diff --git a/lib/shared/message-utils.js b/lib/shared/message-utils.js
index bb4afb9d1..c579440a8 100644
--- a/lib/shared/message-utils.js
+++ b/lib/shared/message-utils.js
@@ -1,710 +1,727 @@
 // @flow
 
 import invariant from 'invariant';
 import _maxBy from 'lodash/fp/maxBy.js';
 import _orderBy from 'lodash/fp/orderBy.js';
 import * as React from 'react';
 
 import { codeBlockRegex, type ParserRules } from './markdown.js';
 import type { CreationSideEffectsFunc } from './messages/message-spec.js';
 import { messageSpecs } from './messages/message-specs.js';
 import { threadIsGroupChat } from './thread-utils.js';
 import { useStringForUser } from '../hooks/ens-cache.js';
 import { contentStringForMediaArray } from '../media/media-utils.js';
 import type { ChatMessageInfoItem } from '../selectors/chat-selectors.js';
 import { threadInfoSelector } from '../selectors/thread-selectors.js';
 import { userIDsToRelativeUserInfos } from '../selectors/user-selectors.js';
 import { type PlatformDetails, isWebPlatform } from '../types/device-types.js';
 import type { Media } from '../types/media-types.js';
 import { messageTypes } from '../types/message-types-enum.js';
 import {
   type MessageInfo,
   type RawMessageInfo,
   type RobotextMessageInfo,
   type RawMultimediaMessageInfo,
   type MessageData,
   type MessageTruncationStatus,
   type MultimediaMessageData,
   type MessageStore,
   type ComposableMessageInfo,
   messageTruncationStatus,
   type RawComposableMessageInfo,
   type ThreadMessageInfo,
 } from '../types/message-types.js';
 import type {
   EditMessageInfo,
   RawEditMessageInfo,
 } from '../types/messages/edit.js';
 import type { ImagesMessageData } from '../types/messages/images.js';
 import type { MediaMessageData } from '../types/messages/media.js';
 import type {
   RawReactionMessageInfo,
   ReactionMessageInfo,
 } from '../types/messages/reaction.js';
-import { type ThreadInfo } from '../types/thread-types.js';
+import type { ThreadInfo } from '../types/thread-types.js';
 import type { UserInfos } from '../types/user-types.js';
 import {
   type EntityText,
   ET,
   useEntityTextAsString,
 } from '../utils/entity-text.js';
 import { useSelector } from '../utils/redux-utils.js';
 
 const localIDPrefix = 'local';
 
 const defaultMediaMessageOptions = Object.freeze({});
 
 // Prefers localID
 function messageKey(messageInfo: MessageInfo | RawMessageInfo): string {
   if (messageInfo.localID) {
     return messageInfo.localID;
   }
   invariant(messageInfo.id, 'localID should exist if ID does not');
   return messageInfo.id;
 }
 
 // Prefers serverID
 function messageID(messageInfo: MessageInfo | RawMessageInfo): string {
   if (messageInfo.id) {
     return messageInfo.id;
   }
   invariant(messageInfo.localID, 'localID should exist if ID does not');
   return messageInfo.localID;
 }
 
 function robotextForMessageInfo(
   messageInfo: RobotextMessageInfo,
   threadInfo: ?ThreadInfo,
   parentThreadInfo: ?ThreadInfo,
 ): EntityText {
   const messageSpec = messageSpecs[messageInfo.type];
   invariant(
     messageSpec.robotext,
     `we're not aware of messageType ${messageInfo.type}`,
   );
   return messageSpec.robotext(messageInfo, { threadInfo, parentThreadInfo });
 }
 
 function createMessageInfo(
   rawMessageInfo: RawMessageInfo,
   viewerID: ?string,
   userInfos: UserInfos,
   threadInfos: { +[id: string]: ThreadInfo },
 ): ?MessageInfo {
   const creatorInfo = userInfos[rawMessageInfo.creatorID];
   const creator = {
     id: rawMessageInfo.creatorID,
     username: creatorInfo ? creatorInfo.username : 'anonymous',
     isViewer: rawMessageInfo.creatorID === viewerID,
   };
 
   const createRelativeUserInfos = (userIDs: $ReadOnlyArray<string>) =>
     userIDsToRelativeUserInfos(userIDs, viewerID, userInfos);
   const createMessageInfoFromRaw = (rawInfo: RawMessageInfo) =>
     createMessageInfo(rawInfo, viewerID, userInfos, threadInfos);
 
   const messageSpec = messageSpecs[rawMessageInfo.type];
 
   return messageSpec.createMessageInfo(rawMessageInfo, creator, {
     threadInfos,
     createMessageInfoFromRaw,
     createRelativeUserInfos,
   });
 }
 
 type LengthResult = {
   +local: number,
   +realized: number,
 };
 function findMessageIDMaxLengths(
   messageIDs: $ReadOnlyArray<?string>,
 ): LengthResult {
   const result = {
     local: 0,
     realized: 0,
   };
   for (const id of messageIDs) {
     if (!id) {
       continue;
     }
     if (id.startsWith(localIDPrefix)) {
       result.local = Math.max(result.local, id.length - localIDPrefix.length);
     } else {
       result.realized = Math.max(result.realized, id.length);
     }
   }
   return result;
 }
 
 function extendMessageID(id: ?string, lengths: LengthResult): ?string {
   if (!id) {
     return id;
   }
   if (id.startsWith(localIDPrefix)) {
     const zeroPaddedID = id
       .substr(localIDPrefix.length)
       .padStart(lengths.local, '0');
     return `${localIDPrefix}${zeroPaddedID}`;
   }
   return id.padStart(lengths.realized, '0');
 }
 
 function sortMessageInfoList<T: MessageInfo | RawMessageInfo>(
   messageInfos: $ReadOnlyArray<T>,
 ): T[] {
   const lengths = findMessageIDMaxLengths(
     messageInfos.map(message => message?.id),
   );
   return _orderBy([
     'time',
     (message: T) => extendMessageID(message?.id, lengths),
   ])(['desc', 'desc'])(messageInfos);
 }
 
 const sortMessageIDs: (messages: { +[id: string]: RawMessageInfo }) => (
   messageIDs: $ReadOnlyArray<string>,
 ) => string[] = messages => messageIDs => {
   const lengths = findMessageIDMaxLengths(messageIDs);
   return _orderBy([
     (id: string) => messages[id].time,
     (id: string) => extendMessageID(id, lengths),
   ])(['desc', 'desc'])(messageIDs);
 };
 
 function rawMessageInfoFromMessageData(
   messageData: MessageData,
   id: ?string,
 ): RawMessageInfo {
   const messageSpec = messageSpecs[messageData.type];
   invariant(
     messageSpec.rawMessageInfoFromMessageData,
     `we're not aware of messageType ${messageData.type}`,
   );
   return messageSpec.rawMessageInfoFromMessageData(messageData, id);
 }
 
 function mostRecentMessageTimestamp(
   messageInfos: $ReadOnlyArray<RawMessageInfo>,
   previousTimestamp: number,
 ): number {
   if (messageInfos.length === 0) {
     return previousTimestamp;
   }
   return _maxBy('time')(messageInfos).time;
 }
 
 function usersInMessageInfos(
   messageInfos: $ReadOnlyArray<MessageInfo | RawMessageInfo>,
 ): string[] {
   const userIDs = new Set();
   for (const messageInfo of messageInfos) {
     if (messageInfo.creatorID) {
       userIDs.add(messageInfo.creatorID);
     } else if (messageInfo.creator) {
       userIDs.add(messageInfo.creator.id);
     }
   }
   return [...userIDs];
 }
 
 function combineTruncationStatuses(
   first: MessageTruncationStatus,
   second: ?MessageTruncationStatus,
 ): MessageTruncationStatus {
   if (
     first === messageTruncationStatus.EXHAUSTIVE ||
     second === messageTruncationStatus.EXHAUSTIVE
   ) {
     return messageTruncationStatus.EXHAUSTIVE;
   } else if (
     first === messageTruncationStatus.UNCHANGED &&
     second !== null &&
     second !== undefined
   ) {
     return second;
   } else {
     return first;
   }
 }
 
 function shimUnsupportedRawMessageInfos(
   rawMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   platformDetails: ?PlatformDetails,
 ): RawMessageInfo[] {
   if (platformDetails && isWebPlatform(platformDetails.platform)) {
     return [...rawMessageInfos];
   }
   return rawMessageInfos.map(rawMessageInfo => {
     const { shimUnsupportedMessageInfo } = messageSpecs[rawMessageInfo.type];
     if (shimUnsupportedMessageInfo) {
       return shimUnsupportedMessageInfo(rawMessageInfo, platformDetails);
     }
     return rawMessageInfo;
   });
 }
 
 type MediaMessageDataCreationInput = {
   +threadID: string,
   +creatorID: string,
   +media: $ReadOnlyArray<Media>,
   +localID?: ?string,
   +time?: ?number,
   +sidebarCreation?: ?boolean,
   ...
 };
 function createMediaMessageData(
   input: MediaMessageDataCreationInput,
   options: {
     +forceMultimediaMessageType?: boolean,
   } = defaultMediaMessageOptions,
 ): MultimediaMessageData {
   let allMediaArePhotos = true;
   const photoMedia = [];
   for (const singleMedia of input.media) {
     if (singleMedia.type !== 'photo') {
       allMediaArePhotos = false;
       break;
     } else {
       photoMedia.push(singleMedia);
     }
   }
 
   const { localID, threadID, creatorID, sidebarCreation } = input;
   const { forceMultimediaMessageType = false } = options;
   const time = input.time ? input.time : Date.now();
   let messageData;
   if (allMediaArePhotos && !forceMultimediaMessageType) {
     messageData = ({
       type: messageTypes.IMAGES,
       threadID,
       creatorID,
       time,
       media: photoMedia,
     }: ImagesMessageData);
     if (localID) {
       messageData = { ...messageData, localID };
     }
     if (sidebarCreation) {
       messageData = { ...messageData, sidebarCreation };
     }
   } else {
     messageData = ({
       type: messageTypes.MULTIMEDIA,
       threadID,
       creatorID,
       time,
       media: input.media,
     }: MediaMessageData);
     if (localID) {
       messageData = { ...messageData, localID };
     }
     if (sidebarCreation) {
       messageData = { ...messageData, sidebarCreation };
     }
   }
   return messageData;
 }
 
 type MediaMessageInfoCreationInput = {
   ...$Exact<MediaMessageDataCreationInput>,
   +id?: ?string,
 };
 function createMediaMessageInfo(
   input: MediaMessageInfoCreationInput,
   options: {
     +forceMultimediaMessageType?: boolean,
   } = defaultMediaMessageOptions,
 ): RawMultimediaMessageInfo {
   const messageData = createMediaMessageData(input, options);
   const createRawMessageInfo =
     messageSpecs[messageData.type].rawMessageInfoFromMessageData;
   invariant(
     createRawMessageInfo,
     'multimedia message spec should have rawMessageInfoFromMessageData',
   );
   const result = createRawMessageInfo(messageData, input.id);
   invariant(
     result.type === messageTypes.MULTIMEDIA ||
       result.type === messageTypes.IMAGES,
     `media messageSpec returned MessageType ${result.type}`,
   );
   return result;
 }
 
 function stripLocalID(
   rawMessageInfo:
     | RawComposableMessageInfo
     | RawReactionMessageInfo
     | RawEditMessageInfo,
 ) {
   const { localID, ...rest } = rawMessageInfo;
   return rest;
 }
 
 function stripLocalIDs(
   input: $ReadOnlyArray<RawMessageInfo>,
 ): RawMessageInfo[] {
   const output = [];
   for (const rawMessageInfo of input) {
     if (rawMessageInfo.localID) {
       invariant(
         rawMessageInfo.id,
         'serverID should be set if localID is being stripped',
       );
       output.push(stripLocalID(rawMessageInfo));
     } else {
       output.push(rawMessageInfo);
     }
   }
   return output;
 }
 
 // Normally we call trim() to remove whitespace at the beginning and end of each
 // message. However, our Markdown parser supports a "codeBlock" format where the
 // user can indent each line to indicate a code block. If we match the
 // corresponding RegEx, we'll only trim whitespace off the end.
 function trimMessage(message: string): string {
   message = message.replace(/^\n*/, '');
   return codeBlockRegex.exec(message) ? message.trimEnd() : message.trim();
 }
 
 function createMessageQuote(message: string): string {
   // add `>` to each line to include empty lines in the quote
   return message.replace(/^/gm, '> ');
 }
 
 function createMessageReply(message: string): string {
   return createMessageQuote(message) + '\n\n';
 }
 
 function getMostRecentNonLocalMessageID(
   threadID: string,
   messageStore: MessageStore,
 ): ?string {
   const thread = messageStore.threads[threadID];
   return thread?.messageIDs.find(id => !id.startsWith(localIDPrefix));
 }
 
 function getOldestNonLocalMessageID(
   threadID: string,
   messageStore: MessageStore,
 ): ?string {
   const thread = messageStore.threads[threadID];
   if (!thread) {
     return thread;
   }
   const { messageIDs } = thread;
   for (let i = messageIDs.length - 1; i >= 0; i--) {
     const id = messageIDs[i];
     if (!id.startsWith(localIDPrefix)) {
       return id;
     }
   }
   return undefined;
 }
 
 function getMessageTitle(
   messageInfo:
     | ComposableMessageInfo
     | RobotextMessageInfo
     | ReactionMessageInfo
     | EditMessageInfo,
   threadInfo: ThreadInfo,
   parentThreadInfo: ?ThreadInfo,
   markdownRules: ParserRules,
 ): EntityText {
   const { messageTitle } = messageSpecs[messageInfo.type];
   if (messageTitle) {
     return messageTitle({ messageInfo, threadInfo, markdownRules });
   }
 
   invariant(
     messageInfo.type !== messageTypes.TEXT &&
       messageInfo.type !== messageTypes.IMAGES &&
       messageInfo.type !== messageTypes.MULTIMEDIA &&
       messageInfo.type !== messageTypes.REACTION &&
       messageInfo.type !== messageTypes.EDIT_MESSAGE,
     'messageTitle can only be auto-generated for RobotextMessageInfo',
   );
   return robotextForMessageInfo(messageInfo, threadInfo, parentThreadInfo);
 }
 
 function mergeThreadMessageInfos(
   first: ThreadMessageInfo,
   second: ThreadMessageInfo,
   messages: { +[id: string]: RawMessageInfo },
 ): ThreadMessageInfo {
   let firstPointer = 0;
   let secondPointer = 0;
   const mergedMessageIDs = [];
   let firstCandidate = first.messageIDs[firstPointer];
   let secondCandidate = second.messageIDs[secondPointer];
   while (firstCandidate !== undefined || secondCandidate !== undefined) {
     if (firstCandidate === undefined) {
       mergedMessageIDs.push(secondCandidate);
       secondPointer++;
     } else if (secondCandidate === undefined) {
       mergedMessageIDs.push(firstCandidate);
       firstPointer++;
     } else if (firstCandidate === secondCandidate) {
       mergedMessageIDs.push(firstCandidate);
       firstPointer++;
       secondPointer++;
     } else {
       const firstMessage = messages[firstCandidate];
       const secondMessage = messages[secondCandidate];
       invariant(
         firstMessage && secondMessage,
         'message in messageIDs not present in MessageStore',
       );
       if (
         (firstMessage.id &&
           secondMessage.id &&
           firstMessage.id === secondMessage.id) ||
         (firstMessage.localID &&
           secondMessage.localID &&
           firstMessage.localID === secondMessage.localID)
       ) {
         mergedMessageIDs.push(firstCandidate);
         firstPointer++;
         secondPointer++;
       } else if (firstMessage.time < secondMessage.time) {
         mergedMessageIDs.push(secondCandidate);
         secondPointer++;
       } else {
         mergedMessageIDs.push(firstCandidate);
         firstPointer++;
       }
     }
     firstCandidate = first.messageIDs[firstPointer];
     secondCandidate = second.messageIDs[secondPointer];
   }
   return {
     messageIDs: mergedMessageIDs,
     startReached: first.startReached && second.startReached,
   };
 }
 
 type MessagePreviewPart = {
   +text: string,
   // unread has highest contrast, followed by primary, followed by secondary
   +style: 'unread' | 'primary' | 'secondary',
 };
 export type MessagePreviewResult = {
   +message: MessagePreviewPart,
   +username: ?MessagePreviewPart,
 };
 function useMessagePreview(
   originalMessageInfo: ?MessageInfo,
   threadInfo: ThreadInfo,
   markdownRules: ParserRules,
 ): ?MessagePreviewResult {
   let messageInfo;
   if (
     originalMessageInfo &&
     originalMessageInfo.type === messageTypes.SIDEBAR_SOURCE
   ) {
     messageInfo = originalMessageInfo.sourceMessage;
   } else {
     messageInfo = originalMessageInfo;
   }
 
   const { parentThreadID } = threadInfo;
   const parentThreadInfo = useSelector(state =>
     parentThreadID ? threadInfoSelector(state)[parentThreadID] : null,
   );
 
   const hasUsername =
     threadIsGroupChat(threadInfo) ||
     threadInfo.name !== '' ||
     messageInfo?.creator.isViewer;
   const shouldDisplayUser =
     messageInfo?.type === messageTypes.TEXT && hasUsername;
 
   const stringForUser = useStringForUser(
     shouldDisplayUser ? messageInfo?.creator : null,
   );
 
   const { unread } = threadInfo.currentUser;
   const username = React.useMemo(() => {
     if (!shouldDisplayUser) {
       return null;
     }
     invariant(
       stringForUser,
       'useStringForUser should only return falsey if pass null or undefined',
     );
     return {
       text: stringForUser,
       style: unread ? 'unread' : 'secondary',
     };
   }, [shouldDisplayUser, stringForUser, unread]);
 
   const messageTitleEntityText = React.useMemo(() => {
     if (!messageInfo) {
       return messageInfo;
     }
     return getMessageTitle(
       messageInfo,
       threadInfo,
       parentThreadInfo,
       markdownRules,
     );
   }, [messageInfo, threadInfo, parentThreadInfo, markdownRules]);
 
   const threadID = threadInfo.id;
   const entityTextToStringParams = React.useMemo(
     () => ({
       threadID,
     }),
     [threadID],
   );
   const messageTitle = useEntityTextAsString(
     messageTitleEntityText,
     entityTextToStringParams,
   );
 
   const isTextMessage = messageInfo?.type === messageTypes.TEXT;
   const message = React.useMemo(() => {
     if (messageTitle === null || messageTitle === undefined) {
       return messageTitle;
     }
 
     let style;
     if (unread) {
       style = 'unread';
     } else if (isTextMessage) {
       style = 'primary';
     } else {
       style = 'secondary';
     }
 
     return { text: messageTitle, style };
   }, [messageTitle, unread, isTextMessage]);
 
   return React.useMemo(() => {
     if (!message) {
       return message;
     }
     return { message, username };
   }, [message, username]);
 }
 
 function useMessageCreationSideEffectsFunc<Info: RawMessageInfo>(
   messageType: $PropertyType<Info, 'type'>,
 ): CreationSideEffectsFunc<Info> {
   const messageSpec = messageSpecs[messageType];
   invariant(messageSpec, `we're not aware of messageType ${messageType}`);
   invariant(
     messageSpec.useCreationSideEffectsFunc,
     `no useCreationSideEffectsFunc in message spec for ${messageType}`,
   );
   return messageSpec.useCreationSideEffectsFunc();
 }
 
 function getPinnedContentFromMessage(targetMessage: RawMessageInfo): string {
   let pinnedContent;
   if (
     targetMessage.type === messageTypes.IMAGES ||
     targetMessage.type === messageTypes.MULTIMEDIA
   ) {
     pinnedContent = contentStringForMediaArray(targetMessage.media);
   } else {
     pinnedContent = 'a message';
   }
 
   return pinnedContent;
 }
 
 function modifyItemForResultScreen(
   item: ChatMessageInfoItem,
 ): ChatMessageInfoItem {
   if (item.messageInfoType === 'composable') {
     return {
       ...item,
       startsConversation: false,
       startsCluster: true,
       endsCluster: true,
       messageInfo: {
         ...item.messageInfo,
         creator: {
           ...item.messageInfo.creator,
           isViewer: false,
         },
       },
     };
   }
   return item;
 }
 
 function constructChangeRoleEntityText(
   affectedUsers: EntityText | string,
   roleName: ?string,
 ): EntityText {
   if (!roleName) {
     return ET`assigned ${affectedUsers} a new role`;
   }
 
   return ET`assigned ${affectedUsers} the "${roleName}" role`;
 }
 
 function useNextLocalID(): string {
   const nextLocalID = useSelector(state => state.nextLocalID);
   return `${localIDPrefix}${nextLocalID}`;
 }
 
 function isInvalidSidebarSource(
   message: RawMessageInfo | MessageInfo,
 ): boolean %checks {
   return (
     (message.type === messageTypes.REACTION ||
       message.type === messageTypes.EDIT_MESSAGE ||
       message.type === messageTypes.SIDEBAR_SOURCE ||
       message.type === messageTypes.TOGGLE_PIN) &&
     !messageSpecs[message.type].canBeSidebarSource
   );
 }
 
-function isInvalidPinSource(message: RawMessageInfo | MessageInfo): boolean {
-  return !messageSpecs[message.type].canBePinned;
+// Prefer checking isInvalidPinSourceForThread below. This function doesn't
+// check whether the user is attempting to pin a SIDEBAR_SOURCE in the context
+// of its parent thread, so it's not suitable for permission checks. We only
+// use it in the message-fetchers.js code where we don't have access to the
+// RawThreadInfo and don't need to do permission checks.
+function isInvalidPinSource(
+  messageInfo: RawMessageInfo | MessageInfo,
+): boolean {
+  return !messageSpecs[messageInfo.type].canBePinned;
+}
+
+function isInvalidPinSourceForThread(
+  messageInfo: RawMessageInfo | MessageInfo,
+  threadInfo: ThreadInfo,
+): boolean {
+  const isValidPinSource = !isInvalidPinSource(messageInfo);
+  const isFirstMessageInSidebar = threadInfo.sourceMessageID === messageInfo.id;
+  return !isValidPinSource || isFirstMessageInSidebar;
 }
 
 function isUnableToBeRenderedIndependently(
   message: RawMessageInfo | MessageInfo,
 ): boolean {
   return !messageSpecs[message.type].canBeRenderedIndependently;
 }
 
 export {
   localIDPrefix,
   messageKey,
   messageID,
   robotextForMessageInfo,
   createMessageInfo,
   sortMessageInfoList,
   sortMessageIDs,
   rawMessageInfoFromMessageData,
   mostRecentMessageTimestamp,
   usersInMessageInfos,
   combineTruncationStatuses,
   shimUnsupportedRawMessageInfos,
   createMediaMessageData,
   createMediaMessageInfo,
   stripLocalIDs,
   trimMessage,
   createMessageQuote,
   createMessageReply,
   getMostRecentNonLocalMessageID,
   getOldestNonLocalMessageID,
   getMessageTitle,
   mergeThreadMessageInfos,
   useMessagePreview,
   useMessageCreationSideEffectsFunc,
   getPinnedContentFromMessage,
   modifyItemForResultScreen,
   constructChangeRoleEntityText,
   useNextLocalID,
   isInvalidSidebarSource,
   isInvalidPinSource,
+  isInvalidPinSourceForThread,
   isUnableToBeRenderedIndependently,
 };
diff --git a/lib/utils/toggle-pin-utils.js b/lib/utils/toggle-pin-utils.js
new file mode 100644
index 000000000..59ba2ca8d
--- /dev/null
+++ b/lib/utils/toggle-pin-utils.js
@@ -0,0 +1,25 @@
+// @flow
+
+import { isInvalidPinSourceForThread } from '../shared/message-utils.js';
+import { threadHasPermission } from '../shared/thread-utils.js';
+import type {
+  ComposableMessageInfo,
+  RobotextMessageInfo,
+} from '../types/message-types.js';
+import { threadPermissions } from '../types/thread-permission-types.js';
+import type { ThreadInfo } from '../types/thread-types.js';
+
+function canToggleMessagePin(
+  messageInfo: ComposableMessageInfo | RobotextMessageInfo,
+  threadInfo: ThreadInfo,
+): boolean {
+  const isValidMessage = !isInvalidPinSourceForThread(messageInfo, threadInfo);
+  const hasManagePinsPermission = threadHasPermission(
+    threadInfo,
+    threadPermissions.MANAGE_PINS,
+  );
+
+  return isValidMessage && hasManagePinsPermission;
+}
+
+export { canToggleMessagePin };
diff --git a/native/chat/message-results-screen.react.js b/native/chat/message-results-screen.react.js
index c3817d0a9..b97f932c4 100644
--- a/native/chat/message-results-screen.react.js
+++ b/native/chat/message-results-screen.react.js
@@ -1,181 +1,181 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 import { View } from 'react-native';
 import { ScrollView } from 'react-native-gesture-handler';
 
 import { fetchPinnedMessages } from 'lib/actions/message-actions.js';
 import { messageListData } from 'lib/selectors/chat-selectors.js';
 import {
   createMessageInfo,
-  isInvalidPinSource,
+  isInvalidPinSourceForThread,
 } from 'lib/shared/message-utils.js';
 import type { ThreadInfo } from 'lib/types/thread-types.js';
 import { useServerCall } from 'lib/utils/action-utils.js';
 
 import { useHeightMeasurer } from './chat-context.js';
 import type { ChatNavigationProp } from './chat.react';
 import MessageResult from './message-result.react.js';
 import type { NavigationRoute } from '../navigation/route-names';
 import { useSelector } from '../redux/redux-utils.js';
 import { useStyles } from '../themes/colors.js';
 import type { ChatMessageItemWithHeight } from '../types/chat-types.js';
 
 export type MessageResultsScreenParams = {
   +threadInfo: ThreadInfo,
 };
 
 type MessageResultsScreenProps = {
   +navigation: ChatNavigationProp<'MessageResultsScreen'>,
   +route: NavigationRoute<'MessageResultsScreen'>,
 };
 
 function MessageResultsScreen(props: MessageResultsScreenProps): React.Node {
   const { navigation, route } = props;
   const { threadInfo } = route.params;
   const styles = useStyles(unboundStyles);
   const { id: threadID } = threadInfo;
   const [rawMessageResults, setRawMessageResults] = React.useState([]);
 
   const measureMessages = useHeightMeasurer();
   const [measuredMessages, setMeasuredMessages] = React.useState([]);
 
   const [messageVerticalBounds, setMessageVerticalBounds] = React.useState();
   const scrollViewContainerRef = React.useRef();
 
   const callFetchPinnedMessages = useServerCall(fetchPinnedMessages);
   const userInfos = useSelector(state => state.userStore.userInfos);
 
   React.useEffect(() => {
     (async () => {
       const result = await callFetchPinnedMessages({ threadID });
       setRawMessageResults(result.pinnedMessages);
     })();
   }, [callFetchPinnedMessages, threadID]);
 
   const translatedMessageResults = React.useMemo(() => {
     const threadInfos = { [threadID]: threadInfo };
 
     return rawMessageResults
       .map(messageInfo =>
         createMessageInfo(messageInfo, null, userInfos, threadInfos),
       )
       .filter(Boolean);
   }, [rawMessageResults, userInfos, threadID, threadInfo]);
 
   const chatMessageInfos = useSelector(
     messageListData(threadInfo.id, translatedMessageResults),
   );
 
   const sortedUniqueChatMessageInfoItems = React.useMemo(() => {
     if (!chatMessageInfos) {
       return [];
     }
 
     const chatMessageInfoItems = chatMessageInfos.filter(
       item =>
         item.itemType === 'message' &&
         item.isPinned &&
-        !isInvalidPinSource(item.messageInfo),
+        !isInvalidPinSourceForThread(item.messageInfo, threadInfo),
     );
 
     // By the nature of using messageListData and passing in
     // the desired translatedMessageResults as additional
     // messages, we will have duplicate ChatMessageInfoItems.
     const uniqueChatMessageInfoItemsMap = new Map();
     chatMessageInfoItems.forEach(
       item =>
         item.messageInfo &&
         item.messageInfo.id &&
         uniqueChatMessageInfoItemsMap.set(item.messageInfo.id, item),
     );
 
     // Push the items in the order they appear in the rawMessageResults
     // since the messages fetched from the server are already sorted
     // in the order of pin_time (newest first).
     const sortedChatMessageInfoItems = [];
     for (let i = 0; i < rawMessageResults.length; i++) {
       sortedChatMessageInfoItems.push(
         uniqueChatMessageInfoItemsMap.get(rawMessageResults[i].id),
       );
     }
 
     return sortedChatMessageInfoItems.filter(Boolean);
-  }, [chatMessageInfos, rawMessageResults]);
+  }, [chatMessageInfos, rawMessageResults, threadInfo]);
 
   const measureCallback = React.useCallback(
     (listDataWithHeights: $ReadOnlyArray<ChatMessageItemWithHeight>) => {
       setMeasuredMessages(listDataWithHeights);
     },
     [],
   );
 
   React.useEffect(() => {
     measureMessages(
       sortedUniqueChatMessageInfoItems,
       threadInfo,
       measureCallback,
     );
   }, [
     measureCallback,
     measureMessages,
     sortedUniqueChatMessageInfoItems,
     threadInfo,
   ]);
 
   const onLayout = React.useCallback(() => {
     scrollViewContainerRef.current?.measure(
       (x, y, width, height, pageX, pageY) => {
         if (
           height === null ||
           height === undefined ||
           pageY === null ||
           pageY === undefined
         ) {
           return;
         }
 
         setMessageVerticalBounds({ height, y: pageY });
       },
     );
   }, []);
 
   const messageResultsToDisplay = React.useMemo(
     () =>
       measuredMessages.map(item => {
         invariant(item.itemType !== 'loader', 'should not be loader');
 
         return (
           <MessageResult
             key={item.messageInfo.id}
             item={item}
             threadInfo={threadInfo}
             navigation={navigation}
             route={route}
             messageVerticalBounds={messageVerticalBounds}
             scrollable={false}
           />
         );
       }),
     [measuredMessages, threadInfo, navigation, route, messageVerticalBounds],
   );
 
   return (
     <View
       ref={scrollViewContainerRef}
       onLayout={onLayout}
       style={styles.scrollViewContainer}
     >
       <ScrollView>{messageResultsToDisplay}</ScrollView>
     </View>
   );
 }
 
 const unboundStyles = {
   scrollViewContainer: {
     flex: 1,
   },
 };
 
 export default MessageResultsScreen;
diff --git a/native/chat/message.react.js b/native/chat/message.react.js
index 8bd887b36..c82675764 100644
--- a/native/chat/message.react.js
+++ b/native/chat/message.react.js
@@ -1,153 +1,162 @@
 // @flow
 
 import * as React from 'react';
 import {
   LayoutAnimation,
   TouchableWithoutFeedback,
   PixelRatio,
 } from 'react-native';
 
 import { messageKey } from 'lib/shared/message-utils.js';
+import { canToggleMessagePin } from 'lib/utils/toggle-pin-utils.js';
 
 import type { ChatNavigationProp } from './chat.react.js';
 import MultimediaMessage from './multimedia-message.react.js';
 import { RobotextMessage } from './robotext-message.react.js';
 import { TextMessage } from './text-message.react.js';
 import { messageItemHeight } from './utils.js';
 import { KeyboardContext } from '../keyboard/keyboard-state.js';
 import type { AppNavigationProp } from '../navigation/app-navigator.react';
 import type { NavigationRoute } from '../navigation/route-names.js';
 import type { ChatMessageInfoItemWithHeight } from '../types/chat-types.js';
 import { type VerticalBounds } from '../types/layout-types.js';
 import type { LayoutEvent } from '../types/react-native.js';
 
 type Props = {
   +item: ChatMessageInfoItemWithHeight,
   +focused: boolean,
   +navigation:
     | ChatNavigationProp<'MessageList'>
     | AppNavigationProp<'TogglePinModal'>
     | ChatNavigationProp<'MessageResultsScreen'>
     | ChatNavigationProp<'MessageSearch'>,
   +route:
     | NavigationRoute<'MessageList'>
     | NavigationRoute<'TogglePinModal'>
     | NavigationRoute<'MessageResultsScreen'>
     | NavigationRoute<'MessageSearch'>,
   +toggleFocus: (messageKey: string) => void,
   +verticalBounds: ?VerticalBounds,
   shouldDisplayPinIndicator: boolean,
 };
 function Message(props: Props): React.Node {
   const {
     focused,
     item,
     navigation,
     route,
     toggleFocus,
     verticalBounds,
     shouldDisplayPinIndicator,
   } = props;
 
   const focusedOrStartsConversation = focused || item.startsConversation;
   React.useEffect(() => {
     LayoutAnimation.easeInEaseOut();
   }, [focusedOrStartsConversation]);
 
   const keyboardState = React.useContext(KeyboardContext);
   const dismissKeyboard = keyboardState?.dismissKeyboard;
   const onMessagePress = React.useCallback(
     () => dismissKeyboard?.(),
     [dismissKeyboard],
   );
 
   const onLayout = React.useCallback(
     (event: LayoutEvent) => {
       if (focused) {
         return;
       }
 
       const measuredHeight = event.nativeEvent.layout.height;
       const expectedHeight = messageItemHeight(item);
 
       const pixelRatio = 1 / PixelRatio.get();
       const distance = Math.abs(measuredHeight - expectedHeight);
       if (distance < pixelRatio) {
         return;
       }
 
       const approxMeasuredHeight = Math.round(measuredHeight * 100) / 100;
       const approxExpectedHeight = Math.round(expectedHeight * 100) / 100;
 
       console.log(
         `Message height for ${item.messageShapeType} ` +
           `${messageKey(item.messageInfo)} was expected to be ` +
           `${approxExpectedHeight} but is actually ${approxMeasuredHeight}. ` +
           "This means MessageList's FlatList isn't getting the right item " +
           'height for some of its nodes, which is guaranteed to cause glitchy ' +
           'behavior. Please investigate!!',
       );
     },
     [focused, item],
   );
 
+  const canTogglePins = React.useMemo(
+    () => canToggleMessagePin(props.item.messageInfo, props.item.threadInfo),
+    [props.item.messageInfo, props.item.threadInfo],
+  );
+
   const innerMessageNode = React.useMemo(() => {
     if (item.messageShapeType === 'text') {
       return (
         <TextMessage
           item={item}
           navigation={navigation}
           route={route}
           focused={focused}
           toggleFocus={toggleFocus}
           verticalBounds={verticalBounds}
+          canTogglePins={canTogglePins}
           shouldDisplayPinIndicator={shouldDisplayPinIndicator}
         />
       );
     } else if (item.messageShapeType === 'multimedia') {
       return (
         <MultimediaMessage
           item={item}
           focused={focused}
           toggleFocus={toggleFocus}
           verticalBounds={verticalBounds}
+          canTogglePins={canTogglePins}
           shouldDisplayPinIndicator={shouldDisplayPinIndicator}
         />
       );
     } else {
       return (
         <RobotextMessage
           item={item}
           navigation={navigation}
           route={route}
           focused={focused}
           toggleFocus={toggleFocus}
           verticalBounds={verticalBounds}
         />
       );
     }
   }, [
     focused,
     item,
     navigation,
     route,
     shouldDisplayPinIndicator,
     toggleFocus,
     verticalBounds,
+    canTogglePins,
   ]);
 
   const message = React.useMemo(
     () => (
       <TouchableWithoutFeedback
         onPress={onMessagePress}
         onLayout={__DEV__ ? onLayout : undefined}
       >
         {innerMessageNode}
       </TouchableWithoutFeedback>
     ),
     [innerMessageNode, onLayout, onMessagePress],
   );
   return message;
 }
 
 export default Message;
diff --git a/native/chat/multimedia-message.react.js b/native/chat/multimedia-message.react.js
index 7cea6cde2..c64913281 100644
--- a/native/chat/multimedia-message.react.js
+++ b/native/chat/multimedia-message.react.js
@@ -1,266 +1,254 @@
 // @flow
 
 import type {
   LeafRoute,
   NavigationProp,
   ParamListBase,
 } from '@react-navigation/native';
 import { useNavigation, useRoute } from '@react-navigation/native';
 import * as React from 'react';
 import { View } from 'react-native';
 
-import { isInvalidPinSource, messageKey } from 'lib/shared/message-utils.js';
-import {
-  threadHasPermission,
-  useCanCreateSidebarFromMessage,
-} from 'lib/shared/thread-utils.js';
+import { messageKey } from 'lib/shared/message-utils.js';
+import { useCanCreateSidebarFromMessage } from 'lib/shared/thread-utils.js';
 import type { MediaInfo } from 'lib/types/media-types.js';
-import { threadPermissions } from 'lib/types/thread-permission-types.js';
 
 import ComposedMessage from './composed-message.react.js';
 import { InnerMultimediaMessage } from './inner-multimedia-message.react.js';
 import {
   getMediaKey,
   multimediaMessageSendFailed,
 } from './multimedia-message-utils.js';
 import { getMessageTooltipKey } from './utils.js';
 import { ChatContext, type ChatContextType } from '../chat/chat-context.js';
 import { OverlayContext } from '../navigation/overlay-context.js';
 import type { OverlayContextType } from '../navigation/overlay-context.js';
 import {
   ImageModalRouteName,
   MultimediaMessageTooltipModalRouteName,
   VideoPlaybackModalRouteName,
 } from '../navigation/route-names.js';
 import { fixedTooltipHeight } from '../tooltip/tooltip.react.js';
 import type { ChatMultimediaMessageInfoItem } from '../types/chat-types.js';
 import type {
   VerticalBounds,
   LayoutCoordinates,
 } from '../types/layout-types.js';
 
 type BaseProps = {
   ...React.ElementConfig<typeof View>,
   +item: ChatMultimediaMessageInfoItem,
   +focused: boolean,
   +toggleFocus: (messageKey: string) => void,
   +verticalBounds: ?VerticalBounds,
+  +canTogglePins: boolean,
   +shouldDisplayPinIndicator: boolean,
 };
 type Props = {
   ...BaseProps,
   +navigation: NavigationProp<ParamListBase>,
   +route: LeafRoute<>,
   +overlayContext: ?OverlayContextType,
   +chatContext: ?ChatContextType,
   +canCreateSidebarFromMessage: boolean,
-  +canTogglePins: boolean,
 };
 type State = {
   +clickable: boolean,
 };
 class MultimediaMessage extends React.PureComponent<Props, State> {
   state: State = {
     clickable: true,
   };
   view: ?React.ElementRef<typeof View>;
 
   setClickable = (clickable: boolean) => {
     this.setState({ clickable });
   };
 
   onPressMultimedia = (
     mediaInfo: MediaInfo,
     initialCoordinates: LayoutCoordinates,
   ) => {
     const { navigation, item, route, verticalBounds } = this.props;
     navigation.navigate<'VideoPlaybackModal' | 'ImageModal'>({
       name:
         mediaInfo.type === 'video' || mediaInfo.type === 'encrypted_video'
           ? VideoPlaybackModalRouteName
           : ImageModalRouteName,
       key: getMediaKey(item, mediaInfo),
       params: {
         presentedFrom: route.key,
         mediaInfo,
         item,
         initialCoordinates,
         verticalBounds,
       },
     });
   };
 
   visibleEntryIDs() {
     const result = [];
 
     if (this.props.canTogglePins) {
       this.props.item.isPinned ? result.push('unpin') : result.push('pin');
     }
 
     if (
       this.props.item.threadCreatedFromMessage ||
       this.props.canCreateSidebarFromMessage
     ) {
       result.push('sidebar');
     }
 
     if (!this.props.item.messageInfo.creator.isViewer) {
       result.push('report');
     }
 
     return result;
   }
 
   onLayout = () => {};
 
   viewRef = (view: ?React.ElementRef<typeof View>) => {
     this.view = view;
   };
 
   onLongPress = () => {
     const visibleEntryIDs = this.visibleEntryIDs();
     if (visibleEntryIDs.length === 0) {
       return;
     }
 
     const {
       view,
       props: { verticalBounds },
     } = this;
     if (!view || !verticalBounds) {
       return;
     }
 
     if (!this.state.clickable) {
       return;
     }
     this.setClickable(false);
 
     const { item } = this.props;
     if (!this.props.focused) {
       this.props.toggleFocus(messageKey(item.messageInfo));
     }
 
     this.props.overlayContext?.setScrollBlockingModalStatus('open');
 
     view.measure((x, y, width, height, pageX, pageY) => {
       const coordinates = { x: pageX, y: pageY, width, height };
 
       const multimediaTop = pageY;
       const multimediaBottom = pageY + height;
       const boundsTop = verticalBounds.y;
       const boundsBottom = verticalBounds.y + verticalBounds.height;
 
       const belowMargin = 20;
       const belowSpace = fixedTooltipHeight + belowMargin;
       const { isViewer } = item.messageInfo.creator;
       const aboveMargin = isViewer ? 30 : 50;
       const aboveSpace = fixedTooltipHeight + aboveMargin;
 
       let margin = belowMargin;
       if (
         multimediaBottom + belowSpace > boundsBottom &&
         multimediaTop - aboveSpace > boundsTop
       ) {
         margin = aboveMargin;
       }
 
       const currentInputBarHeight =
         this.props.chatContext?.chatInputBarHeights.get(item.threadInfo.id) ??
         0;
 
       this.props.navigation.navigate<'MultimediaMessageTooltipModal'>({
         name: MultimediaMessageTooltipModalRouteName,
         params: {
           presentedFrom: this.props.route.key,
           item,
           initialCoordinates: coordinates,
           verticalBounds,
           tooltipLocation: 'fixed',
           margin,
           visibleEntryIDs,
           chatInputBarHeight: currentInputBarHeight,
         },
         key: getMessageTooltipKey(item),
       });
     });
   };
 
   canNavigateToSidebar() {
     return (
       this.props.item.threadCreatedFromMessage ||
       this.props.canCreateSidebarFromMessage
     );
   }
 
   render() {
     const {
       item,
       focused,
       toggleFocus,
       verticalBounds,
       shouldDisplayPinIndicator,
       navigation,
       route,
       overlayContext,
       chatContext,
       canCreateSidebarFromMessage,
       canTogglePins,
       ...viewProps
     } = this.props;
     return (
       <ComposedMessage
         item={item}
         sendFailed={multimediaMessageSendFailed(item)}
         focused={focused}
         swipeOptions={this.canNavigateToSidebar() ? 'sidebar' : 'none'}
         shouldDisplayPinIndicator={shouldDisplayPinIndicator}
         {...viewProps}
       >
         <View onLayout={this.onLayout} ref={this.viewRef}>
           <InnerMultimediaMessage
             item={item}
             verticalBounds={verticalBounds}
             onPressMultimedia={this.onPressMultimedia}
             clickable={this.state.clickable}
             setClickable={this.setClickable}
             onLongPress={this.onLongPress}
           />
         </View>
       </ComposedMessage>
     );
   }
 }
 
 const ConnectedMultimediaMessage: React.ComponentType<BaseProps> =
   React.memo<BaseProps>(function ConnectedMultimediaMessage(props: BaseProps) {
     const navigation = useNavigation();
     const route = useRoute();
     const overlayContext = React.useContext(OverlayContext);
     const chatContext = React.useContext(ChatContext);
     const canCreateSidebarFromMessage = useCanCreateSidebarFromMessage(
       props.item.threadInfo,
       props.item.messageInfo,
     );
-    const canTogglePins =
-      !isInvalidPinSource(props.item.messageInfo) &&
-      threadHasPermission(
-        props.item.threadInfo,
-        threadPermissions.MANAGE_PINS,
-      ) &&
-      props.item.threadInfo.sourceMessageID !== props.item.messageInfo.id;
 
     return (
       <MultimediaMessage
         {...props}
         navigation={navigation}
         route={route}
         overlayContext={overlayContext}
         chatContext={chatContext}
         canCreateSidebarFromMessage={canCreateSidebarFromMessage}
-        canTogglePins={canTogglePins}
       />
     );
   });
 
 export default ConnectedMultimediaMessage;
diff --git a/native/chat/text-message.react.js b/native/chat/text-message.react.js
index e5cf12c85..d4420e6d1 100644
--- a/native/chat/text-message.react.js
+++ b/native/chat/text-message.react.js
@@ -1,318 +1,309 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 import { View } from 'react-native';
 
-import { isInvalidPinSource, messageKey } from 'lib/shared/message-utils.js';
+import { messageKey } from 'lib/shared/message-utils.js';
 import {
   threadHasPermission,
   useCanCreateSidebarFromMessage,
 } from 'lib/shared/thread-utils.js';
 import { threadPermissions } from 'lib/types/thread-permission-types.js';
 
 import type { ChatNavigationProp } from './chat.react.js';
 import ComposedMessage from './composed-message.react.js';
 import { InnerTextMessage } from './inner-text-message.react.js';
 import { MessageEditingContext } from './message-editing-context.react.js';
 import {
   MessagePressResponderContext,
   type MessagePressResponderContextType,
 } from './message-press-responder-context.js';
 import textMessageSendFailed from './text-message-send-failed.js';
 import { getMessageTooltipKey } from './utils.js';
 import { ChatContext, type ChatContextType } from '../chat/chat-context.js';
 import { MarkdownContext } from '../markdown/markdown-context.js';
 import type { AppNavigationProp } from '../navigation/app-navigator.react';
 import { useCanEditMessageNative } from '../navigation/nav-selectors.js';
 import {
   OverlayContext,
   type OverlayContextType,
 } from '../navigation/overlay-context.js';
 import { TextMessageTooltipModalRouteName } from '../navigation/route-names.js';
 import type { NavigationRoute } from '../navigation/route-names.js';
 import { fixedTooltipHeight } from '../tooltip/tooltip.react.js';
 import type { ChatTextMessageInfoItemWithHeight } from '../types/chat-types.js';
 import type { VerticalBounds } from '../types/layout-types.js';
 
 type BaseProps = {
   ...React.ElementConfig<typeof View>,
   +item: ChatTextMessageInfoItemWithHeight,
   +navigation:
     | ChatNavigationProp<'MessageList'>
     | AppNavigationProp<'TogglePinModal'>
     | ChatNavigationProp<'MessageResultsScreen'>
     | ChatNavigationProp<'MessageSearch'>,
   +route:
     | NavigationRoute<'MessageList'>
     | NavigationRoute<'TogglePinModal'>
     | NavigationRoute<'MessageResultsScreen'>
     | NavigationRoute<'MessageSearch'>,
   +focused: boolean,
   +toggleFocus: (messageKey: string) => void,
   +verticalBounds: ?VerticalBounds,
+  +canTogglePins: boolean,
   +shouldDisplayPinIndicator: boolean,
 };
 type Props = {
   ...BaseProps,
   // Redux state
   +canCreateSidebarFromMessage: boolean,
   // withOverlayContext
   +overlayContext: ?OverlayContextType,
   // ChatContext
   +chatContext: ?ChatContextType,
   // MarkdownContext
   +isLinkModalActive: boolean,
   +isUserProfileBottomSheetActive: boolean,
   +canEditMessage: boolean,
-  +canTogglePins: boolean,
 };
 class TextMessage extends React.PureComponent<Props> {
   message: ?React.ElementRef<typeof View>;
   messagePressResponderContext: MessagePressResponderContextType;
 
   constructor(props: Props) {
     super(props);
     this.messagePressResponderContext = {
       onPressMessage: this.onPress,
     };
   }
 
   render() {
     const {
       item,
       navigation,
       route,
       focused,
       toggleFocus,
       verticalBounds,
       shouldDisplayPinIndicator,
       overlayContext,
       chatContext,
       isLinkModalActive,
       isUserProfileBottomSheetActive,
       canCreateSidebarFromMessage,
       canEditMessage,
       canTogglePins,
       ...viewProps
     } = this.props;
 
     let swipeOptions = 'none';
     const canReply = this.canReply();
     const canNavigateToSidebar = this.canNavigateToSidebar();
     if (isLinkModalActive) {
       swipeOptions = 'none';
     } else if (canReply && canNavigateToSidebar) {
       swipeOptions = 'both';
     } else if (canReply) {
       swipeOptions = 'reply';
     } else if (canNavigateToSidebar) {
       swipeOptions = 'sidebar';
     }
 
     return (
       <MessagePressResponderContext.Provider
         value={this.messagePressResponderContext}
       >
         <ComposedMessage
           item={item}
           sendFailed={textMessageSendFailed(item)}
           focused={focused}
           swipeOptions={swipeOptions}
           shouldDisplayPinIndicator={shouldDisplayPinIndicator}
           {...viewProps}
         >
           <InnerTextMessage
             item={item}
             onPress={this.onPress}
             messageRef={this.messageRef}
           />
         </ComposedMessage>
       </MessagePressResponderContext.Provider>
     );
   }
 
   messageRef = (message: ?React.ElementRef<typeof View>) => {
     this.message = message;
   };
 
   canReply() {
     return threadHasPermission(
       this.props.item.threadInfo,
       threadPermissions.VOICED,
     );
   }
 
   canNavigateToSidebar() {
     return (
       this.props.item.threadCreatedFromMessage ||
       this.props.canCreateSidebarFromMessage
     );
   }
 
   visibleEntryIDs() {
     const result = ['copy'];
 
     if (this.canReply()) {
       result.push('reply');
     }
 
     if (this.props.canEditMessage) {
       result.push('edit');
     }
 
     if (this.props.canTogglePins) {
       this.props.item.isPinned ? result.push('unpin') : result.push('pin');
     }
 
     if (
       this.props.item.threadCreatedFromMessage ||
       this.props.canCreateSidebarFromMessage
     ) {
       result.push('sidebar');
     }
 
     if (!this.props.item.messageInfo.creator.isViewer) {
       result.push('report');
     }
 
     return result;
   }
 
   onPress = () => {
     const visibleEntryIDs = this.visibleEntryIDs();
     if (visibleEntryIDs.length === 0) {
       return;
     }
 
     const {
       message,
       props: {
         verticalBounds,
         isLinkModalActive,
         isUserProfileBottomSheetActive,
       },
     } = this;
 
     if (
       !message ||
       !verticalBounds ||
       isLinkModalActive ||
       isUserProfileBottomSheetActive
     ) {
       return;
     }
 
     const { focused, toggleFocus, item } = this.props;
     if (!focused) {
       toggleFocus(messageKey(item.messageInfo));
     }
 
     const { overlayContext } = this.props;
     invariant(overlayContext, 'TextMessage should have OverlayContext');
     overlayContext.setScrollBlockingModalStatus('open');
 
     message.measure((x, y, width, height, pageX, pageY) => {
       const coordinates = { x: pageX, y: pageY, width, height };
 
       const messageTop = pageY;
       const messageBottom = pageY + height;
       const boundsTop = verticalBounds.y;
       const boundsBottom = verticalBounds.y + verticalBounds.height;
 
       const belowMargin = 20;
       const belowSpace = fixedTooltipHeight + belowMargin;
       const { isViewer } = item.messageInfo.creator;
       const aboveMargin = isViewer ? 30 : 50;
       const aboveSpace = fixedTooltipHeight + aboveMargin;
 
       let margin = belowMargin;
       if (
         messageBottom + belowSpace > boundsBottom &&
         messageTop - aboveSpace > boundsTop
       ) {
         margin = aboveMargin;
       }
 
       const currentInputBarHeight =
         this.props.chatContext?.chatInputBarHeights.get(item.threadInfo.id) ??
         0;
 
       this.props.navigation.navigate<'TextMessageTooltipModal'>({
         name: TextMessageTooltipModalRouteName,
         params: {
           presentedFrom: this.props.route.key,
           initialCoordinates: coordinates,
           verticalBounds,
           visibleEntryIDs,
           tooltipLocation: 'fixed',
           margin,
           item,
           chatInputBarHeight: currentInputBarHeight,
         },
         key: getMessageTooltipKey(item),
       });
     });
   };
 }
 
 const ConnectedTextMessage: React.ComponentType<BaseProps> =
   React.memo<BaseProps>(function ConnectedTextMessage(props: BaseProps) {
     const overlayContext = React.useContext(OverlayContext);
     const chatContext = React.useContext(ChatContext);
     const markdownContext = React.useContext(MarkdownContext);
     invariant(markdownContext, 'markdownContext should be set');
 
     const {
       linkModalActive,
       userProfileBottomSheetActive,
       clearMarkdownContextData,
     } = markdownContext;
 
     const key = messageKey(props.item.messageInfo);
 
     // We check if there is an key in the object - if not, we
     // default to false. The likely situation where the former statement
     // evaluates to null is when the thread is opened for the first time.
     const isLinkModalActive = linkModalActive[key] ?? false;
     const isUserProfileBottomSheetActive =
       userProfileBottomSheetActive[key] ?? false;
 
     const canCreateSidebarFromMessage = useCanCreateSidebarFromMessage(
       props.item.threadInfo,
       props.item.messageInfo,
     );
 
     const messageEditingContext = React.useContext(MessageEditingContext);
     const editMessageID = messageEditingContext?.editState.editedMessage?.id;
     const isThisMessageEdited = editMessageID === props.item.messageInfo.id;
 
     const canEditMessage =
       useCanEditMessageNative(props.item.threadInfo, props.item.messageInfo) &&
       !isThisMessageEdited;
 
-    const canTogglePins =
-      !isInvalidPinSource(props.item.messageInfo) &&
-      threadHasPermission(
-        props.item.threadInfo,
-        threadPermissions.MANAGE_PINS,
-      ) &&
-      props.item.threadInfo.sourceMessageID !== props.item.messageInfo.id;
-
     React.useEffect(() => clearMarkdownContextData, [clearMarkdownContextData]);
 
     return (
       <TextMessage
         {...props}
         canCreateSidebarFromMessage={canCreateSidebarFromMessage}
         overlayContext={overlayContext}
         chatContext={chatContext}
         isLinkModalActive={isLinkModalActive}
         isUserProfileBottomSheetActive={isUserProfileBottomSheetActive}
         canEditMessage={canEditMessage}
-        canTogglePins={canTogglePins}
       />
     );
   });
 
 export { ConnectedTextMessage as TextMessage };
diff --git a/web/modals/chat/message-results-modal.react.js b/web/modals/chat/message-results-modal.react.js
index 8266086c3..0fe3ef393 100644
--- a/web/modals/chat/message-results-modal.react.js
+++ b/web/modals/chat/message-results-modal.react.js
@@ -1,152 +1,152 @@
 // @flow
 
 import * as React from 'react';
 
 import {
   fetchPinnedMessages,
   fetchPinnedMessageActionTypes,
 } from 'lib/actions/message-actions.js';
 import { useModalContext } from 'lib/components/modal-provider.react.js';
 import { messageListData } from 'lib/selectors/chat-selectors.js';
 import { createLoadingStatusSelector } from 'lib/selectors/loading-selectors.js';
 import {
   createMessageInfo,
-  isInvalidPinSource,
+  isInvalidPinSourceForThread,
   modifyItemForResultScreen,
 } from 'lib/shared/message-utils.js';
 import { type ThreadInfo } from 'lib/types/thread-types.js';
 import {
   useServerCall,
   useDispatchActionPromise,
 } from 'lib/utils/action-utils.js';
 
 import css from './message-results-modal.css';
 import MessageResult from '../../components/message-result.react.js';
 import LoadingIndicator from '../../loading-indicator.react.js';
 import { useSelector } from '../../redux/redux-utils.js';
 import Modal from '../modal.react.js';
 
 type MessageResultsModalProps = {
   +threadInfo: ThreadInfo,
   +modalName: string,
 };
 
 const loadingStatusSelector = createLoadingStatusSelector(
   fetchPinnedMessageActionTypes,
 );
 
 function MessageResultsModal(props: MessageResultsModalProps): React.Node {
   const { threadInfo, modalName } = props;
   const { id: threadID } = threadInfo;
   const { popModal } = useModalContext();
   const [rawMessageResults, setRawMessageResults] = React.useState([]);
 
   const callFetchPinnedMessages = useServerCall(fetchPinnedMessages);
   const dispatchActionPromise = useDispatchActionPromise();
 
   const userInfos = useSelector(state => state.userStore.userInfos);
   const loadingStatus = useSelector(loadingStatusSelector);
 
   React.useEffect(() => {
     dispatchActionPromise(
       fetchPinnedMessageActionTypes,
       (async () => {
         const result = await callFetchPinnedMessages({ threadID });
         setRawMessageResults(result.pinnedMessages);
       })(),
     );
   }, [dispatchActionPromise, callFetchPinnedMessages, threadID]);
 
   const translatedMessageResults = React.useMemo(() => {
     const threadInfos = { [threadID]: threadInfo };
 
     return rawMessageResults
       .map(messageInfo =>
         createMessageInfo(messageInfo, null, userInfos, threadInfos),
       )
       .filter(Boolean);
   }, [rawMessageResults, userInfos, threadID, threadInfo]);
 
   const chatMessageInfos = useSelector(
     messageListData(threadInfo.id, translatedMessageResults),
   );
 
   const sortedUniqueChatMessageInfoItems = React.useMemo(() => {
     if (!chatMessageInfos) {
       return [];
     }
 
     const chatMessageInfoItems = chatMessageInfos.filter(
       item =>
         item.itemType === 'message' &&
         item.isPinned &&
-        !isInvalidPinSource(item.messageInfo),
+        !isInvalidPinSourceForThread(item.messageInfo, threadInfo),
     );
 
     // By the nature of using messageListData and passing in
     // the desired translatedMessageResults as additional
     // messages, we will have duplicate ChatMessageInfoItems.
     const uniqueChatMessageInfoItemsMap = new Map();
     chatMessageInfoItems.forEach(
       item =>
         item.messageInfo &&
         item.messageInfo.id &&
         uniqueChatMessageInfoItemsMap.set(item.messageInfo.id, item),
     );
 
     // Push the items in the order they appear in the rawMessageResults
     // since the messages fetched from the server are already sorted
     // in the order of pin_time (newest first).
     const sortedChatMessageInfoItems = [];
     for (let i = 0; i < rawMessageResults.length; i++) {
       sortedChatMessageInfoItems.push(
         uniqueChatMessageInfoItemsMap.get(rawMessageResults[i].id),
       );
     }
 
     return sortedChatMessageInfoItems;
-  }, [chatMessageInfos, rawMessageResults]);
+  }, [chatMessageInfos, rawMessageResults, threadInfo]);
 
   const modifiedItems = React.useMemo(
     () =>
       sortedUniqueChatMessageInfoItems
         .filter(Boolean)
         .map(item => modifyItemForResultScreen(item)),
     [sortedUniqueChatMessageInfoItems],
   );
 
   const messageResultsToDisplay = React.useMemo(() => {
     const items = modifiedItems.map(item => (
       <MessageResult
         key={item.messageInfo.id}
         item={item}
         threadInfo={threadInfo}
         scrollable={false}
       />
     ));
     return <>{items}</>;
   }, [modifiedItems, threadInfo]);
 
   const loadingIndicator = React.useMemo(() => {
     if (loadingStatus === 'loading') {
       return (
         <div className={css.loadingIndicator}>
           <LoadingIndicator status="loading" size="medium" />
         </div>
       );
     }
     return null;
   }, [loadingStatus]);
 
   return (
     <Modal name={modalName} onClose={popModal} size="large">
       <hr className={css.separator} />
       <div className={css.topSpace}>{loadingIndicator}</div>
       <div className={css.messageResultsContainer}>
         {messageResultsToDisplay}
       </div>
     </Modal>
   );
 }
 
 export default MessageResultsModal;
diff --git a/web/utils/tooltip-action-utils.js b/web/utils/tooltip-action-utils.js
index 1e43f84e0..537de1a4e 100644
--- a/web/utils/tooltip-action-utils.js
+++ b/web/utils/tooltip-action-utils.js
@@ -1,490 +1,485 @@
 // @flow
 
 import invariant from 'invariant';
 import * as React from 'react';
 
 import { useModalContext } from 'lib/components/modal-provider.react.js';
 import { useResettingState } from 'lib/hooks/use-resetting-state.js';
 import type {
   ReactionInfo,
   ChatMessageInfoItem,
 } from 'lib/selectors/chat-selectors.js';
 import { useCanEditMessage } from 'lib/shared/edit-messages-utils.js';
-import {
-  createMessageReply,
-  isInvalidPinSource,
-} from 'lib/shared/message-utils.js';
+import { createMessageReply } from 'lib/shared/message-utils.js';
 import { useCanCreateReactionFromMessage } from 'lib/shared/reaction-utils.js';
 import {
   threadHasPermission,
   useSidebarExistsOrCanBeCreated,
 } from 'lib/shared/thread-utils.js';
 import { messageTypes } from 'lib/types/message-types-enum.js';
 import { threadPermissions } from 'lib/types/thread-permission-types.js';
 import type { ThreadInfo } from 'lib/types/thread-types.js';
 import { longAbsoluteDate } from 'lib/utils/date-utils.js';
+import { canToggleMessagePin } from 'lib/utils/toggle-pin-utils.js';
 
 import {
   type MessageTooltipAction,
   getTooltipPositionStyle,
   calculateMessageTooltipSize,
   calculateReactionTooltipSize,
   type TooltipPosition,
   type TooltipPositionStyle,
   type TooltipSize,
 } from './tooltip-utils.js';
 import { getComposedMessageID } from '../chat/chat-constants.js';
 import { useEditModalContext } from '../chat/edit-message-provider.js';
 import MessageTooltip from '../chat/message-tooltip.react.js';
 import ReactionTooltip from '../chat/reaction-tooltip.react.js';
 import { useTooltipContext } from '../chat/tooltip-provider.js';
 import CommIcon from '../CommIcon.react.js';
 import { InputStateContext } from '../input/input-state.js';
 import TogglePinModal from '../modals/chat/toggle-pin-modal.react.js';
 import {
   useOnClickPendingSidebar,
   useOnClickThread,
 } from '../selectors/thread-selectors.js';
 
 type UseTooltipArgs = {
   +createTooltip: (tooltipPositionStyle: TooltipPositionStyle) => React.Node,
   +tooltipSize: TooltipSize,
   +availablePositions: $ReadOnlyArray<TooltipPosition>,
 };
 type UseTooltipResult = {
   +onMouseEnter: (event: SyntheticEvent<HTMLElement>) => mixed,
   +onMouseLeave: ?() => mixed,
 };
 
 function useTooltip({
   createTooltip,
   tooltipSize,
   availablePositions,
 }: UseTooltipArgs): UseTooltipResult {
   const [onMouseLeave, setOnMouseLeave] = React.useState<?() => mixed>(null);
   const [tooltipSourcePosition, setTooltipSourcePosition] = React.useState();
 
   const { renderTooltip } = useTooltipContext();
   const updateTooltip = React.useRef();
 
   const onMouseEnter = React.useCallback(
     (event: SyntheticEvent<HTMLElement>) => {
       if (!renderTooltip) {
         return;
       }
       const rect = event.currentTarget.getBoundingClientRect();
       const { top, bottom, left, right, height, width } = rect;
       const sourcePosition = { top, bottom, left, right, height, width };
       setTooltipSourcePosition(sourcePosition);
 
       const tooltipPositionStyle = getTooltipPositionStyle({
         tooltipSourcePosition: sourcePosition,
         tooltipSize,
         availablePositions,
       });
       if (!tooltipPositionStyle) {
         return;
       }
 
       const tooltip = createTooltip(tooltipPositionStyle);
 
       const renderTooltipResult = renderTooltip({
         newNode: tooltip,
         tooltipPositionStyle,
       });
       if (renderTooltipResult) {
         const { onMouseLeaveCallback: callback } = renderTooltipResult;
         setOnMouseLeave((() => callback: () => () => mixed));
         updateTooltip.current = renderTooltipResult.updateTooltip;
       }
     },
     [availablePositions, createTooltip, renderTooltip, tooltipSize],
   );
 
   React.useEffect(() => {
     if (!updateTooltip.current) {
       return;
     }
 
     const tooltipPositionStyle = getTooltipPositionStyle({
       tooltipSourcePosition,
       tooltipSize,
       availablePositions,
     });
     if (!tooltipPositionStyle) {
       return;
     }
 
     const tooltip = createTooltip(tooltipPositionStyle);
     updateTooltip.current?.(tooltip);
   }, [availablePositions, createTooltip, tooltipSize, tooltipSourcePosition]);
 
   return {
     onMouseEnter,
     onMouseLeave,
   };
 }
 
 function useMessageTooltipSidebarAction(
   item: ChatMessageInfoItem,
   threadInfo: ThreadInfo,
 ): ?MessageTooltipAction {
   const { threadCreatedFromMessage, messageInfo } = item;
   const { popModal } = useModalContext();
   const sidebarExists = !!threadCreatedFromMessage;
   const sidebarExistsOrCanBeCreated = useSidebarExistsOrCanBeCreated(
     threadInfo,
     item,
   );
   const openThread = useOnClickThread(threadCreatedFromMessage);
   const openPendingSidebar = useOnClickPendingSidebar(messageInfo, threadInfo);
   return React.useMemo(() => {
     if (!sidebarExistsOrCanBeCreated) {
       return null;
     }
     const buttonContent = <CommIcon icon="sidebar-filled" size={16} />;
     const onClick = (event: SyntheticEvent<HTMLElement>) => {
       popModal();
 
       if (threadCreatedFromMessage) {
         openThread(event);
       } else {
         openPendingSidebar(event);
       }
     };
     return {
       actionButtonContent: buttonContent,
       onClick,
       label: sidebarExists ? 'Go to thread' : 'Create thread',
     };
   }, [
     popModal,
     openPendingSidebar,
     openThread,
     sidebarExists,
     sidebarExistsOrCanBeCreated,
     threadCreatedFromMessage,
   ]);
 }
 
 function useMessageTooltipReplyAction(
   item: ChatMessageInfoItem,
   threadInfo: ThreadInfo,
 ): ?MessageTooltipAction {
   const { messageInfo } = item;
   const { popModal } = useModalContext();
   const inputState = React.useContext(InputStateContext);
   invariant(inputState, 'inputState is required');
   const { addReply } = inputState;
   return React.useMemo(() => {
     if (
       item.messageInfo.type !== messageTypes.TEXT ||
       !threadHasPermission(threadInfo, threadPermissions.VOICED)
     ) {
       return null;
     }
     const buttonContent = <CommIcon icon="reply-filled" size={18} />;
     const onClick = () => {
       popModal();
 
       if (!messageInfo.text) {
         return;
       }
       addReply(createMessageReply(messageInfo.text));
     };
     return {
       actionButtonContent: buttonContent,
       onClick,
       label: 'Reply',
     };
   }, [popModal, addReply, item.messageInfo.type, messageInfo, threadInfo]);
 }
 
 const copiedMessageDurationMs = 2000;
 function useMessageCopyAction(
   item: ChatMessageInfoItem,
 ): ?MessageTooltipAction {
   const { messageInfo } = item;
 
   const [successful, setSuccessful] = useResettingState(
     false,
     copiedMessageDurationMs,
   );
 
   return React.useMemo(() => {
     if (messageInfo.type !== messageTypes.TEXT) {
       return null;
     }
     const buttonContent = <CommIcon icon="copy-filled" size={18} />;
     const onClick = async () => {
       try {
         await navigator.clipboard.writeText(messageInfo.text);
         setSuccessful(true);
       } catch (e) {
         setSuccessful(false);
       }
     };
     return {
       actionButtonContent: buttonContent,
       onClick,
       label: successful ? 'Copied!' : 'Copy',
     };
   }, [messageInfo.text, messageInfo.type, setSuccessful, successful]);
 }
 
 function useMessageReactAction(
   item: ChatMessageInfoItem,
   threadInfo: ThreadInfo,
 ): ?MessageTooltipAction {
   const { messageInfo } = item;
 
   const { setShouldRenderEmojiKeyboard } = useTooltipContext();
 
   const canCreateReactionFromMessage = useCanCreateReactionFromMessage(
     threadInfo,
     messageInfo,
   );
 
   return React.useMemo(() => {
     if (!canCreateReactionFromMessage) {
       return null;
     }
 
     const buttonContent = <CommIcon icon="emote-smile-filled" size={18} />;
 
     const onClickReact = () => {
       if (!setShouldRenderEmojiKeyboard) {
         return;
       }
       setShouldRenderEmojiKeyboard(true);
     };
 
     return {
       actionButtonContent: buttonContent,
       onClick: onClickReact,
       label: 'React',
     };
   }, [canCreateReactionFromMessage, setShouldRenderEmojiKeyboard]);
 }
 
 function useMessageTogglePinAction(
   item: ChatMessageInfoItem,
   threadInfo: ThreadInfo,
 ): ?MessageTooltipAction {
   const { pushModal } = useModalContext();
   const { messageInfo, isPinned } = item;
 
-  const canTogglePin =
-    !isInvalidPinSource(messageInfo) &&
-    threadHasPermission(threadInfo, threadPermissions.MANAGE_PINS) &&
-    threadInfo.sourceMessageID !== item.messageInfo.id;
+  const canTogglePin = canToggleMessagePin(messageInfo, threadInfo);
 
   const inputState = React.useContext(InputStateContext);
 
   return React.useMemo(() => {
     if (!canTogglePin) {
       return null;
     }
 
     const iconName = isPinned ? 'unpin' : 'pin';
 
     const buttonContent = <CommIcon icon={iconName} size={18} />;
 
     const onClickTogglePin = () => {
       pushModal(
         <InputStateContext.Provider value={inputState}>
           <TogglePinModal item={item} threadInfo={threadInfo} />
         </InputStateContext.Provider>,
       );
     };
 
     return {
       actionButtonContent: buttonContent,
       onClick: onClickTogglePin,
       label: isPinned ? 'Unpin' : 'Pin',
     };
   }, [canTogglePin, inputState, isPinned, pushModal, item, threadInfo]);
 }
 
 function useMessageEditAction(
   item: ChatMessageInfoItem,
   threadInfo: ThreadInfo,
 ): ?MessageTooltipAction {
   const { messageInfo } = item;
 
   const canEditMessage = useCanEditMessage(threadInfo, messageInfo);
   const { renderEditModal, scrollToMessage } = useEditModalContext();
   const { clearTooltip } = useTooltipContext();
 
   return React.useMemo(() => {
     if (!canEditMessage) {
       return null;
     }
     const buttonContent = <CommIcon icon="edit-filled" size={18} />;
     const onClickEdit = () => {
       const callback = (maxHeight: number) =>
         renderEditModal({
           messageInfo: item,
           threadInfo,
           isError: false,
           editedMessageDraft: messageInfo.text,
           maxHeight: maxHeight,
         });
       clearTooltip();
       scrollToMessage(getComposedMessageID(messageInfo), callback);
     };
     return {
       actionButtonContent: buttonContent,
       onClick: onClickEdit,
       label: 'Edit',
     };
   }, [
     canEditMessage,
     clearTooltip,
     item,
     messageInfo,
     renderEditModal,
     scrollToMessage,
     threadInfo,
   ]);
 }
 
 function useMessageTooltipActions(
   item: ChatMessageInfoItem,
   threadInfo: ThreadInfo,
 ): $ReadOnlyArray<MessageTooltipAction> {
   const sidebarAction = useMessageTooltipSidebarAction(item, threadInfo);
   const replyAction = useMessageTooltipReplyAction(item, threadInfo);
   const copyAction = useMessageCopyAction(item);
   const reactAction = useMessageReactAction(item, threadInfo);
   const togglePinAction = useMessageTogglePinAction(item, threadInfo);
   const editAction = useMessageEditAction(item, threadInfo);
   return React.useMemo(
     () =>
       [
         replyAction,
         sidebarAction,
         copyAction,
         reactAction,
         togglePinAction,
         editAction,
       ].filter(Boolean),
     [
       replyAction,
       sidebarAction,
       copyAction,
       reactAction,
       togglePinAction,
       editAction,
     ],
   );
 }
 
 const undefinedTooltipSize = {
   width: 0,
   height: 0,
 };
 
 type UseMessageTooltipArgs = {
   +availablePositions: $ReadOnlyArray<TooltipPosition>,
   +item: ChatMessageInfoItem,
   +threadInfo: ThreadInfo,
 };
 
 function useMessageTooltip({
   availablePositions,
   item,
   threadInfo,
 }: UseMessageTooltipArgs): UseTooltipResult {
   const tooltipActions = useMessageTooltipActions(item, threadInfo);
 
   const messageTimestamp = React.useMemo(() => {
     const time = item.messageInfo.time;
     return longAbsoluteDate(time);
   }, [item.messageInfo.time]);
 
   const tooltipSize = React.useMemo(() => {
     if (typeof document === 'undefined') {
       return undefinedTooltipSize;
     }
     const tooltipLabels = tooltipActions.map(action => action.label);
     return calculateMessageTooltipSize({
       tooltipLabels,
       timestamp: messageTimestamp,
     });
   }, [messageTimestamp, tooltipActions]);
 
   const createMessageTooltip = React.useCallback(
     tooltipPositionStyle => (
       <MessageTooltip
         actions={tooltipActions}
         messageTimestamp={messageTimestamp}
         tooltipPositionStyle={tooltipPositionStyle}
         tooltipSize={tooltipSize}
         item={item}
         threadInfo={threadInfo}
       />
     ),
     [item, messageTimestamp, threadInfo, tooltipActions, tooltipSize],
   );
 
   const { onMouseEnter, onMouseLeave } = useTooltip({
     createTooltip: createMessageTooltip,
     tooltipSize,
     availablePositions,
   });
 
   return {
     onMouseEnter,
     onMouseLeave,
   };
 }
 
 type UseReactionTooltipArgs = {
   +reaction: string,
   +reactions: ReactionInfo,
   +availablePositions: $ReadOnlyArray<TooltipPosition>,
 };
 
 function useReactionTooltip({
   reaction,
   reactions,
   availablePositions,
 }: UseReactionTooltipArgs): UseTooltipResult {
   const { users } = reactions[reaction];
 
   const tooltipSize = React.useMemo(() => {
     if (typeof document === 'undefined') {
       return undefinedTooltipSize;
     }
 
     const usernames = users.map(user => user.username).filter(Boolean);
 
     return calculateReactionTooltipSize(usernames);
   }, [users]);
 
   const createReactionTooltip = React.useCallback(
     () => <ReactionTooltip reactions={reactions} reaction={reaction} />,
     [reaction, reactions],
   );
 
   const { onMouseEnter, onMouseLeave } = useTooltip({
     createTooltip: createReactionTooltip,
     tooltipSize,
     availablePositions,
   });
 
   return {
     onMouseEnter,
     onMouseLeave,
   };
 }
 
 export {
   useMessageTooltipSidebarAction,
   useMessageTooltipReplyAction,
   useMessageReactAction,
   useMessageTooltipActions,
   useMessageTooltip,
   useReactionTooltip,
 };