diff --git a/lib/shared/dm-ops/create-sidebar-spec.js b/lib/shared/dm-ops/create-sidebar-spec.js
index eb1852d56..f9714d70d 100644
--- a/lib/shared/dm-ops/create-sidebar-spec.js
+++ b/lib/shared/dm-ops/create-sidebar-spec.js
@@ -1,168 +1,168 @@
 // @flow
 
 import uuid from 'uuid';
 
 import { createThickRawThreadInfo } from './create-thread-spec.js';
 import type {
   DMOperationSpec,
   ProcessDMOperationUtilities,
 } from './dm-op-spec.js';
 import type { DMCreateSidebarOperation } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import {
   type RawMessageInfo,
   messageTruncationStatus,
 } from '../../types/message-types.js';
 import { threadTypes } from '../../types/thread-types-enum.js';
 import { updateTypes } from '../../types/update-types-enum.js';
 import { generatePendingThreadColor } from '../color-utils.js';
 import {
   isInvalidSidebarSource,
   rawMessageInfoFromMessageData,
 } from '../message-utils.js';
 
 async function createMessageDatasFromDMOperation(
   dmOperation: DMCreateSidebarOperation,
   utilities: ProcessDMOperationUtilities,
   threadColor?: string,
 ) {
   const {
     threadID,
     creatorID,
     time,
     parentThreadID,
     memberIDs,
     sourceMessageID,
   } = dmOperation;
 
   const allMemberIDs = [creatorID, ...memberIDs];
   const color = threadColor ?? generatePendingThreadColor(allMemberIDs);
   const sourceMessage = await utilities.fetchMessage(sourceMessageID);
 
   if (!sourceMessage) {
     throw new Error(
       `could not find sourceMessage ${sourceMessageID}... probably ` +
         'joined thick thread ${parentThreadID} after its creation',
     );
   }
   if (isInvalidSidebarSource(sourceMessage)) {
     throw new Error(
       `sourceMessage ${sourceMessageID} is an invalid sidebar source`,
     );
   }
 
   const sidebarSourceMessageData = {
     type: messageTypes.SIDEBAR_SOURCE,
     threadID,
     creatorID,
     time,
     sourceMessage: sourceMessage,
   };
 
   const createSidebarMessageData = {
     type: messageTypes.CREATE_SIDEBAR,
     threadID,
     creatorID,
     time: time + 1,
     sourceMessageAuthorID: sourceMessage.creatorID,
     initialThreadState: {
       parentThreadID,
       color,
       memberIDs: allMemberIDs,
     },
   };
 
   return {
     sidebarSourceMessageData,
     createSidebarMessageData,
   };
 }
 
 const createSidebarSpec: DMOperationSpec<DMCreateSidebarOperation> =
   Object.freeze({
     notificationsCreationData: async (
       dmOperation: DMCreateSidebarOperation,
       utilities: ProcessDMOperationUtilities,
     ) => {
       const { sidebarSourceMessageData, createSidebarMessageData } =
         await createMessageDatasFromDMOperation(dmOperation, utilities);
       return {
         messageDatas: [sidebarSourceMessageData, createSidebarMessageData],
       };
     },
     processDMOperation: async (
       dmOperation: DMCreateSidebarOperation,
       viewerID: string,
       utilities: ProcessDMOperationUtilities,
     ) => {
       const {
         threadID,
         creatorID,
         time,
         parentThreadID,
         memberIDs,
         sourceMessageID,
         roleID,
         newSidebarSourceMessageID,
         newCreateSidebarMessageID,
       } = dmOperation;
       const allMemberIDs = [creatorID, ...memberIDs];
 
       const rawThreadInfo = createThickRawThreadInfo(
         {
           threadID,
           threadType: threadTypes.THICK_SIDEBAR,
           creationTime: time,
           parentThreadID,
           allMemberIDs,
           roleID,
-          creatorID,
+          unread: creatorID !== viewerID,
           sourceMessageID,
           containingThreadID: parentThreadID,
         },
         viewerID,
       );
 
       const { sidebarSourceMessageData, createSidebarMessageData } =
         await createMessageDatasFromDMOperation(
           dmOperation,
           utilities,
           rawThreadInfo.color,
         );
 
       const sidebarSourceMessageInfo = rawMessageInfoFromMessageData(
         sidebarSourceMessageData,
         newSidebarSourceMessageID,
       );
       const createSidebarMessageInfo = rawMessageInfoFromMessageData(
         createSidebarMessageData,
         newCreateSidebarMessageID,
       );
 
       const rawMessageInfos: Array<RawMessageInfo> = [
         sidebarSourceMessageInfo,
         createSidebarMessageInfo,
       ];
 
       const threadJoinUpdateInfo = {
         type: updateTypes.JOIN_THREAD,
         id: uuid.v4(),
         time,
         threadInfo: rawThreadInfo,
         rawMessageInfos,
         truncationStatus: messageTruncationStatus.EXHAUSTIVE,
         rawEntryInfos: [],
       };
 
       return {
         rawMessageInfos: [], // included in updateInfos below
         updateInfos: [threadJoinUpdateInfo],
       };
     },
     canBeProcessed() {
       return { isProcessingPossible: true };
     },
     supportsAutoRetry: true,
   });
 
 export { createSidebarSpec };
diff --git a/lib/shared/dm-ops/create-thread-spec.js b/lib/shared/dm-ops/create-thread-spec.js
index 208607eaa..7723e5da5 100644
--- a/lib/shared/dm-ops/create-thread-spec.js
+++ b/lib/shared/dm-ops/create-thread-spec.js
@@ -1,209 +1,209 @@
 // @flow
 
 import uuid from 'uuid';
 
 import type { DMOperationSpec } from './dm-op-spec.js';
 import { specialRoles } from '../../permissions/special-roles.js';
 import {
   getAllThreadPermissions,
   makePermissionsBlob,
   getThickThreadRolePermissionsBlob,
 } from '../../permissions/thread-permissions.js';
 import type {
   CreateThickRawThreadInfoInput,
   DMCreateThreadOperation,
 } from '../../types/dm-ops.js';
 import { messageTypes } from '../../types/message-types-enum.js';
 import { messageTruncationStatus } from '../../types/message-types.js';
 import {
   type ThickRawThreadInfo,
   type RoleInfo,
   minimallyEncodeMemberInfo,
   minimallyEncodeRoleInfo,
   minimallyEncodeThreadCurrentUserInfo,
 } from '../../types/minimally-encoded-thread-permissions-types.js';
 import { joinThreadSubscription } from '../../types/subscription-types.js';
 import type { ThreadPermissionsInfo } from '../../types/thread-permission-types.js';
 import type { ThickThreadType } from '../../types/thread-types-enum.js';
 import type { ThickMemberInfo } from '../../types/thread-types.js';
 import { updateTypes } from '../../types/update-types-enum.js';
 import { generatePendingThreadColor } from '../color-utils.js';
 import { rawMessageInfoFromMessageData } from '../message-utils.js';
 
 function createRoleAndPermissionForThickThreads(
   threadType: ThickThreadType,
   threadID: string,
   roleID: string,
 ): { +role: RoleInfo, +membershipPermissions: ThreadPermissionsInfo } {
   const rolePermissions = getThickThreadRolePermissionsBlob(threadType);
   const membershipPermissions = getAllThreadPermissions(
     makePermissionsBlob(rolePermissions, null, threadID, threadType),
     threadID,
   );
   const role: RoleInfo = {
     ...minimallyEncodeRoleInfo({
       id: roleID,
       name: 'Members',
       permissions: rolePermissions,
       isDefault: true,
     }),
     specialRole: specialRoles.DEFAULT_ROLE,
   };
   return {
     membershipPermissions,
     role,
   };
 }
 
 type MutableThickRawThreadInfo = { ...ThickRawThreadInfo };
 function createThickRawThreadInfo(
   input: CreateThickRawThreadInfoInput,
   viewerID: string,
 ): MutableThickRawThreadInfo {
   const {
     threadID,
     threadType,
     creationTime,
     parentThreadID,
     allMemberIDs,
     roleID,
-    creatorID,
+    unread,
     name,
     avatar,
     description,
     color,
     containingThreadID,
     sourceMessageID,
     repliesCount,
     pinnedCount,
   } = input;
 
   const threadColor = color ?? generatePendingThreadColor(allMemberIDs);
 
   const { membershipPermissions, role } =
     createRoleAndPermissionForThickThreads(threadType, threadID, roleID);
 
   const newThread: MutableThickRawThreadInfo = {
     thick: true,
     minimallyEncoded: true,
     id: threadID,
     type: threadType,
     color: threadColor,
     creationTime,
     parentThreadID,
     members: allMemberIDs.map(memberID =>
       minimallyEncodeMemberInfo<ThickMemberInfo>({
         id: memberID,
         role: role.id,
         permissions: membershipPermissions,
         isSender: memberID === viewerID,
         subscription: joinThreadSubscription,
       }),
     ),
     roles: {
       [role.id]: role,
     },
     currentUser: minimallyEncodeThreadCurrentUserInfo({
       role: role.id,
       permissions: membershipPermissions,
       subscription: joinThreadSubscription,
-      unread: creatorID !== viewerID,
+      unread,
     }),
     repliesCount: repliesCount ?? 0,
     name,
     avatar,
     description,
     containingThreadID,
   };
   if (sourceMessageID) {
     newThread.sourceMessageID = sourceMessageID;
   }
   if (pinnedCount) {
     newThread.pinnedCount = pinnedCount;
   }
   return newThread;
 }
 
 function createMessageDataFromDMOperation(
   dmOperation: DMCreateThreadOperation,
 ) {
   const { threadID, creatorID, time, threadType, memberIDs } = dmOperation;
   const allMemberIDs = [creatorID, ...memberIDs];
   const color = generatePendingThreadColor(allMemberIDs);
   return {
     type: messageTypes.CREATE_THREAD,
     threadID,
     creatorID,
     time,
     initialThreadState: {
       type: threadType,
       color,
       memberIDs: allMemberIDs,
     },
   };
 }
 
 const createThreadSpec: DMOperationSpec<DMCreateThreadOperation> =
   Object.freeze({
     notificationsCreationData: async (dmOperation: DMCreateThreadOperation) => {
       const messageData = createMessageDataFromDMOperation(dmOperation);
       return { messageDatas: [messageData] };
     },
     processDMOperation: async (
       dmOperation: DMCreateThreadOperation,
       viewerID: string,
     ) => {
       const {
         threadID,
         creatorID,
         time,
         threadType,
         memberIDs,
         roleID,
         newMessageID,
       } = dmOperation;
       const allMemberIDs = [creatorID, ...memberIDs];
 
       const rawThreadInfo = createThickRawThreadInfo(
         {
           threadID,
           threadType,
           creationTime: time,
           allMemberIDs,
           roleID,
-          creatorID,
+          unread: creatorID !== viewerID,
         },
         viewerID,
       );
 
       const messageData = createMessageDataFromDMOperation(dmOperation);
       const rawMessageInfos = [
         rawMessageInfoFromMessageData(messageData, newMessageID),
       ];
 
       const threadJoinUpdateInfo = {
         type: updateTypes.JOIN_THREAD,
         id: uuid.v4(),
         time,
         threadInfo: rawThreadInfo,
         rawMessageInfos,
         truncationStatus: messageTruncationStatus.EXHAUSTIVE,
         rawEntryInfos: [],
       };
 
       return {
         rawMessageInfos: [], // included in updateInfos below
         updateInfos: [threadJoinUpdateInfo],
       };
     },
     canBeProcessed() {
       return { isProcessingPossible: true };
     },
     supportsAutoRetry: true,
   });
 
 export {
   createThickRawThreadInfo,
   createThreadSpec,
   createRoleAndPermissionForThickThreads,
 };
diff --git a/lib/types/dm-ops.js b/lib/types/dm-ops.js
index 54d362a73..c7015e343 100644
--- a/lib/types/dm-ops.js
+++ b/lib/types/dm-ops.js
@@ -1,409 +1,409 @@
 // @flow
 
 import t, { type TInterface, type TUnion, type TStructProps } from 'tcomb';
 
 import { clientAvatarValidator, type ClientAvatar } from './avatar-types.js';
 import type { RawMessageInfo } from './message-types.js';
 import type { NotificationsCreationData } from './notif-types.js';
 import type { OutboundP2PMessage } from './sqlite-types.js';
 import {
   type NonSidebarThickThreadType,
   nonSidebarThickThreadTypes,
   type ThickThreadType,
   thickThreadTypeValidator,
 } from './thread-types-enum.js';
 import type { ClientUpdateInfo } from './update-types.js';
 import { values } from '../utils/objects.js';
 import { tColor, tShape, tString, tUserID } from '../utils/validation-utils.js';
 
 export const dmOperationTypes = Object.freeze({
   CREATE_THREAD: 'create_thread',
   CREATE_SIDEBAR: 'create_sidebar',
   SEND_TEXT_MESSAGE: 'send_text_message',
   SEND_REACTION_MESSAGE: 'send_reaction_message',
   SEND_EDIT_MESSAGE: 'send_edit_message',
   ADD_MEMBERS: 'add_members',
   ADD_VIEWER_TO_THREAD_MEMBERS: 'add_viewer_to_thread_members',
   JOIN_THREAD: 'join_thread',
   LEAVE_THREAD: 'leave_thread',
   REMOVE_MEMBERS: 'remove_members',
   CHANGE_THREAD_SETTINGS: 'change_thread_settings',
   CHANGE_THREAD_SETTINGS_AND_ADD_VIEWER:
     'change_thread_settings_and_add_viewer',
 });
 export type DMOperationType = $Values<typeof dmOperationTypes>;
 
 export type CreateThickRawThreadInfoInput = {
   +threadID: string,
   +threadType: ThickThreadType,
   +creationTime: number,
   +parentThreadID?: ?string,
   +allMemberIDs: $ReadOnlyArray<string>,
   +roleID: string,
-  +creatorID: string,
+  +unread: boolean,
   +name?: ?string,
   +avatar?: ?ClientAvatar,
   +description?: ?string,
   +color?: ?string,
   +containingThreadID?: ?string,
   +sourceMessageID?: ?string,
   +repliesCount?: ?number,
   +pinnedCount?: ?number,
 };
 export const createThickRawThreadInfoInputValidator: TInterface<CreateThickRawThreadInfoInput> =
   tShape<CreateThickRawThreadInfoInput>({
     threadID: t.String,
     threadType: thickThreadTypeValidator,
     creationTime: t.Number,
     parentThreadID: t.maybe(t.String),
     allMemberIDs: t.list(tUserID),
     roleID: t.String,
-    creatorID: tUserID,
+    unread: t.Boolean,
     name: t.maybe(t.String),
     avatar: t.maybe(clientAvatarValidator),
     description: t.maybe(t.String),
     color: t.maybe(t.String),
     containingThreadID: t.maybe(t.String),
     sourceMessageID: t.maybe(t.String),
     repliesCount: t.maybe(t.Number),
     pinnedCount: t.maybe(t.Number),
   });
 
 export type DMCreateThreadOperation = {
   +type: 'create_thread',
   +threadID: string,
   +creatorID: string,
   +time: number,
   +threadType: NonSidebarThickThreadType,
   +memberIDs: $ReadOnlyArray<string>,
   +roleID: string,
   +newMessageID: string,
 };
 export const dmCreateThreadOperationValidator: TInterface<DMCreateThreadOperation> =
   tShape<DMCreateThreadOperation>({
     type: tString(dmOperationTypes.CREATE_THREAD),
     threadID: t.String,
     creatorID: tUserID,
     time: t.Number,
     threadType: t.enums.of(values(nonSidebarThickThreadTypes)),
     memberIDs: t.list(tUserID),
     roleID: t.String,
     newMessageID: t.String,
   });
 
 export type DMCreateSidebarOperation = {
   +type: 'create_sidebar',
   +threadID: string,
   +creatorID: string,
   +time: number,
   +parentThreadID: string,
   +memberIDs: $ReadOnlyArray<string>,
   +sourceMessageID: string,
   +roleID: string,
   +newSidebarSourceMessageID: string,
   +newCreateSidebarMessageID: string,
 };
 export const dmCreateSidebarOperationValidator: TInterface<DMCreateSidebarOperation> =
   tShape<DMCreateSidebarOperation>({
     type: tString(dmOperationTypes.CREATE_SIDEBAR),
     threadID: t.String,
     creatorID: tUserID,
     time: t.Number,
     parentThreadID: t.String,
     memberIDs: t.list(tUserID),
     sourceMessageID: t.String,
     roleID: t.String,
     newSidebarSourceMessageID: t.String,
     newCreateSidebarMessageID: t.String,
   });
 
 export type DMSendTextMessageOperation = {
   +type: 'send_text_message',
   +threadID: string,
   +creatorID: string,
   +time: number,
   +messageID: string,
   +text: string,
 };
 export const dmSendTextMessageOperationValidator: TInterface<DMSendTextMessageOperation> =
   tShape<DMSendTextMessageOperation>({
     type: tString(dmOperationTypes.SEND_TEXT_MESSAGE),
     threadID: t.String,
     creatorID: tUserID,
     time: t.Number,
     messageID: t.String,
     text: t.String,
   });
 
 export type DMSendReactionMessageOperation = {
   +type: 'send_reaction_message',
   +threadID: string,
   +creatorID: string,
   +time: number,
   +messageID: string,
   +targetMessageID: string,
   +reaction: string,
   +action: 'add_reaction' | 'remove_reaction',
 };
 export const dmSendReactionMessageOperationValidator: TInterface<DMSendReactionMessageOperation> =
   tShape<DMSendReactionMessageOperation>({
     type: tString(dmOperationTypes.SEND_REACTION_MESSAGE),
     threadID: t.String,
     creatorID: tUserID,
     time: t.Number,
     messageID: t.String,
     targetMessageID: t.String,
     reaction: t.String,
     action: t.enums.of(['add_reaction', 'remove_reaction']),
   });
 
 export type DMSendEditMessageOperation = {
   +type: 'send_edit_message',
   +threadID: string,
   +creatorID: string,
   +time: number,
   +messageID: string,
   +targetMessageID: string,
   +text: string,
 };
 export const dmSendEditMessageOperationValidator: TInterface<DMSendEditMessageOperation> =
   tShape<DMSendEditMessageOperation>({
     type: tString(dmOperationTypes.SEND_EDIT_MESSAGE),
     threadID: t.String,
     creatorID: tUserID,
     time: t.Number,
     messageID: t.String,
     targetMessageID: t.String,
     text: t.String,
   });
 
 type DMAddMembersBase = {
   +editorID: string,
   +time: number,
   +messageID: string,
   +addedUserIDs: $ReadOnlyArray<string>,
 };
 const dmAddMembersBaseValidatorShape = {
   editorID: tUserID,
   time: t.Number,
   messageID: t.String,
   addedUserIDs: t.list(tUserID),
 };
 
 export type DMAddMembersOperation = $ReadOnly<{
   +type: 'add_members',
   +threadID: string,
   ...DMAddMembersBase,
 }>;
 export const dmAddMembersOperationValidator: TInterface<DMAddMembersOperation> =
   tShape<DMAddMembersOperation>({
     type: tString(dmOperationTypes.ADD_MEMBERS),
     threadID: t.String,
     ...dmAddMembersBaseValidatorShape,
   });
 
 export type DMAddViewerToThreadMembersOperation = $ReadOnly<{
   +type: 'add_viewer_to_thread_members',
   +existingThreadDetails: CreateThickRawThreadInfoInput,
   ...DMAddMembersBase,
 }>;
 export const dmAddViewerToThreadMembersValidator: TInterface<DMAddViewerToThreadMembersOperation> =
   tShape<DMAddViewerToThreadMembersOperation>({
     type: tString(dmOperationTypes.ADD_VIEWER_TO_THREAD_MEMBERS),
     existingThreadDetails: createThickRawThreadInfoInputValidator,
     ...dmAddMembersBaseValidatorShape,
   });
 
 export type DMJoinThreadOperation = {
   +type: 'join_thread',
   +joinerID: string,
   +time: number,
   +messageID: string,
   +existingThreadDetails: CreateThickRawThreadInfoInput,
 };
 export const dmJoinThreadOperationValidator: TInterface<DMJoinThreadOperation> =
   tShape<DMJoinThreadOperation>({
     type: tString(dmOperationTypes.JOIN_THREAD),
     joinerID: tUserID,
     time: t.Number,
     messageID: t.String,
     existingThreadDetails: createThickRawThreadInfoInputValidator,
   });
 
 export type DMLeaveThreadOperation = {
   +type: 'leave_thread',
   +editorID: string,
   +time: number,
   +messageID: string,
   +threadID: string,
 };
 export const dmLeaveThreadOperationValidator: TInterface<DMLeaveThreadOperation> =
   tShape<DMLeaveThreadOperation>({
     type: tString(dmOperationTypes.LEAVE_THREAD),
     editorID: tUserID,
     time: t.Number,
     messageID: t.String,
     threadID: t.String,
   });
 
 export type DMRemoveMembersOperation = {
   +type: 'remove_members',
   +editorID: string,
   +time: number,
   +messageID: string,
   +threadID: string,
   +removedUserIDs: $ReadOnlyArray<string>,
 };
 export const dmRemoveMembersOperationValidator: TInterface<DMRemoveMembersOperation> =
   tShape<DMRemoveMembersOperation>({
     type: tString(dmOperationTypes.REMOVE_MEMBERS),
     editorID: tUserID,
     time: t.Number,
     messageID: t.String,
     threadID: t.String,
     removedUserIDs: t.list(tUserID),
   });
 
 export type DMThreadSettingsChangesBase = {
   +name?: string,
   +description?: string,
   +color?: string,
   +avatar?: ClientAvatar,
 };
 
 type DMThreadSettingsChanges = $ReadOnly<{
   ...DMThreadSettingsChangesBase,
   +newMemberIDs?: $ReadOnlyArray<string>,
 }>;
 
 type DMChangeThreadSettingsBase = {
   +editorID: string,
   +time: number,
   +changes: DMThreadSettingsChanges,
   +messageIDsPrefix: string,
 };
 
 const dmChangeThreadSettingsBaseValidatorShape: TStructProps<DMChangeThreadSettingsBase> =
   {
     editorID: tUserID,
     time: t.Number,
     changes: tShape({
       name: t.maybe(t.String),
       description: t.maybe(t.String),
       color: t.maybe(tColor),
       newMemberIDs: t.maybe(t.list(tUserID)),
       avatar: t.maybe(clientAvatarValidator),
     }),
     messageIDsPrefix: t.String,
   };
 
 export type DMChangeThreadSettingsOperation = $ReadOnly<{
   +type: 'change_thread_settings',
   +threadID: string,
   ...DMChangeThreadSettingsBase,
 }>;
 export const dmChangeThreadSettingsOperationValidator: TInterface<DMChangeThreadSettingsOperation> =
   tShape<DMChangeThreadSettingsOperation>({
     type: tString(dmOperationTypes.CHANGE_THREAD_SETTINGS),
     threadID: t.String,
     ...dmChangeThreadSettingsBaseValidatorShape,
   });
 
 export type DMChangeThreadSettingsAndAddViewerOperation = $ReadOnly<{
   +type: 'change_thread_settings_and_add_viewer',
   +existingThreadDetails: CreateThickRawThreadInfoInput,
   ...DMChangeThreadSettingsBase,
 }>;
 export const dmChangeThreadSettingsAndAddViewerOperationValidator: TInterface<DMChangeThreadSettingsAndAddViewerOperation> =
   tShape<DMChangeThreadSettingsAndAddViewerOperation>({
     type: tString(dmOperationTypes.CHANGE_THREAD_SETTINGS_AND_ADD_VIEWER),
     existingThreadDetails: createThickRawThreadInfoInputValidator,
     ...dmChangeThreadSettingsBaseValidatorShape,
   });
 
 export type DMOperation =
   | DMCreateThreadOperation
   | DMCreateSidebarOperation
   | DMSendTextMessageOperation
   | DMSendReactionMessageOperation
   | DMSendEditMessageOperation
   | DMAddMembersOperation
   | DMAddViewerToThreadMembersOperation
   | DMJoinThreadOperation
   | DMLeaveThreadOperation
   | DMRemoveMembersOperation
   | DMChangeThreadSettingsOperation
   | DMChangeThreadSettingsAndAddViewerOperation;
 export const dmOperationValidator: TUnion<DMOperation> = t.union([
   dmCreateThreadOperationValidator,
   dmCreateSidebarOperationValidator,
   dmSendTextMessageOperationValidator,
   dmSendReactionMessageOperationValidator,
   dmSendEditMessageOperationValidator,
   dmAddMembersOperationValidator,
   dmAddViewerToThreadMembersValidator,
   dmJoinThreadOperationValidator,
   dmLeaveThreadOperationValidator,
   dmRemoveMembersOperationValidator,
   dmChangeThreadSettingsOperationValidator,
   dmChangeThreadSettingsAndAddViewerOperationValidator,
 ]);
 
 export type DMOperationResult = {
   rawMessageInfos: Array<RawMessageInfo>,
   updateInfos: Array<ClientUpdateInfo>,
 };
 
 export const processDMOpsActionType = 'PROCESS_DM_OPS';
 
 export type ProcessDMOpsPayload = {
   +rawMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   +updateInfos: $ReadOnlyArray<ClientUpdateInfo>,
   +outboundP2PMessages: ?$ReadOnlyArray<OutboundP2PMessage>,
   // For messages that could be retried from UI, we need to bind DM `messageID`
   // with `outboundP2PMessages` to keep track of whether all P2P messages
   // were queued on Tunnelbroker.
   +messageIDWithoutAutoRetry: ?string,
   +notificationsCreationData: ?NotificationsCreationData,
 };
 
 export const queueDMOpsActionType = 'QUEUE_DM_OPS';
 export type QueueDMOpsPayload = {
   +operation: DMOperation,
   +threadID: string,
   +timestamp: number,
 };
 
 export const pruneDMOpsQueueActionType = 'PRUNE_DM_OPS_QUEUE';
 export type PruneDMOpsQueuePayload = {
   +pruneMaxTimestamp: number,
 };
 
 export const clearQueuedThreadDMOpsActionType = 'CLEAR_QUEUED_THREAD_DM_OPS';
 export type ClearQueuedThreadDMOpsPayload = {
   +threadID: string,
 };
 
 export type QueuedDMOperations = {
   +operations: {
     +[threadID: string]: $ReadOnlyArray<{
       +operation: DMOperation,
       +timestamp: number,
     }>,
   },
 };
 
 export type SendDMStartedPayload = {
   +messageID: string,
 };
 
 export type SendDMOpsSuccessPayload = {
   +messageID: string,
   +outboundP2PMessageIDs: $ReadOnlyArray<string>,
 };
 
 export const sendDMActionTypes = Object.freeze({
   started: 'SEND_DM_STARTED',
   success: 'SEND_DM_SUCCESS',
   failed: 'SEND_DM_FAILED',
 });