetchCurrentUserInfo(viewer),
         fetchKnownUserInfos(viewer),
       ]);
       const payload: ServerStateSyncFullSocketPayload = {
         type: stateSyncPayloadTypes.FULL,
         messagesResult,
         threadInfos: threadsResult.threadInfos,
         currentUserInfo,
         rawEntryInfos: entriesResult.rawEntryInfos,
         userInfos: values(knownUserInfos),
         updatesCurrentAsOf: oldUpdatesCurrentAsOf,
       };
       if (viewer.sessionChanged) {
-        // If initializeSession encounters sessionIdentifierTypes.BODY_SESSION_ID,
-        // but the session is unspecified or expired, it will set a new sessionID
-        // and specify viewer.sessionChanged
+        // If initializeSession encounters,
+        // sessionIdentifierTypes.BODY_SESSION_ID but the session
+        // is unspecified or expired,
+        // it will set a new sessionID and specify viewer.sessionChanged
         const { sessionID } = viewer;
         invariant(
           sessionID !== null && sessionID !== undefined,
           'should be set',
         );
         payload.sessionID = sessionID;
         viewer.sessionChanged = false;
       }
       responses.push({
         type: serverSocketMessageTypes.STATE_SYNC,
         responseTo: message.id,
         payload,
       });
     } else {
       const {
         sessionUpdate,
         deltaEntryInfoResult,
       } = sessionInitializationResult;
 
       const promises = {};
       promises.deleteExpiredUpdates = deleteUpdatesBeforeTimeTargetingSession(
         viewer,
         oldUpdatesCurrentAsOf,
       );
       promises.fetchUpdateResult = fetchUpdateInfos(
         viewer,
         oldUpdatesCurrentAsOf,
         calendarQuery,
       );
       promises.sessionUpdate = commitSessionUpdate(viewer, sessionUpdate);
       const { fetchUpdateResult } = await promiseAll(promises);
 
       const { updateInfos, userInfos } = fetchUpdateResult;
       const newUpdatesCurrentAsOf = mostRecentUpdateTimestamp(
         [...updateInfos],
         oldUpdatesCurrentAsOf,
       );
       const updatesResult = {
         newUpdates: updateInfos,
         currentAsOf: newUpdatesCurrentAsOf,
       };
 
       responses.push({
         type: serverSocketMessageTypes.STATE_SYNC,
         responseTo: message.id,
         payload: {
           type: stateSyncPayloadTypes.INCREMENTAL,
           messagesResult,
           updatesResult,
           deltaEntryInfos: deltaEntryInfoResult.rawEntryInfos,
           deletedEntryIDs: deltaEntryInfoResult.deletedEntryIDs,
           userInfos: values(userInfos),
         },
       });
     }
 
     if (serverRequests.length > 0 || clientResponses.length > 0) {
       // We send this message first since the STATE_SYNC triggers the client's
       // connection status to shift to "connected", and we want to make sure the
       // client responses are cleared from Redux before that happens
       responses.unshift({
         type: serverSocketMessageTypes.REQUESTS,
         responseTo: message.id,
         payload: { serverRequests },
       });
     }
 
     if (activityUpdateResult) {
       // Same reason for unshifting as above
       responses.unshift({
         type: serverSocketMessageTypes.ACTIVITY_UPDATE_RESPONSE,
         responseTo: message.id,
         payload: activityUpdateResult,
       });
     }
 
     return responses;
   }
 
   async handleResponsesClientSocketMessage(
     message: ResponsesClientSocketMessage,
   ): Promise<ServerServerSocketMessage[]> {
     const { viewer } = this;
     invariant(viewer, 'should be set');
 
     const { clientResponses } = message.payload;
     const { stateCheckStatus } = await processClientResponses(
       viewer,
       clientResponses,
     );
 
     const serverRequests = [];
     if (stateCheckStatus && stateCheckStatus.status !== 'state_check') {
       const { sessionUpdate, checkStateRequest } = await checkState(
         viewer,
         stateCheckStatus,
         viewer.calendarQuery,
       );
       if (sessionUpdate) {
         await commitSessionUpdate(viewer, sessionUpdate);
         this.setStateCheckConditions({ stateCheckOngoing: false });
       }
       if (checkStateRequest) {
         serverRequests.push(checkStateRequest);
       }
     }
 
     // We send a response message regardless of whether we have any requests,
     // since we need to ack the client's responses
     return [
       {
         type: serverSocketMessageTypes.REQUESTS,
         responseTo: message.id,
         payload: { serverRequests },
       },
     ];
   }
 
   handlePingClientSocketMessage(
     message: PingClientSocketMessage,
   ): ServerServerSocketMessage[] {
     return [
       {
         type: serverSocketMessageTypes.PONG,
         responseTo: message.id,
       },
     ];
   }
 
   async handleAckUpdatesClientSocketMessage(
     message: AckUpdatesClientSocketMessage,
   ): Promise<ServerServerSocketMessage[]> {
     const { viewer } = this;
     invariant(viewer, 'should be set');
     const { currentAsOf } = message.payload;
     await Promise.all([
       deleteUpdatesBeforeTimeTargetingSession(viewer, currentAsOf),
       commitSessionUpdate(viewer, { lastUpdate: currentAsOf }),
     ]);
     return [];
   }
 
   async handleAPIRequestClientSocketMessage(
     message: APIRequestClientSocketMessage,
   ): Promise<ServerServerSocketMessage[]> {
     if (!endpointIsSocketSafe(message.payload.endpoint)) {
       throw new ServerError('endpoint_unsafe_for_socket');
     }
     const { viewer } = this;
     invariant(viewer, 'should be set');
     const responder = jsonEndpoints[message.payload.endpoint];
     const response = await responder(viewer, message.payload.input);
     return [
       {
         type: serverSocketMessageTypes.API_RESPONSE,
         responseTo: message.id,
         payload: response,
       },
     ];
   }
 
   onRedisMessage = async (message: RedisMessage) => {
     try {
       await this.processRedisMessage(message);
     } catch (e) {
       console.warn(e);
     }
   };
 
   async processRedisMessage(message: RedisMessage) {
     if (message.type === redisMessageTypes.START_SUBSCRIPTION) {
       this.ws.terminate();
     } else if (message.type === redisMessageTypes.NEW_UPDATES) {
       const { viewer } = this;
       invariant(viewer, 'should be set');
       if (message.ignoreSession && message.ignoreSession === viewer.session) {
         return;
       }
       const rawUpdateInfos = message.updates;
       this.redisPromiseResolver.add(
         (async () => {
           const {
             updateInfos,
             userInfos,
           } = await fetchUpdateInfosWithRawUpdateInfos(rawUpdateInfos, {
             viewer,
           });
           if (updateInfos.length === 0) {
             console.warn(
               'could not get any UpdateInfos from redisMessageTypes.NEW_UPDATES',
             );
             return null;
           }
           this.markActivityOccurred();
           return {
             type: serverSocketMessageTypes.UPDATES,
             payload: {
               updatesResult: {
                 currentAsOf: mostRecentUpdateTimestamp([...updateInfos], 0),
                 newUpdates: updateInfos,
               },
               userInfos: values(userInfos),
             },
           };
         })(),
       );
     } else if (message.type === redisMessageTypes.NEW_MESSAGES) {
       const { viewer } = this;
       invariant(viewer, 'should be set');
       const rawMessageInfos = message.messages;
       const messageFetchResult = getMessageFetchResultFromRedisMessages(
         viewer,
         rawMessageInfos,
       );
       if (messageFetchResult.rawMessageInfos.length === 0) {
         console.warn(
           'could not get any rawMessageInfos from ' +
             'redisMessageTypes.NEW_MESSAGES',
         );
         return;
       }
       this.redisPromiseResolver.add(
         (async () => {
           this.markActivityOccurred();
           return {
             type: serverSocketMessageTypes.MESSAGES,
             payload: {
               messagesResult: {
                 rawMessageInfos: messageFetchResult.rawMessageInfos,
                 truncationStatuses: messageFetchResult.truncationStatuses,
                 currentAsOf: mostRecentMessageTimestamp(
                   messageFetchResult.rawMessageInfos,
                   0,
                 ),
               },
             },
           };
         })(),
       );
     }
   }
 
   onSuccessfulConnection() {
     if (this.ws.readyState !== 1) {
       return;
     }
     this.handleStateCheckConditionsUpdate();
   }
 
   // The Socket will timeout by calling this.ws.terminate()
   // serverRequestSocketTimeout milliseconds after the last
   // time resetTimeout is called
   resetTimeout = _debounce(
     () => this.ws.terminate(),
     serverRequestSocketTimeout,
   );
 
   debouncedAfterActivity = _debounce(
     () => this.setStateCheckConditions({ activityRecentlyOccurred: false }),
     stateCheckInactivityActivationInterval,
   );
 
   markActivityOccurred = () => {
     if (this.ws.readyState !== 1) {
       return;
     }
     this.setStateCheckConditions({ activityRecentlyOccurred: true });
     this.debouncedAfterActivity();
   };
 
   clearStateCheckTimeout() {
     const { stateCheckTimeoutID } = this;
     if (stateCheckTimeoutID) {
       clearTimeout(stateCheckTimeoutID);
       this.stateCheckTimeoutID = null;
     }
   }
 
   setStateCheckConditions(newConditions: Shape<StateCheckConditions>) {
     this.stateCheckConditions = {
       ...this.stateCheckConditions,
       ...newConditions,
     };
     this.handleStateCheckConditionsUpdate();
   }
 
   get stateCheckCanStart() {
     return Object.values(this.stateCheckConditions).every(cond => !cond);
   }
 
   handleStateCheckConditionsUpdate() {
     if (!this.stateCheckCanStart) {
       this.clearStateCheckTimeout();
       return;
     }
     if (this.stateCheckTimeoutID) {
       return;
     }
     const { viewer } = this;
     if (!viewer) {
       return;
     }
     const timeUntilStateCheck =
       viewer.sessionLastValidated + sessionCheckFrequency - Date.now();
     if (timeUntilStateCheck <= 0) {
       this.initiateStateCheck();
     } else {
       this.stateCheckTimeoutID = setTimeout(
         this.initiateStateCheck,
         timeUntilStateCheck,
       );
     }
   }
 
   initiateStateCheck = async () => {
     this.setStateCheckConditions({ stateCheckOngoing: true });
 
     const { viewer } = this;
     invariant(viewer, 'should be set');
 
     const { checkStateRequest } = await checkState(
       viewer,
       { status: 'state_check' },
       viewer.calendarQuery,
     );
     invariant(checkStateRequest, 'should be set');
 
     this.sendMessage({
       type: serverSocketMessageTypes.REQUESTS,
       payload: { serverRequests: [checkStateRequest] },
     });
   };
 }
 
 export { onConnection };
diff --git a/lib/shared/messages/text-message-spec.js b/lib/shared/messages/text-message-spec.js
index 2ec145a48..806471a33 100644
--- a/lib/shared/messages/text-message-spec.js
+++ b/lib/shared/messages/text-message-spec.js
@@ -1,190 +1,191 @@
 // @flow
 
 import invariant from 'invariant';
 import * as SimpleMarkdown from 'simple-markdown';
 
 import { messageTypes } from '../../types/message-types';
 import type {
   MessageInfo,
   ClientDBMessageInfo,
 } from '../../types/message-types';
 import type {
   RawTextMessageInfo,
   TextMessageData,
   TextMessageInfo,
 } from '../../types/messages/text';
 import type { NotifTexts } from '../../types/notif-types';
 import type { ThreadInfo } from '../../types/thread-types';
 import type { RelativeUserInfo } from '../../types/user-types';
 import { type ASTNode, type SingleASTNode } from '../markdown';
 import { threadIsGroupChat } from '../thread-utils';
 import { stringForUser } from '../user-utils';
 import type {
   MessageSpec,
   NotificationTextsParams,
   RawMessageInfoFromServerDBRowParams,
 } from './message-spec';
 import { assertSingleMessageInfo } from './utils';
 
 /**
- * most of the markdown leaves contain `content` field (it is an array or a string)
- * apart from lists, which have `items` field (that holds an array)
+ * most of the markdown leaves contain `content` field
+ * (it is an array or a string) apart from lists,
+ * which have `items` field (that holds an array)
  */
 const rawTextFromMarkdownAST = (node: ASTNode): string => {
   if (Array.isArray(node)) {
     return node.map(rawTextFromMarkdownAST).join('');
   }
   const { content, items } = node;
   if (content && typeof content === 'string') {
     return content;
   } else if (items) {
     return rawTextFromMarkdownAST(items);
   } else if (content) {
     return rawTextFromMarkdownAST(content);
   }
   return '';
 };
 
 const getFirstNonQuotedRawLine = (
   nodes: $ReadOnlyArray<SingleASTNode>,
 ): string => {
   let result = 'message';
   for (const node of nodes) {
     if (node.type === 'blockQuote') {
       result = 'quoted message';
     } else {
       const rawText = rawTextFromMarkdownAST(node);
       if (!rawText || !rawText.replace(/\s/g, '')) {
         // handles the case of an empty(or containing only white spaces)
         // new line that usually occurs between a quote and the rest
         // of the message(we don't want it as a title, thus continue)
         continue;
       }
       return rawText;
     }
   }
   return result;
 };
 
 export const textMessageSpec: MessageSpec<
   TextMessageData,
   RawTextMessageInfo,
   TextMessageInfo,
 > = Object.freeze({
   messageContentForServerDB(
     data: TextMessageData | RawTextMessageInfo,
   ): string {
     return data.text;
   },
 
   messageContentForClientDB(data: RawTextMessageInfo): string {
     return this.messageContentForServerDB(data);
   },
 
   messageTitle({ messageInfo, markdownRules }) {
     const { text } = messageInfo;
     const parser = SimpleMarkdown.parserFor(markdownRules);
     const ast = parser(text, { disableAutoBlockNewlines: true });
 
     return getFirstNonQuotedRawLine(ast).trim();
   },
 
   rawMessageInfoFromServerDBRow(
     row: Object,
     params: RawMessageInfoFromServerDBRowParams,
   ): RawTextMessageInfo {
     const rawTextMessageInfo: RawTextMessageInfo = {
       type: messageTypes.TEXT,
       id: row.id.toString(),
       threadID: row.threadID.toString(),
       time: row.time,
       creatorID: row.creatorID.toString(),
       text: row.content,
     };
     if (params.localID) {
       rawTextMessageInfo.localID = params.localID;
     }
     return rawTextMessageInfo;
   },
 
   rawMessageInfoFromClientDB(
     clientDBMessageInfo: ClientDBMessageInfo,
   ): RawTextMessageInfo {
     const rawTextMessageInfo: RawTextMessageInfo = {
       type: messageTypes.TEXT,
       threadID: clientDBMessageInfo.thread,
       time: parseInt(clientDBMessageInfo.time),
       creatorID: clientDBMessageInfo.user,
       text: clientDBMessageInfo.content ?? '',
     };
     if (clientDBMessageInfo.local_id) {
       rawTextMessageInfo.localID = clientDBMessageInfo.local_id;
     }
     if (clientDBMessageInfo.id !== clientDBMessageInfo.local_id) {
       rawTextMessageInfo.id = clientDBMessageInfo.id;
     }
     return rawTextMessageInfo;
   },
 
   createMessageInfo(
     rawMessageInfo: RawTextMessageInfo,
     creator: RelativeUserInfo,
   ): TextMessageInfo {
     const messageInfo: TextMessageInfo = {
       type: messageTypes.TEXT,
       threadID: rawMessageInfo.threadID,
       creator,
       time: rawMessageInfo.time,
       text: rawMessageInfo.text,
     };
     if (rawMessageInfo.id) {
       messageInfo.id = rawMessageInfo.id;
     }
     if (rawMessageInfo.localID) {
       messageInfo.localID = rawMessageInfo.localID;
     }
     return messageInfo;
   },
 
   rawMessageInfoFromMessageData(
     messageData: TextMessageData,
     id: ?string,
   ): RawTextMessageInfo {
     if (id) {
       return { ...messageData, id };
     } else {
       return { ...messageData };
     }
   },
 
   notificationTexts(
     messageInfos: $ReadOnlyArray<MessageInfo>,
     threadInfo: ThreadInfo,
     params: NotificationTextsParams,
   ): NotifTexts {
     const messageInfo = assertSingleMessageInfo(messageInfos);
     invariant(
       messageInfo.type === messageTypes.TEXT,
       'messageInfo should be messageTypes.TEXT!',
     );
     if (!threadInfo.name && !threadIsGroupChat(threadInfo)) {
       return {
         merged: `${threadInfo.uiName}: ${messageInfo.text}`,
         body: messageInfo.text,
         title: threadInfo.uiName,
       };
     } else {
       const userString = stringForUser(messageInfo.creator);
       const threadName = params.notifThreadName(threadInfo);
       return {
         merged: `${userString} to ${threadName}: ${messageInfo.text}`,
         body: messageInfo.text,
         title: threadInfo.uiName,
         prefix: `${userString}:`,
       };
     }
   },
 
   generatesNotifs: true,
   includedInRepliesCount: true,
 });
diff --git a/lib/utils/fetch-json.js b/lib/utils/fetch-json.js
index f32a37d76..199c31fb3 100644
--- a/lib/utils/fetch-json.js
+++ b/lib/utils/fetch-json.js
@@ -1,204 +1,204 @@
 // @flow
 
 import { fetchJSONTimeout } from '../shared/timeouts';
 import { SocketOffline, SocketTimeout } from '../socket/inflight-requests';
 import type { Shape } from '../types/core';
 import {
   type Endpoint,
   type SocketAPIHandler,
   endpointIsSocketPreferred,
   endpointIsSocketOnly,
 } from '../types/endpoints';
 import type {
   ServerSessionChange,
   ClientSessionChange,
 } from '../types/session-types';
 import type { ConnectionStatus } from '../types/socket-types';
 import type { CurrentUserInfo } from '../types/user-types';
 import { getConfig } from './config';
 import { ServerError, FetchTimeout } from './errors';
 import sleep from './sleep';
 import { uploadBlob, type UploadBlob } from './upload-blob';
 
 export type FetchJSONOptions = Shape<{
   // null timeout means no timeout, which is the default for uploadBlob
   +timeout: ?number, // in milliseconds
   // getResultInfo will be called right before fetchJSON successfully resolves
   // and includes additional information about the request
   +getResultInfo: (resultInfo: FetchResultInfo) => mixed,
   +blobUpload: boolean | UploadBlob,
   // the rest (onProgress, abortHandler) only work with blobUpload
   +onProgress: (percent: number) => void,
   // abortHandler will receive an abort function once the upload starts
   +abortHandler: (abort: () => void) => void,
 }>;
 
 export type FetchResultInfoInterface = 'socket' | 'REST';
 export type FetchResultInfo = {
   +interface: FetchResultInfoInterface,
 };
 
 export type FetchJSONServerResponse = Shape<{
   +cookieChange: ServerSessionChange,
   +currentUserInfo: CurrentUserInfo,
   +error: string,
   +payload: Object,
 }>;
 
 // You'll notice that this is not the type of the fetchJSON function below. This
 // is because the first several parameters to that functon get bound in by the
 // helpers in lib/utils/action-utils.js. This type represents the form of the
 // fetchJSON function that gets passed to the action function in lib/actions.
 export type FetchJSON = (
   endpoint: Endpoint,
   input: Object,
   options?: ?FetchJSONOptions,
 ) => Promise<Object>;
 
 type RequestData = {
   input: { [key: string]: mixed },
   cookie?: ?string,
   sessionID?: ?string,
 };
 
 // If cookie is undefined, then we will defer to the underlying environment to
 // handle cookies, and we won't worry about them. We do this on the web since
 // our cookies are httponly to protect against XSS attacks. On the other hand,
 // on native we want to keep track of the cookies since we don't trust the
 // underlying implementations and prefer for things to be explicit, and XSS
 // isn't a thing on native. Note that for native, cookie might be null
 // (indicating we don't have one), and we will then set an empty Cookie header.
 async function fetchJSON(
   cookie: ?string,
   setNewSession: (sessionChange: ClientSessionChange, error: ?string) => void,
   waitIfCookieInvalidated: () => Promise<?FetchJSON>,
   cookieInvalidationRecovery: (
     sessionChange: ClientSessionChange,
   ) => Promise<?FetchJSON>,
   urlPrefix: string,
   sessionID: ?string,
   connectionStatus: ConnectionStatus,
   socketAPIHandler: ?SocketAPIHandler,
   endpoint: Endpoint,
   input: { [key: string]: mixed },
   options?: ?FetchJSONOptions,
 ): Promise<Object> {
   const possibleReplacement = await waitIfCookieInvalidated();
   if (possibleReplacement) {
     return await possibleReplacement(endpoint, input, options);
   }
 
   if (
     endpointIsSocketPreferred(endpoint) &&
     connectionStatus === 'connected' &&
     socketAPIHandler
   ) {
     try {
       const result = await socketAPIHandler({ endpoint, input });
       options?.getResultInfo?.({ interface: 'socket' });
       return result;
     } catch (e) {
       if (endpointIsSocketOnly(endpoint)) {
         throw e;
       } else if (e instanceof SocketOffline) {
         // nothing
       } else if (e instanceof SocketTimeout) {
         // nothing
       } else {
         throw e;
       }
     }
   }
   if (endpointIsSocketOnly(endpoint)) {
     throw new SocketOffline('socket_offline');
   }
 
   const url = urlPrefix ? `${urlPrefix}/${endpoint}` : endpoint;
 
   let json;
   if (options && options.blobUpload) {
     const uploadBlobCallback =
       typeof options.blobUpload === 'function'
         ? options.blobUpload
         : uploadBlob;
     json = await uploadBlobCallback(url, cookie, sessionID, input, options);
   } else {
     const mergedData: RequestData = { input };
     if (getConfig().setCookieOnRequest) {
       // We make sure that if setCookieOnRequest is true, we never set cookie to
       // undefined. null has a special meaning here: we don't currently have a
-      // cookie, and we want the server to specify the new cookie it will generate
-      // in the response body rather than the response header. See
-      // session-types.js for more details on why we specify cookies in the body.
+      // cookie, and we want the server to specify the new cookie it will
+      // generate in the response body rather than the response header. See
+      // session-types.js for more details on why we specify cookies in the body
       mergedData.cookie = cookie ? cookie : null;
     }
     if (getConfig().setSessionIDOnRequest) {
       // We make sure that if setSessionIDOnRequest is true, we never set
       // sessionID to undefined. null has a special meaning here: we cannot
       // consider the cookieID to be a unique session identifier, but we do not
-      // have a sessionID to use either. This should only happen when the user is
-      // not logged in on web.
+      // have a sessionID to use either. This should only happen when the user
+      // is not logged in on web.
       mergedData.sessionID = sessionID ? sessionID : null;
     }
     const fetchPromise = (async (): Promise<FetchJSONServerResponse> => {
       const response = await fetch(url, {
         method: 'POST',
         // This is necessary to allow cookie headers to get passed down to us
         credentials: 'same-origin',
         body: JSON.stringify(mergedData),
         headers: {
           'Accept': 'application/json',
           'Content-Type': 'application/json',
         },
       });
       const text = await response.text();
       try {
         return JSON.parse(text);
       } catch (e) {
         console.log(text);
         throw e;
       }
     })();
 
     const timeout =
       options && options.timeout ? options.timeout : fetchJSONTimeout;
     if (!timeout) {
       json = await fetchPromise;
     } else {
       const rejectPromise = (async () => {
         await sleep(timeout);
         throw new FetchTimeout(
           `fetchJSON timed out call to ${endpoint}`,
           endpoint,
         );
       })();
       json = await Promise.race([fetchPromise, rejectPromise]);
     }
   }
 
   const { cookieChange, error, payload, currentUserInfo } = json;
   const sessionChange: ?ServerSessionChange = cookieChange;
   if (sessionChange) {
     const { threadInfos, userInfos, ...rest } = sessionChange;
     const clientSessionChange = rest.cookieInvalidated
       ? rest
       : { cookieInvalidated: false, currentUserInfo, ...rest };
     if (clientSessionChange.cookieInvalidated) {
       const maybeReplacement = await cookieInvalidationRecovery(
         clientSessionChange,
       );
       if (maybeReplacement) {
         return await maybeReplacement(endpoint, input, options);
       }
     }
     setNewSession(clientSessionChange, error);
   }
 
   if (error) {
     throw new ServerError(error, payload);
   }
   options?.getResultInfo?.({ interface: 'REST' });
   return json;
 }
 
 export default fetchJSON;
diff --git a/native/chat/chat-input-bar.react.js b/native/chat/chat-input-bar.react.js
index 8fc703ca9..79762dcf5 100644
--- a/native/chat/chat-input-bar.react.js
+++ b/native/chat/chat-input-bar.react.js
@@ -1,984 +1,986 @@
 // @flow
 
 import invariant from 'invariant';
 import _throttle from 'lodash/throttle';
 import * as React from 'react';
 import {
   View,
   TextInput,
   TouchableOpacity,
   Platform,
   Text,
   ActivityIndicator,
   TouchableWithoutFeedback,
   NativeAppEventEmitter,
 } from 'react-native';
 import { TextInputKeyboardMangerIOS } from 'react-native-keyboard-input';
 import Animated, { EasingNode } from 'react-native-reanimated';
 import Icon from 'react-native-vector-icons/Ionicons';
 import { useDispatch } from 'react-redux';
 
 import {
   joinThreadActionTypes,
   joinThread,
   newThreadActionTypes,
 } from 'lib/actions/thread-actions';
 import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors';
 import { localIDPrefix, trimMessage } from 'lib/shared/message-utils';
 import {
   threadHasPermission,
   viewerIsMember,
   threadFrozenDueToViewerBlock,
   threadActualMembers,
   checkIfDefaultMembersAreVoiced,
   draftKeyFromThreadID,
 } from 'lib/shared/thread-utils';
 import type { CalendarQuery } from 'lib/types/entry-types';
 import type { LoadingStatus } from 'lib/types/loading-types';
 import type { PhotoPaste } from 'lib/types/media-types';
 import { messageTypes } from 'lib/types/message-types';
 import type { Dispatch } from 'lib/types/redux-types';
 import {
   type ThreadInfo,
   threadPermissions,
   type ClientThreadJoinRequest,
   type ThreadJoinPayload,
 } from 'lib/types/thread-types';
 import { type UserInfos } from 'lib/types/user-types';
 import {
   type DispatchActionPromise,
   useServerCall,
   useDispatchActionPromise,
 } from 'lib/utils/action-utils';
 
 import Button from '../components/button.react';
 import ClearableTextInput from '../components/clearable-text-input.react';
 import SWMansionIcon from '../components/swmansion-icon.react';
 import { type UpdateDraft, type MoveDraft, useDrafts } from '../data/core-data';
 import { type InputState, InputStateContext } from '../input/input-state';
 import { getKeyboardHeight } from '../keyboard/keyboard';
 import KeyboardInputHost from '../keyboard/keyboard-input-host.react';
 import {
   type KeyboardState,
   KeyboardContext,
 } from '../keyboard/keyboard-state';
 import {
   nonThreadCalendarQuery,
   activeThreadSelector,
 } from '../navigation/nav-selectors';
 import { NavContext } from '../navigation/navigation-context';
 import {
   type NavigationRoute,
   CameraModalRouteName,
   ImagePasteModalRouteName,
 } from '../navigation/route-names';
 import { useSelector } from '../redux/redux-utils';
 import { type Colors, useStyles, useColors } from '../themes/colors';
 import type { LayoutEvent } from '../types/react-native';
 import { type AnimatedViewStyle, AnimatedView } from '../types/styles';
 import { runTiming } from '../utils/animation-utils';
 import { ChatContext } from './chat-context';
 import type { ChatNavigationProp } from './chat.react';
 
 /* eslint-disable import/no-named-as-default-member */
 const {
   Value,
   Clock,
   block,
   set,
   cond,
   neq,
   sub,
   interpolateNode,
   stopClock,
 } = Animated;
 /* eslint-enable import/no-named-as-default-member */
 
 const expandoButtonsAnimationConfig = {
   duration: 150,
   easing: EasingNode.inOut(EasingNode.ease),
 };
 const sendButtonAnimationConfig = {
   duration: 150,
   easing: EasingNode.inOut(EasingNode.ease),
 };
 
 type BaseProps = {
   +threadInfo: ThreadInfo,
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +viewerID: ?string,
   +draft: string,
   +updateDraft: UpdateDraft,
   +moveDraft: MoveDraft,
   +joinThreadLoadingStatus: LoadingStatus,
   +threadCreationInProgress: boolean,
   +calendarQuery: () => CalendarQuery,
   +nextLocalID: number,
   +userInfos: UserInfos,
   +colors: Colors,
   +styles: typeof unboundStyles,
   +onInputBarLayout?: (event: LayoutEvent) => mixed,
   +openCamera: () => mixed,
   // connectNav
   +isActive: boolean,
   // withKeyboardState
   +keyboardState: ?KeyboardState,
   // Redux dispatch functions
   +dispatch: Dispatch,
   +dispatchActionPromise: DispatchActionPromise,
   // async functions that hit server APIs
   +joinThread: (request: ClientThreadJoinRequest) => Promise<ThreadJoinPayload>,
   // withInputState
   +inputState: ?InputState,
 };
 type State = {
   +text: string,
   +textEdited: boolean,
   +buttonsExpanded: boolean,
 };
 class ChatInputBar extends React.PureComponent<Props, State> {
   textInput: ?React.ElementRef<typeof TextInput>;
   clearableTextInput: ?ClearableTextInput;
 
   expandoButtonsOpen: Value;
   targetExpandoButtonsOpen: Value;
   expandoButtonsStyle: AnimatedViewStyle;
   cameraRollIconStyle: AnimatedViewStyle;
   cameraIconStyle: AnimatedViewStyle;
   expandIconStyle: AnimatedViewStyle;
 
   sendButtonContainerOpen: Value;
   targetSendButtonContainerOpen: Value;
   sendButtonContainerStyle: AnimatedViewStyle;
 
   constructor(props: Props) {
     super(props);
     this.state = {
       text: props.draft,
       textEdited: false,
       buttonsExpanded: true,
     };
 
     this.setUpActionIconAnimations();
     this.setUpSendIconAnimations();
   }
 
   setUpActionIconAnimations() {
     this.expandoButtonsOpen = new Value(1);
     this.targetExpandoButtonsOpen = new Value(1);
     const prevTargetExpandoButtonsOpen = new Value(1);
     const expandoButtonClock = new Clock();
     const expandoButtonsOpen = block([
       cond(neq(this.targetExpandoButtonsOpen, prevTargetExpandoButtonsOpen), [
         stopClock(expandoButtonClock),
         set(prevTargetExpandoButtonsOpen, this.targetExpandoButtonsOpen),
       ]),
       cond(
         neq(this.expandoButtonsOpen, this.targetExpandoButtonsOpen),
         set(
           this.expandoButtonsOpen,
           runTiming(
             expandoButtonClock,
             this.expandoButtonsOpen,
             this.targetExpandoButtonsOpen,
             true,
             expandoButtonsAnimationConfig,
           ),
         ),
       ),
       this.expandoButtonsOpen,
     ]);
 
     this.cameraRollIconStyle = {
       ...unboundStyles.cameraRollIcon,
       opacity: expandoButtonsOpen,
     };
     this.cameraIconStyle = {
       ...unboundStyles.cameraIcon,
       opacity: expandoButtonsOpen,
     };
 
     const expandoButtonsWidth = interpolateNode(expandoButtonsOpen, {
       inputRange: [0, 1],
       outputRange: [26, 66],
     });
     this.expandoButtonsStyle = {
       ...unboundStyles.expandoButtons,
       width: expandoButtonsWidth,
     };
 
     const expandOpacity = sub(1, expandoButtonsOpen);
     this.expandIconStyle = {
       ...unboundStyles.expandIcon,
       opacity: expandOpacity,
     };
   }
 
   setUpSendIconAnimations() {
     const initialSendButtonContainerOpen = trimMessage(this.props.draft)
       ? 1
       : 0;
     this.sendButtonContainerOpen = new Value(initialSendButtonContainerOpen);
     this.targetSendButtonContainerOpen = new Value(
       initialSendButtonContainerOpen,
     );
     const prevTargetSendButtonContainerOpen = new Value(
       initialSendButtonContainerOpen,
     );
     const sendButtonClock = new Clock();
     const sendButtonContainerOpen = block([
       cond(
         neq(
           this.targetSendButtonContainerOpen,
           prevTargetSendButtonContainerOpen,
         ),
         [
           stopClock(sendButtonClock),
           set(
             prevTargetSendButtonContainerOpen,
             this.targetSendButtonContainerOpen,
           ),
         ],
       ),
       cond(
         neq(this.sendButtonContainerOpen, this.targetSendButtonContainerOpen),
         set(
           this.sendButtonContainerOpen,
           runTiming(
             sendButtonClock,
             this.sendButtonContainerOpen,
             this.targetSendButtonContainerOpen,
             true,
             sendButtonAnimationConfig,
           ),
         ),
       ),
       this.sendButtonContainerOpen,
     ]);
 
     const sendButtonContainerWidth = interpolateNode(sendButtonContainerOpen, {
       inputRange: [0, 1],
       outputRange: [4, 38],
     });
     this.sendButtonContainerStyle = { width: sendButtonContainerWidth };
   }
 
   static mediaGalleryOpen(props: Props) {
     const { keyboardState } = props;
     return !!(keyboardState && keyboardState.mediaGalleryOpen);
   }
 
   static systemKeyboardShowing(props: Props) {
     const { keyboardState } = props;
     return !!(keyboardState && keyboardState.systemKeyboardShowing);
   }
 
   get systemKeyboardShowing() {
     return ChatInputBar.systemKeyboardShowing(this.props);
   }
 
   immediatelyShowSendButton() {
     this.sendButtonContainerOpen.setValue(1);
     this.targetSendButtonContainerOpen.setValue(1);
   }
 
   updateSendButton(currentText: string) {
     if (this.shouldShowTextInput) {
       this.targetSendButtonContainerOpen.setValue(currentText === '' ? 0 : 1);
     } else {
       this.setUpSendIconAnimations();
     }
   }
 
   componentDidMount() {
     if (this.props.isActive) {
       this.addReplyListener();
     }
   }
 
   componentWillUnmount() {
     if (this.props.isActive) {
       this.removeReplyListener();
     }
   }
 
   componentDidUpdate(prevProps: Props, prevState: State) {
     if (
       this.state.textEdited &&
       this.state.text &&
       this.props.threadInfo.id !== prevProps.threadInfo.id
     ) {
       this.props.moveDraft(
         draftKeyFromThreadID(prevProps.threadInfo.id),
         draftKeyFromThreadID(this.props.threadInfo.id),
       );
     } else if (!this.state.textEdited && this.props.draft !== prevProps.draft) {
       this.setState({ text: this.props.draft });
     }
     if (this.props.isActive && !prevProps.isActive) {
       this.addReplyListener();
     } else if (!this.props.isActive && prevProps.isActive) {
       this.removeReplyListener();
     }
 
     const currentText = trimMessage(this.state.text);
     const prevText = trimMessage(prevState.text);
 
     if (
       (currentText === '' && prevText !== '') ||
       (currentText !== '' && prevText === '')
     ) {
       this.updateSendButton(currentText);
     }
 
     const systemKeyboardIsShowing = ChatInputBar.systemKeyboardShowing(
       this.props,
     );
     const systemKeyboardWasShowing = ChatInputBar.systemKeyboardShowing(
       prevProps,
     );
     if (systemKeyboardIsShowing && !systemKeyboardWasShowing) {
       this.hideButtons();
     } else if (!systemKeyboardIsShowing && systemKeyboardWasShowing) {
       this.expandButtons();
     }
 
     const imageGalleryIsOpen = ChatInputBar.mediaGalleryOpen(this.props);
     const imageGalleryWasOpen = ChatInputBar.mediaGalleryOpen(prevProps);
     if (!imageGalleryIsOpen && imageGalleryWasOpen) {
       this.hideButtons();
     } else if (imageGalleryIsOpen && !imageGalleryWasOpen) {
       this.expandButtons();
       this.setIOSKeyboardHeight();
     }
   }
 
   addReplyListener() {
     invariant(
       this.props.inputState,
       'inputState should be set in addReplyListener',
     );
     this.props.inputState.addReplyListener(this.focusAndUpdateText);
   }
 
   removeReplyListener() {
     invariant(
       this.props.inputState,
       'inputState should be set in removeReplyListener',
     );
     this.props.inputState.removeReplyListener(this.focusAndUpdateText);
   }
 
   setIOSKeyboardHeight() {
     if (Platform.OS !== 'ios') {
       return;
     }
     const { textInput } = this;
     if (!textInput) {
       return;
     }
     const keyboardHeight = getKeyboardHeight();
     if (keyboardHeight === null || keyboardHeight === undefined) {
       return;
     }
     TextInputKeyboardMangerIOS.setKeyboardHeight(textInput, keyboardHeight);
   }
 
   get shouldShowTextInput(): boolean {
     if (threadHasPermission(this.props.threadInfo, threadPermissions.VOICED)) {
       return true;
     }
-    // If the thread is created by somebody else while the viewer is attempting to
-    // create it, the threadInfo might be modified in-place and won't list the
-    // viewer as a member, which will end up hiding the input. In this case, we will
-    // assume that our creation action will get translated into a join, and as long
+    // If the thread is created by somebody else while the viewer is attempting
+    // to create it, the threadInfo might be modified in-place
+    // and won't list the viewer as a member,
+    // which will end up hiding the input.
+    // In this case, we will assume that our creation action
+    // will get translated into a join, and as long
     // as members are voiced, we can show the input.
     if (!this.props.threadCreationInProgress) {
       return false;
     }
     return checkIfDefaultMembersAreVoiced(this.props.threadInfo);
   }
 
   render() {
     const isMember = viewerIsMember(this.props.threadInfo);
     const canJoin = threadHasPermission(
       this.props.threadInfo,
       threadPermissions.JOIN_THREAD,
     );
     let joinButton = null;
     if (!isMember && canJoin && !this.props.threadCreationInProgress) {
       let buttonContent;
       if (this.props.joinThreadLoadingStatus === 'loading') {
         buttonContent = (
           <ActivityIndicator
             size="small"
             color="white"
             style={this.props.styles.joinThreadLoadingIndicator}
           />
         );
       } else {
         buttonContent = (
           <View style={this.props.styles.joinButtonContent}>
             <SWMansionIcon
               name="plus"
               style={this.props.styles.joinButtonText}
             />
             <Text style={this.props.styles.joinButtonText}>Join Thread</Text>
           </View>
         );
       }
       joinButton = (
         <View style={this.props.styles.joinButtonContainer}>
           <Button
             onPress={this.onPressJoin}
             iosActiveOpacity={0.85}
             style={[
               this.props.styles.joinButton,
               { backgroundColor: `#${this.props.threadInfo.color}` },
             ]}
           >
             {buttonContent}
           </Button>
         </View>
       );
     }
 
     let content;
     const defaultMembersAreVoiced = checkIfDefaultMembersAreVoiced(
       this.props.threadInfo,
     );
     if (this.shouldShowTextInput) {
       content = this.renderInput();
     } else if (
       threadFrozenDueToViewerBlock(
         this.props.threadInfo,
         this.props.viewerID,
         this.props.userInfos,
       ) &&
       threadActualMembers(this.props.threadInfo.members).length === 2
     ) {
       content = (
         <Text style={this.props.styles.explanation}>
           You can&apos;t send messages to a user that you&apos;ve blocked.
         </Text>
       );
     } else if (isMember) {
       content = (
         <Text style={this.props.styles.explanation}>
           You don&apos;t have permission to send messages.
         </Text>
       );
     } else if (defaultMembersAreVoiced && canJoin) {
       content = null;
     } else {
       content = (
         <Text style={this.props.styles.explanation}>
           You don&apos;t have permission to send messages.
         </Text>
       );
     }
 
     const keyboardInputHost =
       Platform.OS === 'android' ? null : (
         <KeyboardInputHost textInputRef={this.textInput} />
       );
 
     return (
       <View
         style={this.props.styles.container}
         onLayout={this.props.onInputBarLayout}
       >
         {joinButton}
         {content}
         {keyboardInputHost}
       </View>
     );
   }
 
   renderInput() {
     const expandoButton = (
       <TouchableOpacity
         onPress={this.expandButtons}
         activeOpacity={0.4}
         style={this.props.styles.expandButton}
       >
         <AnimatedView style={this.expandIconStyle}>
           <SWMansionIcon
             name="chevron-right"
             size={22}
             color={`#${this.props.threadInfo.color}`}
           />
         </AnimatedView>
       </TouchableOpacity>
     );
     const threadColor = `#${this.props.threadInfo.color}`;
     return (
       <TouchableWithoutFeedback onPress={this.dismissKeyboard}>
         <View style={this.props.styles.inputContainer}>
           <AnimatedView style={this.expandoButtonsStyle}>
             <View style={this.props.styles.innerExpandoButtons}>
               {this.state.buttonsExpanded ? expandoButton : null}
               <TouchableOpacity
                 onPress={this.showMediaGallery}
                 activeOpacity={0.4}
               >
                 <AnimatedView style={this.cameraRollIconStyle}>
                   <SWMansionIcon
                     name="image-1"
                     size={24}
                     color={`#${this.props.threadInfo.color}`}
                   />
                 </AnimatedView>
               </TouchableOpacity>
               <TouchableOpacity
                 onPress={this.props.openCamera}
                 activeOpacity={0.4}
                 disabled={!this.state.buttonsExpanded}
               >
                 <AnimatedView style={this.cameraIconStyle}>
                   <SWMansionIcon
                     name="camera"
                     size={24}
                     color={`#${this.props.threadInfo.color}`}
                   />
                 </AnimatedView>
               </TouchableOpacity>
               {this.state.buttonsExpanded ? null : expandoButton}
             </View>
           </AnimatedView>
           <ClearableTextInput
             allowImagePasteForThreadID={this.props.threadInfo.id}
             value={this.state.text}
             onChangeText={this.updateText}
             placeholder="Send a message..."
             placeholderTextColor={this.props.colors.listInputButton}
             multiline={true}
             style={this.props.styles.textInput}
             textInputRef={this.textInputRef}
             ref={this.clearableTextInputRef}
             selectionColor={`#${this.props.threadInfo.color}`}
           />
           <AnimatedView style={this.sendButtonContainerStyle}>
             <TouchableOpacity
               onPress={this.onSend}
               activeOpacity={0.4}
               style={this.props.styles.sendButton}
               disabled={trimMessage(this.state.text) === ''}
             >
               <Icon
                 name="md-send"
                 size={25}
                 style={this.props.styles.sendIcon}
                 color={threadColor}
               />
             </TouchableOpacity>
           </AnimatedView>
         </View>
       </TouchableWithoutFeedback>
     );
   }
 
   textInputRef = (textInput: ?React.ElementRef<typeof TextInput>) => {
     this.textInput = textInput;
   };
 
   clearableTextInputRef = (clearableTextInput: ?ClearableTextInput) => {
     this.clearableTextInput = clearableTextInput;
   };
 
   updateText = (text: string) => {
     this.setState({ text, textEdited: true });
     this.saveDraft(text);
   };
 
   saveDraft = _throttle(text => {
     this.props.updateDraft({
       key: draftKeyFromThreadID(this.props.threadInfo.id),
       text,
     });
   }, 400);
 
   focusAndUpdateText = (text: string) => {
     const { textInput } = this;
     if (!textInput) {
       return;
     }
 
     const currentText = this.state.text;
     if (!currentText.startsWith(text)) {
       const prependedText = text.concat(currentText);
       this.updateText(prependedText);
       this.immediatelyShowSendButton();
       this.immediatelyHideButtons();
     }
 
     textInput.focus();
   };
 
   onSend = async () => {
     if (!trimMessage(this.state.text)) {
       return;
     }
     this.updateSendButton('');
 
     const { clearableTextInput } = this;
     invariant(
       clearableTextInput,
       'clearableTextInput should be sent in onSend',
     );
     let text = await clearableTextInput.getValueAndReset();
     text = trimMessage(text);
     if (!text) {
       return;
     }
 
     const localID = `${localIDPrefix}${this.props.nextLocalID}`;
     const creatorID = this.props.viewerID;
     invariant(creatorID, 'should have viewer ID in order to send a message');
     invariant(
       this.props.inputState,
       'inputState should be set in ChatInputBar.onSend',
     );
 
     this.props.inputState.sendTextMessage(
       {
         type: messageTypes.TEXT,
         localID,
         threadID: this.props.threadInfo.id,
         text,
         creatorID,
         time: Date.now(),
       },
       this.props.threadInfo,
     );
   };
 
   onPressJoin = () => {
     this.props.dispatchActionPromise(joinThreadActionTypes, this.joinAction());
   };
 
   async joinAction() {
     const query = this.props.calendarQuery();
     return await this.props.joinThread({
       threadID: this.props.threadInfo.id,
       calendarQuery: {
         startDate: query.startDate,
         endDate: query.endDate,
         filters: [
           ...query.filters,
           { type: 'threads', threadIDs: [this.props.threadInfo.id] },
         ],
       },
     });
   }
 
   expandButtons = () => {
     if (this.state.buttonsExpanded) {
       return;
     }
     this.targetExpandoButtonsOpen.setValue(1);
     this.setState({ buttonsExpanded: true });
   };
 
   hideButtons() {
     if (
       ChatInputBar.mediaGalleryOpen(this.props) ||
       !this.systemKeyboardShowing ||
       !this.state.buttonsExpanded
     ) {
       return;
     }
     this.targetExpandoButtonsOpen.setValue(0);
     this.setState({ buttonsExpanded: false });
   }
 
   immediatelyHideButtons() {
     this.expandoButtonsOpen.setValue(0);
     this.targetExpandoButtonsOpen.setValue(0);
     this.setState({ buttonsExpanded: false });
   }
 
   showMediaGallery = () => {
     const { keyboardState } = this.props;
     invariant(keyboardState, 'keyboardState should be initialized');
     keyboardState.showMediaGallery(this.props.threadInfo);
   };
 
   dismissKeyboard = () => {
     const { keyboardState } = this.props;
     keyboardState && keyboardState.dismissKeyboard();
   };
 }
 
 const unboundStyles = {
   cameraIcon: {
     paddingBottom: Platform.OS === 'android' ? 12 : 11,
     paddingRight: 4,
   },
   cameraRollIcon: {
     paddingBottom: Platform.OS === 'android' ? 12 : 11,
     paddingRight: 6,
   },
   container: {
     backgroundColor: 'listBackground',
   },
   expandButton: {
     bottom: 0,
     position: 'absolute',
     right: 0,
   },
   expandIcon: {
     paddingBottom: Platform.OS === 'android' ? 13 : 11,
   },
   expandoButtons: {
     alignSelf: 'flex-end',
   },
   explanation: {
     color: 'listBackgroundSecondaryLabel',
     paddingBottom: 4,
     paddingTop: 1,
     textAlign: 'center',
   },
   innerExpandoButtons: {
     alignItems: 'flex-end',
     alignSelf: 'flex-end',
     flexDirection: 'row',
   },
   inputContainer: {
     flexDirection: 'row',
   },
   joinButton: {
     borderRadius: 8,
     flex: 1,
     justifyContent: 'center',
     marginHorizontal: 12,
     marginVertical: 3,
   },
   joinButtonContainer: {
     flexDirection: 'row',
     height: 48,
     marginBottom: 8,
   },
   joinButtonContent: {
     flexDirection: 'row',
     justifyContent: 'center',
     alignItems: 'center',
   },
   joinButtonText: {
     color: 'listForegroundLabel',
     fontSize: 20,
     marginHorizontal: 4,
   },
   joinThreadLoadingIndicator: {
     paddingVertical: 2,
   },
   sendButton: {
     position: 'absolute',
     bottom: 4,
     left: 0,
   },
   sendIcon: {
     paddingLeft: 9,
     paddingRight: 8,
     paddingVertical: 6,
   },
   textInput: {
     backgroundColor: 'listInputBackground',
     borderRadius: 12,
     color: 'listForegroundLabel',
     fontSize: 16,
     marginLeft: 4,
     marginRight: 4,
     marginTop: 6,
     marginBottom: 8,
     maxHeight: 250,
     paddingHorizontal: 10,
     paddingVertical: 5,
   },
 };
 
 const joinThreadLoadingStatusSelector = createLoadingStatusSelector(
   joinThreadActionTypes,
 );
 const createThreadLoadingStatusSelector = createLoadingStatusSelector(
   newThreadActionTypes,
 );
 
 type ConnectedChatInputBarBaseProps = {
   ...BaseProps,
   +onInputBarLayout?: (event: LayoutEvent) => mixed,
   +openCamera: () => mixed,
 };
 function ConnectedChatInputBarBase(props: ConnectedChatInputBarBaseProps) {
   const navContext = React.useContext(NavContext);
   const keyboardState = React.useContext(KeyboardContext);
   const inputState = React.useContext(InputStateContext);
 
   const viewerID = useSelector(
     state => state.currentUserInfo && state.currentUserInfo.id,
   );
   const { draft, updateDraft, moveDraft } = useDrafts(props.threadInfo.id);
   const joinThreadLoadingStatus = useSelector(joinThreadLoadingStatusSelector);
   const createThreadLoadingStatus = useSelector(
     createThreadLoadingStatusSelector,
   );
   const threadCreationInProgress = createThreadLoadingStatus === 'loading';
   const calendarQuery = useSelector(state =>
     nonThreadCalendarQuery({
       redux: state,
       navContext,
     }),
   );
   const nextLocalID = useSelector(state => state.nextLocalID);
   const userInfos = useSelector(state => state.userStore.userInfos);
 
   const styles = useStyles(unboundStyles);
   const colors = useColors();
 
   const isActive = React.useMemo(
     () => props.threadInfo.id === activeThreadSelector(navContext),
     [props.threadInfo.id, navContext],
   );
 
   const dispatch = useDispatch();
   const dispatchActionPromise = useDispatchActionPromise();
   const callJoinThread = useServerCall(joinThread);
 
   return (
     <ChatInputBar
       {...props}
       viewerID={viewerID}
       draft={draft}
       updateDraft={updateDraft}
       moveDraft={moveDraft}
       joinThreadLoadingStatus={joinThreadLoadingStatus}
       threadCreationInProgress={threadCreationInProgress}
       calendarQuery={calendarQuery}
       nextLocalID={nextLocalID}
       userInfos={userInfos}
       colors={colors}
       styles={styles}
       isActive={isActive}
       keyboardState={keyboardState}
       dispatch={dispatch}
       dispatchActionPromise={dispatchActionPromise}
       joinThread={callJoinThread}
       inputState={inputState}
     />
   );
 }
 
 type DummyChatInputBarProps = {
   ...BaseProps,
   +onHeightMeasured: (height: number) => mixed,
 };
 const noop = () => {};
 function DummyChatInputBar(props: DummyChatInputBarProps): React.Node {
   const { onHeightMeasured, ...restProps } = props;
   const onInputBarLayout = React.useCallback(
     (event: LayoutEvent) => {
       const { height } = event.nativeEvent.layout;
       onHeightMeasured(height);
     },
     [onHeightMeasured],
   );
   return (
     <View pointerEvents="none">
       <ConnectedChatInputBarBase
         {...restProps}
         onInputBarLayout={onInputBarLayout}
         openCamera={noop}
       />
     </View>
   );
 }
 
 type ChatInputBarProps = {
   ...BaseProps,
   +navigation: ChatNavigationProp<'MessageList'>,
   +route: NavigationRoute<'MessageList'>,
 };
 const ConnectedChatInputBar: React.ComponentType<ChatInputBarProps> = React.memo<ChatInputBarProps>(
   function ConnectedChatInputBar(props: ChatInputBarProps) {
     const { navigation, route, ...restProps } = props;
     const keyboardState = React.useContext(KeyboardContext);
 
     const { threadInfo } = props;
     const imagePastedCallback = React.useCallback(
       imagePastedEvent => {
         if (threadInfo.id !== imagePastedEvent.threadID) {
           return;
         }
         const pastedImage: PhotoPaste = {
           step: 'photo_paste',
           dimensions: {
             height: imagePastedEvent.height,
             width: imagePastedEvent.width,
           },
           filename: imagePastedEvent.fileName,
           uri: 'file://' + imagePastedEvent.filePath,
           selectTime: 0,
           sendTime: 0,
           retries: 0,
         };
         navigation.navigate({
           name: ImagePasteModalRouteName,
           params: {
             imagePasteStagingInfo: pastedImage,
             thread: threadInfo,
           },
         });
       },
       [navigation, threadInfo],
     );
 
     React.useEffect(() => {
       const imagePasteListener = NativeAppEventEmitter.addListener(
         'imagePasted',
         imagePastedCallback,
       );
       return () => imagePasteListener.remove();
     }, [imagePastedCallback]);
 
     const chatContext = React.useContext(ChatContext);
     invariant(chatContext, 'should be set');
     const { setChatInputBarHeight, deleteChatInputBarHeight } = chatContext;
     const onInputBarLayout = React.useCallback(
       (event: LayoutEvent) => {
         const { height } = event.nativeEvent.layout;
         setChatInputBarHeight(threadInfo.id, height);
       },
       [threadInfo.id, setChatInputBarHeight],
     );
 
     React.useEffect(() => {
       return () => {
         deleteChatInputBarHeight(threadInfo.id);
       };
     }, [deleteChatInputBarHeight, threadInfo.id]);
 
     const openCamera = React.useCallback(() => {
       keyboardState?.dismissKeyboard();
       navigation.navigate({
         name: CameraModalRouteName,
         params: {
           presentedFrom: route.key,
           thread: threadInfo,
         },
       });
     }, [keyboardState, navigation, route.key, threadInfo]);
 
     return (
       <ConnectedChatInputBarBase
         {...restProps}
         onInputBarLayout={onInputBarLayout}
         openCamera={openCamera}
       />
     );
   },
 );
 
 export { ConnectedChatInputBar as ChatInputBar, DummyChatInputBar };
diff --git a/native/chat/chat-thread-list.react.js b/native/chat/chat-thread-list.react.js
index 8384e610a..7697894b7 100644
--- a/native/chat/chat-thread-list.react.js
+++ b/native/chat/chat-thread-list.react.js
@@ -1,647 +1,647 @@
 // @flow
 
 import invariant from 'invariant';
 import _sum from 'lodash/fp/sum';
 import * as React from 'react';
 import {
   View,
   FlatList,
   Platform,
   TextInput,
   TouchableWithoutFeedback,
   BackHandler,
 } from 'react-native';
 import { FloatingAction } from 'react-native-floating-action';
 import Animated from 'react-native-reanimated';
 import IonIcon from 'react-native-vector-icons/Ionicons';
 import { createSelector } from 'reselect';
 
 import { searchUsers } from 'lib/actions/user-actions';
 import {
   type ChatThreadItem,
   useFlattenedChatListData,
 } from 'lib/selectors/chat-selectors';
 import { threadSearchIndex as threadSearchIndexSelector } from 'lib/selectors/nav-selectors';
 import { usersWithPersonalThreadSelector } from 'lib/selectors/user-selectors';
 import SearchIndex from 'lib/shared/search-index';
 import {
   createPendingThread,
   getThreadListSearchResults,
 } from 'lib/shared/thread-utils';
 import type { UserSearchResult } from 'lib/types/search-types';
 import type { ThreadInfo } from 'lib/types/thread-types';
 import { threadTypes } from 'lib/types/thread-types';
 import type { GlobalAccountUserInfo, UserInfo } from 'lib/types/user-types';
 import { useServerCall } from 'lib/utils/action-utils';
 
 import Button from '../components/button.react';
 import Search from '../components/search.react';
 import type { TabNavigationProp } from '../navigation/app-navigator.react';
 import {
   SidebarListModalRouteName,
   HomeChatThreadListRouteName,
   BackgroundChatThreadListRouteName,
   type NavigationRoute,
 } from '../navigation/route-names';
 import { useSelector } from '../redux/redux-utils';
 import {
   type IndicatorStyle,
   indicatorStyleSelector,
   useStyles,
 } from '../themes/colors';
 import type { ScrollEvent } from '../types/react-native';
 import { AnimatedView, type AnimatedStyleObj } from '../types/styles';
 import { animateTowards } from '../utils/animation-utils';
 import {
   ChatThreadListItem,
   chatThreadListItemHeight,
   spacerHeight,
 } from './chat-thread-list-item.react';
 import type {
   ChatTopTabsNavigationProp,
   ChatNavigationProp,
 } from './chat.react';
 import {
   type MessageListParams,
   useNavigateToThread,
 } from './message-list-types';
 import { sidebarHeight } from './sidebar-item.react';
 
 const floatingActions = [
   {
     text: 'Compose',
     icon: <IonIcon name="md-create" size={24} color="#FFFFFF" />,
     name: 'compose',
     position: 1,
   },
 ];
 
 /* eslint-disable import/no-named-as-default-member */
 const { Value, Node, interpolateNode } = Animated;
 /* eslint-enable import/no-named-as-default-member */
 
 type Item =
   | ChatThreadItem
   | { +type: 'search', +searchText: string }
   | { +type: 'empty', +emptyItem: React.ComponentType<{}> };
 
 type BaseProps = {
   +navigation:
     | ChatTopTabsNavigationProp<'HomeChatThreadList'>
     | ChatTopTabsNavigationProp<'BackgroundChatThreadList'>,
   +route:
     | NavigationRoute<'HomeChatThreadList'>
     | NavigationRoute<'BackgroundChatThreadList'>,
   +filterThreads: (threadItem: ThreadInfo) => boolean,
   +emptyItem?: React.ComponentType<{}>,
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +chatListData: $ReadOnlyArray<ChatThreadItem>,
   +viewerID: ?string,
   +threadSearchIndex: SearchIndex,
   +styles: typeof unboundStyles,
   +indicatorStyle: IndicatorStyle,
   +usersWithPersonalThread: $ReadOnlySet<string>,
   +navigateToThread: (params: MessageListParams) => void,
   // async functions that hit server APIs
   +searchUsers: (usernamePrefix: string) => Promise<UserSearchResult>,
 };
 type SearchStatus = 'inactive' | 'activating' | 'active';
 type State = {
   +searchStatus: SearchStatus,
   +searchText: string,
   +threadsSearchResults: Set<string>,
   +usersSearchResults: $ReadOnlyArray<GlobalAccountUserInfo>,
   +openedSwipeableId: string,
   +numItemsToDisplay: number,
 };
 type PropsAndState = { ...Props, ...State };
 class ChatThreadList extends React.PureComponent<Props, State> {
   state: State = {
     searchStatus: 'inactive',
     searchText: '',
     threadsSearchResults: new Set(),
     usersSearchResults: [],
     openedSwipeableId: '',
     numItemsToDisplay: 25,
   };
   searchInput: ?React.ElementRef<typeof TextInput>;
   flatList: ?FlatList<Item>;
   scrollPos = 0;
   clearNavigationBlurListener: ?() => mixed;
   searchCancelButtonOpen: Value = new Value(0);
   searchCancelButtonProgress: Node;
   searchCancelButtonOffset: Node;
 
   constructor(props: Props) {
     super(props);
     this.searchCancelButtonProgress = animateTowards(
       this.searchCancelButtonOpen,
       100,
     );
     this.searchCancelButtonOffset = interpolateNode(
       this.searchCancelButtonProgress,
       { inputRange: [0, 1], outputRange: [0, 56] },
     );
   }
 
   componentDidMount() {
     this.clearNavigationBlurListener = this.props.navigation.addListener(
       'blur',
       () => {
         this.setState({ numItemsToDisplay: 25 });
       },
     );
 
     const chatNavigation: ?ChatNavigationProp<
       'ChatThreadList',
     > = this.props.navigation.dangerouslyGetParent();
     invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
     const tabNavigation: ?TabNavigationProp<
       'Chat',
     > = chatNavigation.dangerouslyGetParent();
     invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
     tabNavigation.addListener('tabPress', this.onTabPress);
 
     BackHandler.addEventListener('hardwareBackPress', this.hardwareBack);
   }
 
   componentWillUnmount() {
     this.clearNavigationBlurListener && this.clearNavigationBlurListener();
 
     const chatNavigation: ?ChatNavigationProp<
       'ChatThreadList',
     > = this.props.navigation.dangerouslyGetParent();
     invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
     const tabNavigation: ?TabNavigationProp<
       'Chat',
     > = chatNavigation.dangerouslyGetParent();
     invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
     tabNavigation.removeListener('tabPress', this.onTabPress);
 
     BackHandler.removeEventListener('hardwareBackPress', this.hardwareBack);
   }
 
   hardwareBack = () => {
     if (!this.props.navigation.isFocused()) {
       return false;
     }
 
     const { searchStatus } = this.state;
     const isActiveOrActivating =
       searchStatus === 'active' || searchStatus === 'activating';
     if (!isActiveOrActivating) {
       return false;
     }
 
     this.onSearchCancel();
     return true;
   };
 
   componentDidUpdate(prevProps: Props, prevState: State) {
     const { searchStatus } = this.state;
     const prevSearchStatus = prevState.searchStatus;
 
     const isActiveOrActivating =
       searchStatus === 'active' || searchStatus === 'activating';
     const wasActiveOrActivating =
       prevSearchStatus === 'active' || prevSearchStatus === 'activating';
     if (isActiveOrActivating && !wasActiveOrActivating) {
       this.searchCancelButtonOpen.setValue(1);
     } else if (!isActiveOrActivating && wasActiveOrActivating) {
       this.searchCancelButtonOpen.setValue(0);
     }
 
     const { flatList } = this;
     if (!flatList) {
       return;
     }
 
     if (this.state.searchText !== prevState.searchText) {
       flatList.scrollToOffset({ offset: 0, animated: false });
       return;
     }
 
     if (searchStatus === 'activating' && prevSearchStatus === 'inactive') {
       flatList.scrollToOffset({ offset: 0, animated: true });
     }
   }
 
   onTabPress = () => {
     if (!this.props.navigation.isFocused()) {
       return;
     }
     if (this.scrollPos > 0 && this.flatList) {
       this.flatList.scrollToOffset({ offset: 0, animated: true });
     } else if (this.props.route.name === BackgroundChatThreadListRouteName) {
       this.props.navigation.navigate({ name: HomeChatThreadListRouteName });
     }
   };
 
   onSearchFocus = () => {
     if (this.state.searchStatus !== 'inactive') {
       return;
     }
     if (this.scrollPos === 0) {
       this.setState({ searchStatus: 'active' });
     } else {
       this.setState({ searchStatus: 'activating' });
     }
   };
 
   clearSearch() {
     const { flatList } = this;
     flatList && flatList.scrollToOffset({ offset: 0, animated: false });
     this.setState({ searchStatus: 'inactive' });
   }
 
   onSearchBlur = () => {
     if (this.state.searchStatus !== 'active') {
       return;
     }
     this.clearSearch();
   };
 
   onSearchCancel = () => {
     this.onChangeSearchText('');
     this.clearSearch();
   };
 
   renderSearch(additionalProps?: $Shape<React.ElementConfig<typeof Search>>) {
     const animatedSearchBoxStyle: AnimatedStyleObj = {
       marginRight: this.searchCancelButtonOffset,
     };
     const searchBoxStyle = [
       this.props.styles.searchBox,
       animatedSearchBoxStyle,
     ];
     const buttonStyle = [
       this.props.styles.cancelSearchButtonText,
       { opacity: this.searchCancelButtonProgress },
     ];
     return (
       <View style={this.props.styles.searchContainer}>
         <Button
           onPress={this.onSearchCancel}
           disabled={this.state.searchStatus !== 'active'}
           style={this.props.styles.cancelSearchButton}
         >
           {/* eslint-disable react-native/no-raw-text */}
           <Animated.Text style={buttonStyle}>Cancel</Animated.Text>
           {/* eslint-enable react-native/no-raw-text */}
         </Button>
         <AnimatedView style={searchBoxStyle}>
           <Search
             searchText={this.state.searchText}
             onChangeText={this.onChangeSearchText}
             containerStyle={this.props.styles.search}
             onBlur={this.onSearchBlur}
             placeholder="Search threads"
             ref={this.searchInputRef}
             {...additionalProps}
           />
         </AnimatedView>
       </View>
     );
   }
 
   searchInputRef = (searchInput: ?React.ElementRef<typeof TextInput>) => {
     this.searchInput = searchInput;
   };
 
   renderItem = (row: { item: Item, ... }) => {
     const item = row.item;
     if (item.type === 'search') {
       return (
         <TouchableWithoutFeedback onPress={this.onSearchFocus}>
           {this.renderSearch({ active: false })}
         </TouchableWithoutFeedback>
       );
     }
     if (item.type === 'empty') {
       const EmptyItem = item.emptyItem;
       return <EmptyItem />;
     }
     return (
       <ChatThreadListItem
         data={item}
         onPressItem={this.onPressItem}
         onPressSeeMoreSidebars={this.onPressSeeMoreSidebars}
         onSwipeableWillOpen={this.onSwipeableWillOpen}
         currentlyOpenedSwipeableId={this.state.openedSwipeableId}
       />
     );
   };
 
   static keyExtractor = (item: Item) => {
     if (item.type === 'chatThreadItem') {
       return item.threadInfo.id;
     } else if (item.type === 'empty') {
       return 'empty';
     } else {
       return 'search';
     }
   };
 
   static getItemLayout = (data: ?$ReadOnlyArray<Item>, index: number) => {
     if (!data) {
       return { length: 0, offset: 0, index };
     }
     const offset = ChatThreadList.heightOfItems(
       data.filter((_, i) => i < index),
     );
     const item = data[index];
     const length = item ? ChatThreadList.itemHeight(item) : 0;
     return { length, offset, index };
   };
 
   static itemHeight = (item: Item) => {
     if (item.type === 'search') {
       return Platform.OS === 'ios' ? 54.5 : 55;
     }
 
     // itemHeight for emptyItem might be wrong because of line wrapping
-    // but we don't care because we'll only ever be rendering this item by itself
-    // and it should always be on-screen
+    // but we don't care because we'll only ever be rendering this item
+    // by itself and it should always be on-screen
     if (item.type === 'empty') {
       return 123;
     }
 
     let height = chatThreadListItemHeight;
     height += item.sidebars.length * sidebarHeight;
     if (item.sidebars.length > 0) {
       height += spacerHeight;
     }
     return height;
   };
 
   static heightOfItems(data: $ReadOnlyArray<Item>): number {
     return _sum(data.map(ChatThreadList.itemHeight));
   }
 
   listDataSelector = createSelector(
     (propsAndState: PropsAndState) => propsAndState.chatListData,
     (propsAndState: PropsAndState) => propsAndState.searchStatus,
     (propsAndState: PropsAndState) => propsAndState.searchText,
     (propsAndState: PropsAndState) => propsAndState.threadsSearchResults,
     (propsAndState: PropsAndState) => propsAndState.emptyItem,
     (propsAndState: PropsAndState) => propsAndState.usersSearchResults,
     (propsAndState: PropsAndState) => propsAndState.filterThreads,
     (propsAndState: PropsAndState) => propsAndState.viewerID,
     (
       reduxChatListData: $ReadOnlyArray<ChatThreadItem>,
       searchStatus: SearchStatus,
       searchText: string,
       threadsSearchResults: Set<string>,
       emptyItem?: React.ComponentType<{}>,
       usersSearchResults: $ReadOnlyArray<GlobalAccountUserInfo>,
       filterThreads: ThreadInfo => boolean,
       viewerID: ?string,
     ): $ReadOnlyArray<Item> => {
       const chatThreadItems = getThreadListSearchResults(
         reduxChatListData,
         searchText,
         filterThreads,
         threadsSearchResults,
         usersSearchResults,
         viewerID,
       );
 
       const chatItems: Item[] = [...chatThreadItems];
 
       if (emptyItem && chatItems.length === 0) {
         chatItems.push({ type: 'empty', emptyItem });
       }
 
       if (searchStatus === 'inactive' || searchStatus === 'activating') {
         chatItems.unshift({ type: 'search', searchText });
       }
 
       return chatItems;
     },
   );
 
   partialListDataSelector = createSelector(
     this.listDataSelector,
     (propsAndState: PropsAndState) => propsAndState.numItemsToDisplay,
     (items: $ReadOnlyArray<Item>, numItemsToDisplay: number) =>
       items.slice(0, numItemsToDisplay),
   );
 
   get fullListData() {
     return this.listDataSelector({ ...this.props, ...this.state });
   }
 
   get listData() {
     return this.partialListDataSelector({ ...this.props, ...this.state });
   }
 
   onEndReached = () => {
     if (this.listData.length === this.fullListData.length) {
       return;
     }
     this.setState(prevState => ({
       numItemsToDisplay: prevState.numItemsToDisplay + 25,
     }));
   };
 
   render() {
     let floatingAction;
     if (Platform.OS === 'android') {
       floatingAction = (
         <FloatingAction
           actions={floatingActions}
           overrideWithAction
           onPressItem={this.composeThread}
           color="#7e57c2"
         />
       );
     }
     let fixedSearch;
     const { searchStatus } = this.state;
     if (searchStatus === 'active') {
       fixedSearch = this.renderSearch({ autoFocus: true });
     }
     const scrollEnabled =
       searchStatus === 'inactive' || searchStatus === 'active';
     // this.props.viewerID is in extraData since it's used by MessagePreview
     // within ChatThreadListItem
     return (
       <View style={this.props.styles.container}>
         {fixedSearch}
         <FlatList
           data={this.listData}
           renderItem={this.renderItem}
           keyExtractor={ChatThreadList.keyExtractor}
           getItemLayout={ChatThreadList.getItemLayout}
           extraData={`${this.props.viewerID || ''} ${
             this.state.openedSwipeableId
           }`}
           initialNumToRender={11}
           keyboardShouldPersistTaps="handled"
           onScroll={this.onScroll}
           style={this.props.styles.flatList}
           indicatorStyle={this.props.indicatorStyle}
           scrollEnabled={scrollEnabled}
           onEndReached={this.onEndReached}
           onEndReachedThreshold={1}
           ref={this.flatListRef}
         />
         {floatingAction}
       </View>
     );
   }
 
   flatListRef = (flatList: ?FlatList<Item>) => {
     this.flatList = flatList;
   };
 
   onScroll = (event: ScrollEvent) => {
     const oldScrollPos = this.scrollPos;
     this.scrollPos = event.nativeEvent.contentOffset.y;
     if (this.scrollPos !== 0 || oldScrollPos === 0) {
       return;
     }
     if (this.state.searchStatus === 'activating') {
       this.setState({ searchStatus: 'active' });
     }
   };
 
   async searchUsers(usernamePrefix: string) {
     if (usernamePrefix.length === 0) {
       return [];
     }
 
     const { userInfos } = await this.props.searchUsers(usernamePrefix);
     return userInfos.filter(
       info =>
         !this.props.usersWithPersonalThread.has(info.id) &&
         info.id !== this.props.viewerID,
     );
   }
 
   onChangeSearchText = async (searchText: string) => {
     const results = this.props.threadSearchIndex.getSearchResults(searchText);
     this.setState({
       searchText,
       threadsSearchResults: new Set(results),
       numItemsToDisplay: 25,
     });
     const usersSearchResults = await this.searchUsers(searchText);
     this.setState({ usersSearchResults });
   };
 
   onPressItem = (
     threadInfo: ThreadInfo,
     pendingPersonalThreadUserInfo?: UserInfo,
   ) => {
     this.onChangeSearchText('');
     if (this.searchInput) {
       this.searchInput.blur();
     }
     this.props.navigateToThread({ threadInfo, pendingPersonalThreadUserInfo });
   };
 
   onPressSeeMoreSidebars = (threadInfo: ThreadInfo) => {
     this.onChangeSearchText('');
     if (this.searchInput) {
       this.searchInput.blur();
     }
     this.props.navigation.navigate({
       name: SidebarListModalRouteName,
       params: { threadInfo },
     });
   };
 
   onSwipeableWillOpen = (threadInfo: ThreadInfo) => {
     this.setState(state => ({ ...state, openedSwipeableId: threadInfo.id }));
   };
 
   composeThread = () => {
     if (!this.props.viewerID) {
       return;
     }
     const threadInfo = createPendingThread({
       viewerID: this.props.viewerID,
       threadType: threadTypes.PRIVATE,
     });
     this.props.navigateToThread({ threadInfo, searching: true });
   };
 }
 
 const unboundStyles = {
   icon: {
     fontSize: 28,
   },
   container: {
     flex: 1,
   },
   searchContainer: {
     backgroundColor: 'listBackground',
     display: 'flex',
     justifyContent: 'center',
     flexDirection: 'row',
   },
   searchBox: {
     flex: 1,
   },
   search: {
     marginBottom: 8,
     marginHorizontal: 18,
     marginTop: 16,
   },
   cancelSearchButton: {
     position: 'absolute',
     right: 0,
     top: 0,
     bottom: 0,
     display: 'flex',
     justifyContent: 'center',
   },
   cancelSearchButtonText: {
     color: 'link',
     fontSize: 16,
     paddingHorizontal: 16,
     paddingTop: 8,
   },
   flatList: {
     flex: 1,
     backgroundColor: 'listBackground',
   },
 };
 
 const ConnectedChatThreadList: React.ComponentType<BaseProps> = React.memo<BaseProps>(
   function ConnectedChatThreadList(props: BaseProps) {
     const boundChatListData = useFlattenedChatListData();
     const viewerID = useSelector(
       state => state.currentUserInfo && state.currentUserInfo.id,
     );
     const threadSearchIndex = useSelector(threadSearchIndexSelector);
     const styles = useStyles(unboundStyles);
     const indicatorStyle = useSelector(indicatorStyleSelector);
     const callSearchUsers = useServerCall(searchUsers);
     const usersWithPersonalThread = useSelector(
       usersWithPersonalThreadSelector,
     );
 
     const navigateToThread = useNavigateToThread();
 
     return (
       <ChatThreadList
         {...props}
         chatListData={boundChatListData}
         viewerID={viewerID}
         threadSearchIndex={threadSearchIndex}
         styles={styles}
         indicatorStyle={indicatorStyle}
         searchUsers={callSearchUsers}
         usersWithPersonalThread={usersWithPersonalThread}
         navigateToThread={navigateToThread}
       />
     );
   },
 );
 
 export default ConnectedChatThreadList;
diff --git a/native/navigation/overlay-navigator.react.js b/native/navigation/overlay-navigator.react.js
index 1c168c970..8aefcef2b 100644
--- a/native/navigation/overlay-navigator.react.js
+++ b/native/navigation/overlay-navigator.react.js
@@ -1,481 +1,483 @@
 // @flow
 
 import type {
   StackNavigationState,
   NavigatorPropsBase,
   ExtraNavigatorPropsBase,
   CreateNavigator,
 } from '@react-navigation/native';
 import {
   useNavigationBuilder,
   createNavigatorFactory,
   NavigationHelpersContext,
 } from '@react-navigation/native';
 import { TransitionPresets } from '@react-navigation/stack';
 import invariant from 'invariant';
 import * as React from 'react';
 import { View, StyleSheet } from 'react-native';
 import Animated, { EasingNode } from 'react-native-reanimated';
 
 import { values } from 'lib/utils/objects';
 
 import { isMessageTooltipKey } from '../chat/utils';
 import { OverlayContext } from './overlay-context';
 import OverlayRouter from './overlay-router';
 import type { OverlayRouterNavigationProp } from './overlay-router';
 import { scrollBlockingModals, TabNavigatorRouteName } from './route-names';
 
 /* eslint-disable import/no-named-as-default-member */
 const { Value, timing, cond, call, lessOrEq, block } = Animated;
 /* eslint-enable import/no-named-as-default-member */
 
 type Props = $Exact<NavigatorPropsBase<{}, OverlayRouterNavigationProp<>>>;
 const OverlayNavigator = React.memo<Props>(
   ({ initialRouteName, children, screenOptions }: Props) => {
     const { state, descriptors, navigation } = useNavigationBuilder(
       OverlayRouter,
       {
         children,
         screenOptions,
         initialRouteName,
       },
     );
     const curIndex = state.index;
 
     const positionRefs = React.useRef({});
     const positions = positionRefs.current;
 
     const firstRenderRef = React.useRef(true);
     React.useEffect(() => {
       firstRenderRef.current = false;
     }, [firstRenderRef]);
     const firstRender = firstRenderRef.current;
 
     const { routes } = state;
     const scenes = React.useMemo(
       () =>
         routes.map((route, routeIndex) => {
           const descriptor = descriptors[route.key];
           invariant(
             descriptor,
             `OverlayNavigator could not find descriptor for ${route.key}`,
           );
           if (!positions[route.key]) {
             positions[route.key] = new Value(firstRender ? 1 : 0);
           }
           return {
             route,
             descriptor,
             context: {
               position: positions[route.key],
               isDismissing: curIndex < routeIndex,
             },
             ordering: {
               routeIndex,
             },
           };
         }),
       // We don't include descriptors here because they can change on every
       // render. We know that they should only substantially change if something
       // about the underlying route has changed
       // eslint-disable-next-line react-hooks/exhaustive-deps
       [positions, routes, curIndex],
     );
 
     const prevScenesRef = React.useRef();
     const prevScenes = prevScenesRef.current;
 
     const visibleOverlayEntryForNewScene = scene => {
       const { route } = scene;
       if (route.name === TabNavigatorRouteName) {
         // We don't consider the TabNavigator at the bottom to be an overlay
         return undefined;
       }
       const presentedFrom = route.params
         ? route.params.presentedFrom
         : undefined;
       return {
         routeKey: route.key,
         routeName: route.name,
         position: positions[route.key],
         presentedFrom,
       };
     };
 
     const visibleOverlaysRef = React.useRef();
     if (!visibleOverlaysRef.current) {
       visibleOverlaysRef.current = scenes
         .map(visibleOverlayEntryForNewScene)
         .filter(Boolean);
     }
     let visibleOverlays = visibleOverlaysRef.current;
 
     // The scrollBlockingModalStatus state gets incorporated into the
     // OverlayContext, but it's global to the navigator rather than local to
     // each screen. Note that we also include the setter in OverlayContext. We
     // do this so that screens can freeze ScrollViews as quickly as possible to
     // avoid drags after onLongPress is triggered
     const getScrollBlockingModalStatus = data => {
       let status = 'closed';
       for (const scene of data) {
         if (!scrollBlockingModals.includes(scene.route.name)) {
           continue;
         }
         if (!scene.context.isDismissing) {
           status = 'open';
           break;
         }
         status = 'closing';
       }
       return status;
     };
     const [
       scrollBlockingModalStatus,
       setScrollBlockingModalStatus,
     ] = React.useState(() => getScrollBlockingModalStatus(scenes));
     const sceneDataForNewScene = scene => ({
       ...scene,
       context: {
         ...scene.context,
         visibleOverlays,
         scrollBlockingModalStatus,
         setScrollBlockingModalStatus,
       },
       ordering: {
         ...scene.ordering,
         creationTime: Date.now(),
       },
       listeners: [],
     });
 
     // We track two previous states of scrollBlockingModalStatus via refs. We
     // need two because we expose setScrollBlockingModalStatus to screens. We
     // track the previous sceneData-determined value separately so that we only
     // overwrite the screen-determined value with the sceneData-determined value
     // when the latter actually changes
     const prevScrollBlockingModalStatusRef = React.useRef(
       scrollBlockingModalStatus,
     );
     const prevScrollBlockingModalStatus =
       prevScrollBlockingModalStatusRef.current;
     const prevScrollBlockingModalStatusFromSceneDataRef = React.useRef(
       scrollBlockingModalStatus,
     );
     const prevScrollBlockingModalStatusFromSceneData =
       prevScrollBlockingModalStatusFromSceneDataRef.current;
 
     // We need state to continue rendering screens while they are dismissing
     const [sceneData, setSceneData] = React.useState(() => {
       const newSceneData = {};
       for (const scene of scenes) {
         const { key } = scene.route;
         newSceneData[key] = sceneDataForNewScene(scene);
       }
       return newSceneData;
     });
     const prevSceneDataRef = React.useRef(sceneData);
     const prevSceneData = prevSceneDataRef.current;
 
     // We need to initiate animations in useEffect blocks, but because we
     // setState within render we might have multiple renders before the
     // useEffect triggers. So we cache whether or not new animations should be
     // started in this ref
     const pendingAnimationsRef = React.useRef<{ [key: string]: number }>({});
     const queueAnimation = (key: string, toValue: number) => {
       pendingAnimationsRef.current = {
         ...pendingAnimationsRef.current,
         [key]: toValue,
       };
     };
 
     // This block keeps sceneData updated when our props change. It's the
     // hook equivalent of getDerivedStateFromProps
     // https://reactjs.org/docs/hooks-faq.html#how-do-i-implement-getderivedstatefromprops
     const updatedSceneData = { ...sceneData };
     let sceneDataChanged = false;
     if (prevScenes && scenes !== prevScenes) {
       const currentKeys = new Set();
       for (const scene of scenes) {
         const { key } = scene.route;
         currentKeys.add(key);
 
         let data = updatedSceneData[key];
         if (!data) {
           // A new route has been pushed
           const newVisibleOverlayEntry = visibleOverlayEntryForNewScene(scene);
           if (newVisibleOverlayEntry) {
             visibleOverlays = [...visibleOverlays, newVisibleOverlayEntry];
           }
           updatedSceneData[key] = sceneDataForNewScene(scene);
           sceneDataChanged = true;
           queueAnimation(key, 1);
           continue;
         }
 
         let dataChanged = false;
         if (scene.route !== data.route) {
           data = { ...data, route: scene.route };
           dataChanged = true;
         }
         if (scene.descriptor !== data.descriptor) {
           data = { ...data, descriptor: scene.descriptor };
           // We don't set dataChanged here because descriptors get recomputed on
           // every render, which means we could get an infinite loop. However,
           // we want to update the descriptor whenever anything else changes, so
           // that if and when our scene is dismissed, the sceneData has the most
           // recent descriptor
         }
         if (scene.context.isDismissing !== data.context.isDismissing) {
           data = { ...data, context: { ...data.context, ...scene.context } };
           dataChanged = true;
         }
         if (scene.ordering.routeIndex !== data.ordering.routeIndex) {
           data = { ...data, ordering: { ...data.ordering, ...scene.ordering } };
           dataChanged = true;
         }
 
         if (dataChanged) {
           // Something about an existing route has changed
           updatedSceneData[key] = data;
           sceneDataChanged = true;
         }
       }
 
       for (let i = 0; i < prevScenes.length; i++) {
         const scene = prevScenes[i];
         const { key } = scene.route;
         if (currentKeys.has(key)) {
           continue;
         }
         currentKeys.add(key);
         const data = updatedSceneData[key];
         invariant(data, `should have sceneData for dismissed key ${key}`);
 
         if (!visibleOverlayEntryForNewScene(scene)) {
           // This should only happen if TabNavigator gets dismissed
           // TabNavigator doesn't normally ever get dismissed, but hot reload
           // can cause that to happen. We don't need to animate TabNavigator
           // closed, and in fact we would crash if we tried. So we short-circuit
           // the logic below
           delete updatedSceneData[key];
           sceneDataChanged = true;
           continue;
         }
 
         // A route just got dismissed
         // We'll watch the animation to determine when to clear the screen
         const { position } = data.context;
         invariant(position, `should have position for dismissed key ${key}`);
         updatedSceneData[key] = {
           ...data,
           context: {
             ...data.context,
             isDismissing: true,
           },
           listeners: [
             cond(
               lessOrEq(position, 0),
               call([], () => {
                 // This gets called when the scene is no longer visible and
                 // handles cleaning up our data structures to remove it
                 const curVisibleOverlays = visibleOverlaysRef.current;
                 invariant(
                   curVisibleOverlays,
                   'visibleOverlaysRef should be set',
                 );
                 const newVisibleOverlays = curVisibleOverlays.filter(
                   overlay => overlay.routeKey !== key,
                 );
                 invariant(
                   newVisibleOverlays.length < curVisibleOverlays.length,
                   `could not find ${key} in visibleOverlays`,
                 );
                 visibleOverlaysRef.current = newVisibleOverlays;
                 setSceneData(curSceneData => {
                   const newSceneData = {};
                   for (const sceneKey in curSceneData) {
                     if (sceneKey === key) {
                       continue;
                     }
                     newSceneData[sceneKey] = {
                       ...curSceneData[sceneKey],
                       context: {
                         ...curSceneData[sceneKey].context,
                         visibleOverlays: newVisibleOverlays,
                       },
                     };
                   }
                   return newSceneData;
                 });
               }),
             ),
           ],
         };
         sceneDataChanged = true;
         queueAnimation(key, 0);
       }
     }
 
     if (visibleOverlays !== visibleOverlaysRef.current) {
       // This indicates we have pushed a new route. Let's make sure every
       // sceneData has the updated visibleOverlays
       for (const sceneKey in updatedSceneData) {
         updatedSceneData[sceneKey] = {
           ...updatedSceneData[sceneKey],
           context: {
             ...updatedSceneData[sceneKey].context,
             visibleOverlays,
           },
         };
       }
       visibleOverlaysRef.current = visibleOverlays;
       sceneDataChanged = true;
     }
 
     const pendingAnimations = pendingAnimationsRef.current;
     React.useEffect(() => {
       if (Object.keys(pendingAnimations).length === 0) {
         return;
       }
       for (const key in pendingAnimations) {
         const toValue = pendingAnimations[key];
         const position = positions[key];
         let duration = 150;
         if (isMessageTooltipKey(key)) {
           const navigationTransitionSpec =
             toValue === 0
               ? TransitionPresets.DefaultTransition.transitionSpec.close
               : TransitionPresets.DefaultTransition.transitionSpec.open;
           duration =
             (navigationTransitionSpec.animation === 'timing' &&
               navigationTransitionSpec.config.duration) ||
             400;
         }
         invariant(position, `should have position for animating key ${key}`);
         timing(position, {
           duration,
           easing: EasingNode.inOut(EasingNode.ease),
           toValue,
         }).start();
       }
       pendingAnimationsRef.current = {};
     }, [positions, pendingAnimations]);
 
-    // If sceneData changes, we update scrollBlockingModalStatus based on it, both
-    // in state and within the individual sceneData contexts. If sceneData doesn't
-    // change, it's still possible for scrollBlockingModalStatus to change via the
+    // If sceneData changes, we update scrollBlockingModalStatus based on it,
+    // both in state and within the individual sceneData contexts.
+    // If sceneData doesn't change,
+    // it's still possible for scrollBlockingModalStatus to change via the
     // setScrollBlockingModalStatus callback we expose via context
     let newScrollBlockingModalStatus;
     if (sceneDataChanged || sceneData !== prevSceneData) {
       const statusFromSceneData = getScrollBlockingModalStatus(
         values(updatedSceneData),
       );
       if (
         statusFromSceneData !== scrollBlockingModalStatus &&
         statusFromSceneData !== prevScrollBlockingModalStatusFromSceneData
       ) {
         newScrollBlockingModalStatus = statusFromSceneData;
       }
       prevScrollBlockingModalStatusFromSceneDataRef.current = statusFromSceneData;
     }
     if (
       !newScrollBlockingModalStatus &&
       scrollBlockingModalStatus !== prevScrollBlockingModalStatus
     ) {
       newScrollBlockingModalStatus = scrollBlockingModalStatus;
     }
     if (newScrollBlockingModalStatus) {
       if (newScrollBlockingModalStatus !== scrollBlockingModalStatus) {
         setScrollBlockingModalStatus(newScrollBlockingModalStatus);
       }
       for (const key in updatedSceneData) {
         const data = updatedSceneData[key];
         updatedSceneData[key] = {
           ...data,
           context: {
             ...data.context,
             scrollBlockingModalStatus: newScrollBlockingModalStatus,
           },
         };
       }
       sceneDataChanged = true;
     }
 
     if (sceneDataChanged) {
       setSceneData(updatedSceneData);
     }
 
-    // Usually this would be done in an effect, but calling setState from the body
+    // Usually this would be done in an effect,
+    // but calling setState from the body
     // of a hook causes the hook to rerender before triggering effects. To avoid
     // infinite loops we make sure to set our prev values after we finish
     // comparing them
     prevScenesRef.current = scenes;
     prevSceneDataRef.current = sceneDataChanged ? updatedSceneData : sceneData;
     prevScrollBlockingModalStatusRef.current = newScrollBlockingModalStatus
       ? newScrollBlockingModalStatus
       : scrollBlockingModalStatus;
 
     const sceneList = values(updatedSceneData).sort((a, b) => {
       const routeIndexDifference =
         a.ordering.routeIndex - b.ordering.routeIndex;
       if (routeIndexDifference) {
         return routeIndexDifference;
       }
       return a.ordering.creationTime - b.ordering.creationTime;
     });
 
     const screens = sceneList.map(scene => {
       const { route, descriptor, context, listeners } = scene;
       const { render } = descriptor;
 
       const pressable = !context.isDismissing && !route.params?.preventPresses;
       const pointerEvents = pressable ? 'auto' : 'none';
 
       // These listeners are used to clear routes after they finish dismissing
       const listenerCode =
         listeners.length > 0 ? <Animated.Code exec={block(listeners)} /> : null;
       return (
         <OverlayContext.Provider value={context} key={route.key}>
           <View style={styles.scene} pointerEvents={pointerEvents}>
             {render()}
           </View>
           {listenerCode}
         </OverlayContext.Provider>
       );
     });
 
     return (
       <NavigationHelpersContext.Provider value={navigation}>
         <View style={styles.container}>{screens}</View>
       </NavigationHelpersContext.Provider>
     );
   },
 );
 OverlayNavigator.displayName = 'OverlayNavigator';
 const createOverlayNavigator: CreateNavigator<
   StackNavigationState,
   {},
   {},
   ExtraNavigatorPropsBase,
 > = createNavigatorFactory<
   StackNavigationState,
   {},
   {},
   OverlayRouterNavigationProp<>,
   ExtraNavigatorPropsBase,
 >(OverlayNavigator);
 
 const styles = StyleSheet.create({
   container: {
     flex: 1,
   },
   scene: {
     bottom: 0,
     left: 0,
     position: 'absolute',
     right: 0,
     top: 0,
   },
 });
 
 export { createOverlayNavigator };
diff --git a/native/types/themes.js b/native/types/themes.js
index 2b8648a1d..6b956926a 100644
--- a/native/types/themes.js
+++ b/native/types/themes.js
@@ -1,24 +1,25 @@
 // @flow
 
 import { Platform } from 'react-native';
 
 export type GlobalTheme = 'light' | 'dark';
 export type GlobalThemePreference = GlobalTheme | 'system';
 
 export type GlobalThemeInfo = {
   +activeTheme: ?GlobalTheme,
   +systemTheme: ?GlobalTheme,
   +preference: GlobalThemePreference,
 };
 
 export const osCanTheme: boolean =
   (Platform.OS === 'ios' && parseInt(Platform.Version, 10) >= 13) ||
   (Platform.OS === 'android' && Platform.Version >= 29);
 
 export const defaultGlobalThemeInfo = {
   // revert to `activeTheme: osCanTheme ? null : 'light'` to re-enable theming
   activeTheme: 'dark',
   systemTheme: null,
-  // revert to `preference: osCanTheme ? 'system' : 'light'` to re-enable theming
+  // revert to `preference: osCanTheme ? 'system' : 'light'`
+  // to re-enable theming
   preference: 'dark',
 };
diff --git a/native/utils/dev-hostname.js b/native/utils/dev-hostname.js
index 5da4b65f2..0a7b3e817 100644
--- a/native/utils/dev-hostname.js
+++ b/native/utils/dev-hostname.js
@@ -1,32 +1,33 @@
 // @flow
 
 let natDevHostname: string;
 let warnNatDevHostnameUndefined = true;
 const defaultNatDevHostname = '192.168.1.1';
 
 try {
   // this is your machine's hostname in the local network
   // usually it looks like this: 192.168.1.x
-  // to find it you may want to use `ifconfig | grep '192.168'` command in the terminal
+  // to find it you may want to use `ifconfig | grep '192.168'`
+  // command in the terminal
   // example of native/facts/network.json:
   // { "natDevHostname": "192.168.1.x" }
   // $FlowExpectedError: That's a conditional require so the file may not exist
   const hostname: string = require('../facts/network').natDevHostname;
   natDevHostname = hostname;
   warnNatDevHostnameUndefined = false;
 } catch (e) {
   natDevHostname = defaultNatDevHostname;
 }
 
 function checkForMissingNatDevHostname() {
   if (!warnNatDevHostnameUndefined) {
     return;
   }
   console.warn(
     'Failed to read natDevHostname. ' +
       'Please specify it in native/facts/network.json',
   );
   warnNatDevHostnameUndefined = false;
 }
 
 export { natDevHostname, checkForMissingNatDevHostname };
diff --git a/web/chat/chat-input-bar.react.js b/web/chat/chat-input-bar.react.js
index f7f1b82ca..88f821903 100644
--- a/web/chat/chat-input-bar.react.js
+++ b/web/chat/chat-input-bar.react.js
@@ -1,473 +1,473 @@
 // @flow
 
 import invariant from 'invariant';
 import _difference from 'lodash/fp/difference';
 import * as React from 'react';
 
 import {
   joinThreadActionTypes,
   joinThread,
   newThreadActionTypes,
 } from 'lib/actions/thread-actions';
 import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors';
 import { localIDPrefix, trimMessage } from 'lib/shared/message-utils';
 import {
   threadHasPermission,
   viewerIsMember,
   threadFrozenDueToViewerBlock,
   threadActualMembers,
   checkIfDefaultMembersAreVoiced,
 } from 'lib/shared/thread-utils';
 import type { CalendarQuery } from 'lib/types/entry-types';
 import type { LoadingStatus } from 'lib/types/loading-types';
 import { messageTypes } from 'lib/types/message-types';
 import {
   type ThreadInfo,
   threadPermissions,
   type ClientThreadJoinRequest,
   type ThreadJoinPayload,
 } from 'lib/types/thread-types';
 import { type UserInfos } from 'lib/types/user-types';
 import {
   type DispatchActionPromise,
   useServerCall,
   useDispatchActionPromise,
 } from 'lib/utils/action-utils';
 
 import {
   type InputState,
   type PendingMultimediaUpload,
 } from '../input/input-state';
 import LoadingIndicator from '../loading-indicator.react';
 import { allowedMimeTypeString } from '../media/file-utils';
 import Multimedia from '../media/multimedia.react';
 import { useSelector } from '../redux/redux-utils';
 import { nonThreadCalendarQuery } from '../selectors/nav-selectors';
 import SWMansionIcon from '../SWMansionIcon.react';
 import css from './chat-input-bar.css';
 
 type BaseProps = {
   +threadInfo: ThreadInfo,
   +inputState: InputState,
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +viewerID: ?string,
   +joinThreadLoadingStatus: LoadingStatus,
   +threadCreationInProgress: boolean,
   +calendarQuery: () => CalendarQuery,
   +nextLocalID: number,
   +isThreadActive: boolean,
   +userInfos: UserInfos,
   // Redux dispatch functions
   +dispatchActionPromise: DispatchActionPromise,
   // async functions that hit server APIs
   +joinThread: (request: ClientThreadJoinRequest) => Promise<ThreadJoinPayload>,
 };
 class ChatInputBar extends React.PureComponent<Props> {
   textarea: ?HTMLTextAreaElement;
   multimediaInput: ?HTMLInputElement;
 
   componentDidMount() {
     this.updateHeight();
     if (this.props.isThreadActive) {
       this.addReplyListener();
     }
   }
 
   componentWillUnmount() {
     if (this.props.isThreadActive) {
       this.removeReplyListener();
     }
   }
 
   componentDidUpdate(prevProps: Props) {
     if (this.props.isThreadActive && !prevProps.isThreadActive) {
       this.addReplyListener();
     } else if (!this.props.isThreadActive && prevProps.isThreadActive) {
       this.removeReplyListener();
     }
 
     const { inputState } = this.props;
     const prevInputState = prevProps.inputState;
     if (inputState.draft !== prevInputState.draft) {
       this.updateHeight();
     }
     const curUploadIDs = ChatInputBar.unassignedUploadIDs(
       inputState.pendingUploads,
     );
     const prevUploadIDs = ChatInputBar.unassignedUploadIDs(
       prevInputState.pendingUploads,
     );
     if (
       this.multimediaInput &&
       _difference(prevUploadIDs)(curUploadIDs).length > 0
     ) {
       // Whenever a pending upload is removed, we reset the file
       // HTMLInputElement's value field, so that if the same upload occurs again
       // the onChange call doesn't get filtered
       this.multimediaInput.value = '';
     } else if (
       this.textarea &&
       _difference(curUploadIDs)(prevUploadIDs).length > 0
     ) {
       // Whenever a pending upload is added, we focus the textarea
       this.textarea.focus();
       return;
     }
 
     if (this.props.threadInfo.id !== prevProps.threadInfo.id && this.textarea) {
       this.textarea.focus();
     }
   }
 
   static unassignedUploadIDs(
     pendingUploads: $ReadOnlyArray<PendingMultimediaUpload>,
   ) {
     return pendingUploads
       .filter(
         (pendingUpload: PendingMultimediaUpload) => !pendingUpload.messageID,
       )
       .map((pendingUpload: PendingMultimediaUpload) => pendingUpload.localID);
   }
 
   updateHeight() {
     const textarea = this.textarea;
     if (textarea) {
       textarea.style.height = 'auto';
       const newHeight = Math.min(textarea.scrollHeight, 150);
       textarea.style.height = `${newHeight}px`;
     }
   }
 
   addReplyListener() {
     invariant(
       this.props.inputState,
       'inputState should be set in addReplyListener',
     );
     this.props.inputState.addReplyListener(this.focusAndUpdateText);
   }
 
   removeReplyListener() {
     invariant(
       this.props.inputState,
       'inputState should be set in removeReplyListener',
     );
     this.props.inputState.removeReplyListener(this.focusAndUpdateText);
   }
 
   render() {
     const isMember = viewerIsMember(this.props.threadInfo);
     const canJoin = threadHasPermission(
       this.props.threadInfo,
       threadPermissions.JOIN_THREAD,
     );
 
     let joinButton = null;
     if (!isMember && canJoin && !this.props.threadCreationInProgress) {
       let buttonContent;
       if (this.props.joinThreadLoadingStatus === 'loading') {
         buttonContent = (
           <LoadingIndicator
             status={this.props.joinThreadLoadingStatus}
             size="medium"
             color="white"
           />
         );
       } else {
         buttonContent = (
           <>
             <SWMansionIcon icon="plus" size={24} />
             <p className={css.joinButtonText}>Join Thread</p>
           </>
         );
       }
       joinButton = (
         <div className={css.joinButtonContainer}>
           <button
             onClick={this.onClickJoin}
             className={css.joinButton}
             style={{ backgroundColor: `#${this.props.threadInfo.color}` }}
           >
             {buttonContent}
           </button>
         </div>
       );
     }
 
     const { pendingUploads, cancelPendingUpload } = this.props.inputState;
     const multimediaPreviews = pendingUploads.map(pendingUpload => (
       <Multimedia
         uri={pendingUpload.uri}
         pendingUpload={pendingUpload}
         remove={cancelPendingUpload}
         multimediaCSSClass={css.multimedia}
         multimediaImageCSSClass={css.multimediaImage}
         key={pendingUpload.localID}
       />
     ));
     const previews =
       multimediaPreviews.length > 0 ? (
         <div className={css.previews}>{multimediaPreviews}</div>
       ) : null;
 
     let content;
-    // If the thread is created by somebody else while the viewer is attempting to
-    // create it, the threadInfo might be modified in-place and won't list the
-    // viewer as a member, which will end up hiding the input. In this case, we will
-    // assume that our creation action will get translated into a join, and as long
-    // as members are voiced, we can show the input.
+    // If the thread is created by somebody else while the viewer is attempting
+    // to create it, the threadInfo might be modified in-place and won't
+    // list the viewer as a member, which will end up hiding the input. In
+    // this case, we will assume that our creation action will get translated,
+    // into a join and as long as members are voiced, we can show the input.
     const defaultMembersAreVoiced = checkIfDefaultMembersAreVoiced(
       this.props.threadInfo,
     );
 
     let sendButton;
     if (this.props.inputState.draft.length) {
       sendButton = (
         <a onClick={this.onSend} className={css.sendButton}>
           <SWMansionIcon icon="send" size={22} color="#8a8a8a" />
         </a>
       );
     }
 
     if (
       threadHasPermission(this.props.threadInfo, threadPermissions.VOICED) ||
       (this.props.threadCreationInProgress && defaultMembersAreVoiced)
     ) {
       content = (
         <div className={css.inputBarWrapper}>
           <a className={css.multimediaUpload} onClick={this.onMultimediaClick}>
             <input
               type="file"
               onChange={this.onMultimediaFileChange}
               ref={this.multimediaInputRef}
               accept={allowedMimeTypeString}
               multiple
             />
             <SWMansionIcon icon="image" size={22} disableFill />
           </a>
           <div className={css.inputBarTextInput}>
             <textarea
               rows="1"
               placeholder="Type your message"
               value={this.props.inputState.draft}
               onChange={this.onChangeMessageText}
               onKeyDown={this.onKeyDown}
               ref={this.textareaRef}
               autoFocus
             />
           </div>
           {sendButton}
         </div>
       );
     } else if (
       threadFrozenDueToViewerBlock(
         this.props.threadInfo,
         this.props.viewerID,
         this.props.userInfos,
       ) &&
       threadActualMembers(this.props.threadInfo.members).length === 2
     ) {
       content = (
         <span className={css.explanation}>
           You can&apos;t send messages to a user that you&apos;ve blocked.
         </span>
       );
     } else if (isMember) {
       content = (
         <span className={css.explanation}>
           You don&apos;t have permission to send messages.
         </span>
       );
     } else if (defaultMembersAreVoiced && canJoin) {
       content = null;
     } else {
       content = (
         <span className={css.explanation}>
           You don&apos;t have permission to send messages.
         </span>
       );
     }
 
     return (
       <div className={css.inputBar}>
         {joinButton}
         {previews}
         {content}
       </div>
     );
   }
 
   textareaRef = (textarea: ?HTMLTextAreaElement) => {
     this.textarea = textarea;
     if (textarea) {
       textarea.focus();
     }
   };
 
   onChangeMessageText = (event: SyntheticEvent<HTMLTextAreaElement>) => {
     this.props.inputState.setDraft(event.currentTarget.value);
   };
 
   focusAndUpdateText = (text: string) => {
     // We need to call focus() first on Safari, otherwise the cursor
     // ends up at the start instead of the end for some reason
     const { textarea } = this;
     invariant(textarea, 'textarea should be set');
     textarea.focus();
 
     // We reset the textarea to an empty string at the start so that the cursor
     // always ends up at the end, even if the text doesn't actually change
     textarea.value = '';
     const currentText = this.props.inputState.draft;
     if (!currentText.startsWith(text)) {
       const prependedText = text.concat(currentText);
       this.props.inputState.setDraft(prependedText);
       textarea.value = prependedText;
     } else {
       textarea.value = currentText;
     }
 
     // The above strategies make sure the cursor is at the end,
     // but we also need to make sure that we're scrolled to the bottom
     textarea.scrollTop = textarea.scrollHeight;
   };
 
   onKeyDown = (event: SyntheticKeyboardEvent<HTMLTextAreaElement>) => {
     if (event.keyCode === 13 && !event.shiftKey) {
       event.preventDefault();
       this.send();
     }
   };
 
   onSend = (event: SyntheticEvent<HTMLAnchorElement>) => {
     event.preventDefault();
     this.send();
   };
 
   send() {
     let { nextLocalID } = this.props;
 
     const text = trimMessage(this.props.inputState.draft);
     if (text) {
       // TODO we should make the send button appear dynamically
       // iff trimmed text is nonempty, just like native
       this.dispatchTextMessageAction(text, nextLocalID);
       nextLocalID++;
     }
 
     this.props.inputState.createMultimediaMessage(
       nextLocalID,
       this.props.threadInfo,
     );
   }
 
   dispatchTextMessageAction(text: string, nextLocalID: number) {
     this.props.inputState.setDraft('');
 
     const localID = `${localIDPrefix}${nextLocalID}`;
     const creatorID = this.props.viewerID;
     invariant(creatorID, 'should have viewer ID in order to send a message');
 
     this.props.inputState.sendTextMessage(
       {
         type: messageTypes.TEXT,
         localID,
         threadID: this.props.threadInfo.id,
         text,
         creatorID,
         time: Date.now(),
       },
       this.props.threadInfo,
     );
   }
 
   multimediaInputRef = (multimediaInput: ?HTMLInputElement) => {
     this.multimediaInput = multimediaInput;
   };
 
   onMultimediaClick = () => {
     if (this.multimediaInput) {
       this.multimediaInput.click();
     }
   };
 
   onMultimediaFileChange = async (
     event: SyntheticInputEvent<HTMLInputElement>,
   ) => {
     const result = await this.props.inputState.appendFiles([
       ...event.target.files,
     ]);
     if (!result && this.multimediaInput) {
       this.multimediaInput.value = '';
     }
   };
 
   onClickJoin = (event: SyntheticEvent<HTMLAnchorElement>) => {
     event.preventDefault();
     this.props.dispatchActionPromise(joinThreadActionTypes, this.joinAction());
   };
 
   async joinAction() {
     const query = this.props.calendarQuery();
     return await this.props.joinThread({
       threadID: this.props.threadInfo.id,
       calendarQuery: {
         startDate: query.startDate,
         endDate: query.endDate,
         filters: [
           ...query.filters,
           { type: 'threads', threadIDs: [this.props.threadInfo.id] },
         ],
       },
     });
   }
 }
 
 const joinThreadLoadingStatusSelector = createLoadingStatusSelector(
   joinThreadActionTypes,
 );
 const createThreadLoadingStatusSelector = createLoadingStatusSelector(
   newThreadActionTypes,
 );
 
 const ConnectedChatInputBar: React.ComponentType<BaseProps> = React.memo<BaseProps>(
   function ConnectedChatInputBar(props) {
     const viewerID = useSelector(
       state => state.currentUserInfo && state.currentUserInfo.id,
     );
     const nextLocalID = useSelector(state => state.nextLocalID);
     const isThreadActive = useSelector(
       state => props.threadInfo.id === state.navInfo.activeChatThreadID,
     );
     const userInfos = useSelector(state => state.userStore.userInfos);
     const joinThreadLoadingStatus = useSelector(
       joinThreadLoadingStatusSelector,
     );
     const createThreadLoadingStatus = useSelector(
       createThreadLoadingStatusSelector,
     );
     const threadCreationInProgress = createThreadLoadingStatus === 'loading';
     const calendarQuery = useSelector(nonThreadCalendarQuery);
     const dispatchActionPromise = useDispatchActionPromise();
     const callJoinThread = useServerCall(joinThread);
 
     return (
       <ChatInputBar
         {...props}
         viewerID={viewerID}
         joinThreadLoadingStatus={joinThreadLoadingStatus}
         threadCreationInProgress={threadCreationInProgress}
         calendarQuery={calendarQuery}
         nextLocalID={nextLocalID}
         isThreadActive={isThreadActive}
         userInfos={userInfos}
         dispatchActionPromise={dispatchActionPromise}
         joinThread={callJoinThread}
       />
     );
   },
 );
 
 export default ConnectedChatInputBar;