diff --git a/lib/actions/thread-actions.js b/lib/actions/thread-actions.js
index 7c51ac63b..4e2812d65 100644
--- a/lib/actions/thread-actions.js
+++ b/lib/actions/thread-actions.js
@@ -1,394 +1,395 @@
 // @flow
 
 import invariant from 'invariant';
 
 import genesis from '../facts/genesis.js';
 import { extractKeyserverIDFromID } from '../keyserver-conn/keyserver-call-utils.js';
 import { useKeyserverCall } from '../keyserver-conn/keyserver-call.js';
 import type { CallKeyserverEndpoint } from '../keyserver-conn/keyserver-conn-types.js';
 import { permissionsAndAuthRelatedRequestTimeout } from '../shared/timeouts.js';
 import type {
   ChangeThreadSettingsPayload,
   LeaveThreadPayload,
   UpdateThreadRequest,
   ClientNewThreadRequest,
   NewThreadResult,
   ClientThreadJoinRequest,
   ThreadJoinPayload,
   ThreadFetchMediaRequest,
   ThreadFetchMediaResult,
   RoleModificationRequest,
   RoleModificationPayload,
   RoleDeletionRequest,
   RoleDeletionPayload,
 } from '../types/thread-types.js';
 import { values } from '../utils/objects.js';
 
 export type DeleteThreadInput = {
   +threadID: string,
 };
 
 const deleteThreadActionTypes = Object.freeze({
   started: 'DELETE_THREAD_STARTED',
   success: 'DELETE_THREAD_SUCCESS',
   failed: 'DELETE_THREAD_FAILED',
 });
 
 const deleteThreadEndpointOptions = {
   timeout: permissionsAndAuthRelatedRequestTimeout,
 };
 
 const deleteThread =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: DeleteThreadInput) => Promise<LeaveThreadPayload>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint(
       'delete_thread',
       requests,
       deleteThreadEndpointOptions,
     );
     const response = responses[keyserverID];
     return {
       updatesResult: response.updatesResult,
     };
   };
 
 function useDeleteThread(): (
   input: DeleteThreadInput,
 ) => Promise<LeaveThreadPayload> {
   return useKeyserverCall(deleteThread);
 }
 const changeThreadSettingsActionTypes = Object.freeze({
   started: 'CHANGE_THREAD_SETTINGS_STARTED',
   success: 'CHANGE_THREAD_SETTINGS_SUCCESS',
   failed: 'CHANGE_THREAD_SETTINGS_FAILED',
 });
 
 const changeThreadSettingsEndpointOptions = {
   timeout: permissionsAndAuthRelatedRequestTimeout,
 };
 
 const changeThreadSettings =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: UpdateThreadRequest) => Promise<ChangeThreadSettingsPayload>) =>
   async input => {
     invariant(
       Object.keys(input.changes).length > 0,
       'No changes provided to changeThreadSettings!',
     );
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint(
       'update_thread',
       requests,
       changeThreadSettingsEndpointOptions,
     );
     const response = responses[keyserverID];
     return {
       threadID: input.threadID,
       updatesResult: response.updatesResult,
       newMessageInfos: response.newMessageInfos,
     };
   };
 
 function useChangeThreadSettings(): (
   input: UpdateThreadRequest,
 ) => Promise<ChangeThreadSettingsPayload> {
   return useKeyserverCall(changeThreadSettings);
 }
 
 export type RemoveUsersFromThreadInput = {
   +threadID: string,
   +memberIDs: $ReadOnlyArray<string>,
 };
 
 const removeUsersFromThreadActionTypes = Object.freeze({
   started: 'REMOVE_USERS_FROM_THREAD_STARTED',
   success: 'REMOVE_USERS_FROM_THREAD_SUCCESS',
   failed: 'REMOVE_USERS_FROM_THREAD_FAILED',
 });
 
 const removeMembersFromThreadEndpointOptions = {
   timeout: permissionsAndAuthRelatedRequestTimeout,
 };
 
 const removeUsersFromThread =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((
     input: RemoveUsersFromThreadInput,
   ) => Promise<ChangeThreadSettingsPayload>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint(
       'remove_members',
       requests,
       removeMembersFromThreadEndpointOptions,
     );
     const response = responses[keyserverID];
     return {
       threadID: input.threadID,
       updatesResult: response.updatesResult,
       newMessageInfos: response.newMessageInfos,
     };
   };
 
 function useRemoveUsersFromThread(): (
   input: RemoveUsersFromThreadInput,
 ) => Promise<ChangeThreadSettingsPayload> {
   return useKeyserverCall(removeUsersFromThread);
 }
 
 export type ChangeThreadMemberRolesInput = {
   +threadID: string,
   +memberIDs: $ReadOnlyArray<string>,
   +newRole: string,
 };
 
 const changeThreadMemberRolesActionTypes = Object.freeze({
   started: 'CHANGE_THREAD_MEMBER_ROLES_STARTED',
   success: 'CHANGE_THREAD_MEMBER_ROLES_SUCCESS',
   failed: 'CHANGE_THREAD_MEMBER_ROLES_FAILED',
 });
 
 const changeThreadMemberRoleEndpointOptions = {
   timeout: permissionsAndAuthRelatedRequestTimeout,
 };
 
 const changeThreadMemberRoles =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((
     input: ChangeThreadMemberRolesInput,
   ) => Promise<ChangeThreadSettingsPayload>) =>
   async input => {
     const { threadID, memberIDs, newRole } = input;
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = {
       [keyserverID]: {
         threadID,
         memberIDs,
         role: newRole,
       },
     };
 
     const responses = await callKeyserverEndpoint(
       'update_role',
       requests,
       changeThreadMemberRoleEndpointOptions,
     );
     const response = responses[keyserverID];
     return {
       threadID,
       updatesResult: response.updatesResult,
       newMessageInfos: response.newMessageInfos,
     };
   };
 
 function useChangeThreadMemberRoles(): (
   input: ChangeThreadMemberRolesInput,
 ) => Promise<ChangeThreadSettingsPayload> {
   return useKeyserverCall(changeThreadMemberRoles);
 }
 
 const newThreadActionTypes = Object.freeze({
   started: 'NEW_THREAD_STARTED',
   success: 'NEW_THREAD_SUCCESS',
   failed: 'NEW_THREAD_FAILED',
 });
 const newThread =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: ClientNewThreadRequest) => Promise<NewThreadResult>) =>
   async input => {
     const parentThreadID = input.parentThreadID ?? genesis().id;
     const keyserverID = extractKeyserverIDFromID(parentThreadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint('create_thread', requests);
     const response = responses[keyserverID];
 
     return {
       newThreadID: response.newThreadID,
       updatesResult: response.updatesResult,
       newMessageInfos: response.newMessageInfos,
       userInfos: response.userInfos,
     };
   };
 
 function useNewThread(): (
   input: ClientNewThreadRequest,
 ) => Promise<NewThreadResult> {
   return useKeyserverCall(newThread);
 }
 
 const joinThreadActionTypes = Object.freeze({
   started: 'JOIN_THREAD_STARTED',
   success: 'JOIN_THREAD_SUCCESS',
   failed: 'JOIN_THREAD_FAILED',
 });
 const joinThread =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: ClientThreadJoinRequest) => Promise<ThreadJoinPayload>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint('join_thread', requests);
     const response = responses[keyserverID];
     const userInfos = values(response.userInfos);
     return {
       updatesResult: response.updatesResult,
       rawMessageInfos: response.rawMessageInfos,
       truncationStatuses: response.truncationStatuses,
       userInfos,
+      keyserverID,
     };
   };
 
 function useJoinThread(): (
   input: ClientThreadJoinRequest,
 ) => Promise<ThreadJoinPayload> {
   return useKeyserverCall(joinThread);
 }
 
 export type LeaveThreadInput = {
   +threadID: string,
 };
 const leaveThreadActionTypes = Object.freeze({
   started: 'LEAVE_THREAD_STARTED',
   success: 'LEAVE_THREAD_SUCCESS',
   failed: 'LEAVE_THREAD_FAILED',
 });
 const leaveThread =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: LeaveThreadInput) => Promise<LeaveThreadPayload>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint('leave_thread', requests);
     const response = responses[keyserverID];
     return {
       updatesResult: response.updatesResult,
     };
   };
 
 function useLeaveThread(): (
   input: LeaveThreadInput,
 ) => Promise<LeaveThreadPayload> {
   return useKeyserverCall(leaveThread);
 }
 
 const fetchThreadMedia =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: ThreadFetchMediaRequest) => Promise<ThreadFetchMediaResult>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.threadID);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint(
       'fetch_thread_media',
       requests,
     );
     const response = responses[keyserverID];
     return { media: response.media };
   };
 
 function useFetchThreadMedia(): (
   input: ThreadFetchMediaRequest,
 ) => Promise<ThreadFetchMediaResult> {
   return useKeyserverCall(fetchThreadMedia);
 }
 
 const modifyCommunityRoleActionTypes = Object.freeze({
   started: 'MODIFY_COMMUNITY_ROLE_STARTED',
   success: 'MODIFY_COMMUNITY_ROLE_SUCCESS',
   failed: 'MODIFY_COMMUNITY_ROLE_FAILED',
 });
 const modifyCommunityRole =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: RoleModificationRequest) => Promise<RoleModificationPayload>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.community);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint(
       'modify_community_role',
       requests,
     );
     const response = responses[keyserverID];
     return {
       threadInfo: response.threadInfo,
       updatesResult: response.updatesResult,
     };
   };
 
 function useModifyCommunityRole(): (
   input: RoleModificationRequest,
 ) => Promise<RoleModificationPayload> {
   return useKeyserverCall(modifyCommunityRole);
 }
 
 const deleteCommunityRoleActionTypes = Object.freeze({
   started: 'DELETE_COMMUNITY_ROLE_STARTED',
   success: 'DELETE_COMMUNITY_ROLE_SUCCESS',
   failed: 'DELETE_COMMUNITY_ROLE_FAILED',
 });
 const deleteCommunityRole =
   (
     callKeyserverEndpoint: CallKeyserverEndpoint,
   ): ((input: RoleDeletionRequest) => Promise<RoleDeletionPayload>) =>
   async input => {
     const keyserverID = extractKeyserverIDFromID(input.community);
     const requests = { [keyserverID]: input };
 
     const responses = await callKeyserverEndpoint(
       'delete_community_role',
       requests,
     );
     const response = responses[keyserverID];
     return {
       threadInfo: response.threadInfo,
       updatesResult: response.updatesResult,
     };
   };
 
 function useDeleteCommunityRole(): (
   input: RoleDeletionRequest,
 ) => Promise<RoleDeletionPayload> {
   return useKeyserverCall(deleteCommunityRole);
 }
 
 export {
   deleteThreadActionTypes,
   useDeleteThread,
   changeThreadSettingsActionTypes,
   useChangeThreadSettings,
   removeUsersFromThreadActionTypes,
   useRemoveUsersFromThread,
   changeThreadMemberRolesActionTypes,
   useChangeThreadMemberRoles,
   newThreadActionTypes,
   useNewThread,
   joinThreadActionTypes,
   useJoinThread,
   leaveThreadActionTypes,
   useLeaveThread,
   useFetchThreadMedia,
   modifyCommunityRoleActionTypes,
   useModifyCommunityRole,
   deleteCommunityRoleActionTypes,
   useDeleteCommunityRole,
 };
diff --git a/lib/reducers/user-reducer.js b/lib/reducers/user-reducer.js
index 8243c0f98..bcaf3cc8d 100644
--- a/lib/reducers/user-reducer.js
+++ b/lib/reducers/user-reducer.js
@@ -1,547 +1,558 @@
 // @flow
 
 import _isEqual from 'lodash/fp/isEqual.js';
 import _keyBy from 'lodash/fp/keyBy.js';
 
 import { setClientDBStoreActionType } from '../actions/client-db-store-actions.js';
 import { legacySiweAuthActionTypes } from '../actions/siwe-actions.js';
 import {
   joinThreadActionTypes,
   newThreadActionTypes,
 } from '../actions/thread-actions.js';
 import { fetchPendingUpdatesActionTypes } from '../actions/update-actions.js';
 import {
   findUserIdentitiesActionTypes,
   processNewUserIDsActionType,
   identityLogInActionTypes,
   identityRegisterActionTypes,
   deleteAccountActionTypes,
   keyserverAuthActionTypes,
   logOutActionTypes,
   legacyLogInActionTypes,
   legacyKeyserverRegisterActionTypes,
   setUserSettingsActionTypes,
   updateUserAvatarActionTypes,
 } from '../actions/user-actions.js';
+import { extractKeyserverIDFromID } from '../keyserver-conn/keyserver-call-utils.js';
 import { setNewSessionActionType } from '../keyserver-conn/keyserver-conn-types.js';
 import {
   convertUserInfosToReplaceUserOps,
   type UserStoreOperation,
   userStoreOpsHandlers,
 } from '../ops/user-store-ops.js';
 import { stateSyncSpecs } from '../shared/state-sync/state-sync-specs.js';
 import { updateSpecs } from '../shared/updates/update-specs.js';
 import type { BaseAction } from '../types/redux-types.js';
 import type { ClientUserInconsistencyReportCreationRequest } from '../types/report-types.js';
 import {
   serverRequestTypes,
   processServerRequestsActionType,
 } from '../types/request-types.js';
 import {
   fullStateSyncActionType,
   incrementalStateSyncActionType,
   stateSyncPayloadTypes,
   type ClientStateSyncIncrementalSocketResult,
   type StateSyncIncrementalActionPayload,
 } from '../types/socket-types.js';
 import { updateTypes } from '../types/update-types-enum.js';
 import {
   processUpdatesActionType,
   type ClientUpdateInfo,
   type ClientUpdatesResultWithUserInfos,
 } from '../types/update-types.js';
 import type {
   CurrentUserInfo,
   UserInfos,
   UserStore,
 } from '../types/user-types.js';
 import { authoritativeKeyserverID } from '../utils/authoritative-keyserver.js';
 import {
   relyingOnAuthoritativeKeyserver,
   usingCommServicesAccessToken,
 } from '../utils/services-utils.js';
 
 function handleCurrentUserUpdates(
   state: ?CurrentUserInfo,
   newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
 ): ?CurrentUserInfo {
   return newUpdates.reduce((reducedState, update) => {
     const { reduceCurrentUser } = updateSpecs[update.type];
     return reduceCurrentUser
       ? reduceCurrentUser(reducedState, update)
       : reducedState;
   }, state);
 }
 
 function reduceCurrentUserInfo(
   state: ?CurrentUserInfo,
   action: BaseAction,
 ): ?CurrentUserInfo {
   if (
     action.type === identityLogInActionTypes.success ||
     action.type === identityRegisterActionTypes.success
   ) {
     const newUserInfo = {
       id: action.payload.userID,
       username: action.payload.username,
     };
     if (!_isEqual(newUserInfo)(state)) {
       return newUserInfo;
     }
   } else if (
     action.type === legacyLogInActionTypes.success ||
     action.type === legacySiweAuthActionTypes.success ||
     action.type === legacyKeyserverRegisterActionTypes.success ||
     action.type === logOutActionTypes.success ||
     action.type === deleteAccountActionTypes.success
   ) {
     if (!_isEqual(action.payload.currentUserInfo)(state)) {
       return action.payload.currentUserInfo;
     }
   } else if (
     action.type === setNewSessionActionType &&
     action.payload.sessionChange.currentUserInfo &&
     action.payload.keyserverID === authoritativeKeyserverID() &&
     relyingOnAuthoritativeKeyserver
   ) {
     const actionUserInfo = action.payload.sessionChange.currentUserInfo;
     if (!actionUserInfo?.id) {
       return actionUserInfo;
     } else if (!usingCommServicesAccessToken) {
       if (!_isEqual(actionUserInfo)(state)) {
         return actionUserInfo;
       }
     } else if (!state?.id || actionUserInfo.id !== state.id) {
       console.log(
         'keyserver auth returned a different user info than identity login',
       );
     } else {
       const newUserInfo = {
         ...state,
         avatar: actionUserInfo.avatar,
         settings: actionUserInfo.settings,
       };
       if (!_isEqual(newUserInfo)(state)) {
         return newUserInfo;
       }
     }
   } else if (
     (action.type === fullStateSyncActionType ||
       (action.type === fetchPendingUpdatesActionTypes.success &&
         action.payload.type === stateSyncPayloadTypes.FULL)) &&
     relyingOnAuthoritativeKeyserver
   ) {
     if (action.payload.keyserverID !== authoritativeKeyserverID()) {
       return state;
     }
     const { currentUserInfo } = action.payload;
     if (!_isEqual(currentUserInfo)(state)) {
       return currentUserInfo;
     }
   } else if (
     (action.type === incrementalStateSyncActionType ||
       action.type === processUpdatesActionType) &&
     relyingOnAuthoritativeKeyserver
   ) {
     if (action.payload.keyserverID !== authoritativeKeyserverID()) {
       return state;
     }
     return handleCurrentUserUpdates(
       state,
       action.payload.updatesResult.newUpdates,
     );
   } else if (action.type === fetchPendingUpdatesActionTypes.success) {
     if (!relyingOnAuthoritativeKeyserver) {
       return state;
     }
     const { payload } = action;
     if (payload.type !== stateSyncPayloadTypes.INCREMENTAL) {
       return state;
     }
     const { newUpdates } = payload.updatesResult;
     if (action.payload.keyserverID !== authoritativeKeyserverID()) {
       return state;
     }
     return handleCurrentUserUpdates(state, newUpdates);
   } else if (
     action.type === processServerRequestsActionType &&
     relyingOnAuthoritativeKeyserver
   ) {
     if (action.payload.keyserverID !== authoritativeKeyserverID()) {
       return state;
     }
     const checkStateRequest = action.payload.serverRequests.find(
       candidate => candidate.type === serverRequestTypes.CHECK_STATE,
     );
     const newCurrentUserInfo = checkStateRequest?.stateChanges?.currentUserInfo;
     if (newCurrentUserInfo && !_isEqual(newCurrentUserInfo)(state)) {
       return newCurrentUserInfo;
     }
   } else if (
     action.type === updateUserAvatarActionTypes.success &&
     state &&
     !state.anonymous
   ) {
     const { viewerUpdates } = action.payload.updates;
     for (const update of viewerUpdates) {
       if (
         update.type === updateTypes.UPDATE_CURRENT_USER &&
         !_isEqual(update.currentUserInfo.avatar)(state.avatar)
       ) {
         return {
           ...state,
           avatar: update.currentUserInfo.avatar,
         };
       }
     }
     return state;
   } else if (action.type === setUserSettingsActionTypes.success) {
     if (state?.settings) {
       return {
         ...state,
         settings: {
           ...state.settings,
           ...action.payload,
         },
       };
     }
   }
   return state;
 }
 
 const { processStoreOperations: processUserStoreOps } = userStoreOpsHandlers;
 
 function generateOpsForUserUpdates(payload: {
   +updatesResult: { +newUpdates: $ReadOnlyArray<ClientUpdateInfo>, ... },
   ...
 }): $ReadOnlyArray<UserStoreOperation> {
   return payload.updatesResult.newUpdates
     .map(update =>
       updateSpecs[update.type].generateOpsForUserInfoUpdates?.(update),
     )
     .filter(Boolean)
     .flat();
 }
 
 type ReduceUserInfosResult = [
   UserStore,
   $ReadOnlyArray<ClientUserInconsistencyReportCreationRequest>,
   $ReadOnlyArray<UserStoreOperation>,
 ];
 
 function handleUserInfoUpdates(
   state: UserStore,
   payload:
     | ClientStateSyncIncrementalSocketResult
     | StateSyncIncrementalActionPayload
     | ClientUpdatesResultWithUserInfos,
 ): ReduceUserInfosResult {
   if (payload.keyserverID !== authoritativeKeyserverID()) {
     return [state, [], []];
   }
   const newUserInfos = _keyBy(userInfo => userInfo.id)(payload.userInfos);
   const userStoreOps: $ReadOnlyArray<UserStoreOperation> = [
     ...convertUserInfosToReplaceUserOps(newUserInfos),
     ...generateOpsForUserUpdates(payload),
   ];
 
   const processedUserInfos: UserInfos = processUserStoreOps(
     state.userInfos,
     userStoreOps,
   );
 
   if (_isEqual(state.userInfos)(processedUserInfos)) {
     return [state, [], []];
   }
 
   return [
     {
       ...state,
       userInfos: processedUserInfos,
     },
     [],
     userStoreOps,
   ];
 }
 
 function reduceUserInfos(
   state: UserStore,
   action: BaseAction,
 ): ReduceUserInfosResult {
   if (action.type === processNewUserIDsActionType) {
     const filteredUserIDs = action.payload.userIDs.filter(
       id => !state.userInfos[id],
     );
     if (filteredUserIDs.length === 0) {
       return [state, [], []];
     }
     const newUserInfosArray = filteredUserIDs.map(id => ({
       id,
       username: null,
     }));
     const newUserInfos: UserInfos = _keyBy(userInfo => userInfo.id)(
       newUserInfosArray,
     );
 
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> =
       convertUserInfosToReplaceUserOps(newUserInfos);
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
     if (!_isEqual(state.userInfos)(processedUserInfos)) {
       return [
         {
           ...state,
           userInfos: processedUserInfos,
         },
         [],
         userStoreOps,
       ];
     }
   } else if (
-    action.type === joinThreadActionTypes.success ||
-    action.type === newThreadActionTypes.success
+    (action.type === joinThreadActionTypes.success ||
+      action.type === newThreadActionTypes.success) &&
+    relyingOnAuthoritativeKeyserver
   ) {
+    let keyserverID;
+    if (action.type === joinThreadActionTypes.success) {
+      keyserverID = action.payload.keyserverID;
+    } else {
+      keyserverID = extractKeyserverIDFromID(action.payload.newThreadID);
+    }
+    if (keyserverID !== authoritativeKeyserverID()) {
+      return [state, [], []];
+    }
     const newUserInfos: UserInfos = _keyBy(userInfo => userInfo.id)(
       action.payload.userInfos,
     );
 
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> =
       convertUserInfosToReplaceUserOps(newUserInfos);
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     if (!_isEqual(state.userInfos)(processedUserInfos)) {
       return [
         {
           ...state,
           userInfos: processedUserInfos,
         },
         [],
         userStoreOps,
       ];
     }
   } else if (action.type === findUserIdentitiesActionTypes.success) {
     const newUserInfos = action.payload.userInfos.reduce(
       (acc, userInfo) => ({
         ...acc,
         [userInfo.id]: {
           ...state.userInfos[userInfo.id],
           username: userInfo.username,
         },
       }),
       {},
     );
 
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> =
       convertUserInfosToReplaceUserOps(newUserInfos);
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     if (!_isEqual(state.userInfos)(processedUserInfos)) {
       return [
         {
           ...state,
           userInfos: processedUserInfos,
         },
         [],
         userStoreOps,
       ];
     }
   } else if (
     action.type === setNewSessionActionType &&
     action.payload.sessionChange.cookieInvalidated &&
     action.payload.keyserverID === authoritativeKeyserverID() &&
     relyingOnAuthoritativeKeyserver
   ) {
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> = [
       { type: 'remove_all_users' },
     ];
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     if (Object.keys(state.userInfos).length === 0) {
       return [state, [], []];
     }
     return [
       {
         userInfos: processedUserInfos,
       },
       [],
       userStoreOps,
     ];
   } else if (
     (action.type === fullStateSyncActionType ||
       (action.type === fetchPendingUpdatesActionTypes.success &&
         action.payload.type === stateSyncPayloadTypes.FULL)) &&
     relyingOnAuthoritativeKeyserver
   ) {
     if (action.payload.keyserverID !== authoritativeKeyserverID()) {
       return [state, [], []];
     }
     const newUserInfos = _keyBy(userInfo => userInfo.id)(
       action.payload.userInfos,
     );
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> = [
       { type: 'remove_all_users' },
       ...convertUserInfosToReplaceUserOps(newUserInfos),
     ];
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     if (!_isEqual(state.userInfos)(processedUserInfos)) {
       return [
         {
           userInfos: processedUserInfos,
         },
         [],
         userStoreOps,
       ];
     }
   } else if (
     action.type === legacyLogInActionTypes.success ||
     action.type === legacySiweAuthActionTypes.success ||
     action.type === legacyKeyserverRegisterActionTypes.success
   ) {
     const newUserInfos = _keyBy(userInfo => userInfo.id)(
       action.payload.userInfos,
     );
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> = [
       { type: 'remove_all_users' },
       ...convertUserInfosToReplaceUserOps(newUserInfos),
     ];
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     return [
       {
         userInfos: processedUserInfos,
       },
       [],
       userStoreOps,
     ];
   } else if (action.type === keyserverAuthActionTypes.success) {
     const newUserInfos = _keyBy(userInfo => userInfo.id)(
       action.payload.userInfos,
     );
 
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> =
       convertUserInfosToReplaceUserOps(newUserInfos);
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     if (!_isEqual(state.userInfos)(processedUserInfos)) {
       return [
         {
           ...state,
           userInfos: processedUserInfos,
         },
         [],
         userStoreOps,
       ];
     }
   } else if (
     (action.type === incrementalStateSyncActionType ||
       action.type === processUpdatesActionType) &&
     relyingOnAuthoritativeKeyserver
   ) {
     return handleUserInfoUpdates(state, action.payload);
   } else if (action.type === fetchPendingUpdatesActionTypes.success) {
     if (!relyingOnAuthoritativeKeyserver) {
       return [state, [], []];
     }
     const { payload } = action;
     if (payload.type === stateSyncPayloadTypes.INCREMENTAL) {
       return handleUserInfoUpdates(state, payload);
     }
   } else if (
     action.type === processServerRequestsActionType &&
     relyingOnAuthoritativeKeyserver
   ) {
     if (action.payload.keyserverID !== authoritativeKeyserverID()) {
       return [state, [], []];
     }
     const checkStateRequest = action.payload.serverRequests.find(
       candidate => candidate.type === serverRequestTypes.CHECK_STATE,
     );
     if (!checkStateRequest || !checkStateRequest.stateChanges) {
       return [state, [], []];
     }
     const { userInfos, deleteUserInfoIDs } = checkStateRequest.stateChanges;
     if (!userInfos && !deleteUserInfoIDs) {
       return [state, [], []];
     }
 
     const userStoreOps: UserStoreOperation[] = [];
     if (userInfos) {
       for (const userInfo of userInfos) {
         userStoreOps.push({ type: 'replace_user', payload: { ...userInfo } });
       }
     }
     if (deleteUserInfoIDs) {
       userStoreOps.push({
         type: 'remove_users',
         payload: { ids: deleteUserInfoIDs },
       });
     }
 
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     const newInconsistencies = stateSyncSpecs.users.findStoreInconsistencies(
       action,
       state.userInfos,
       processedUserInfos,
     );
     return [
       {
         userInfos: processedUserInfos,
       },
       newInconsistencies,
       userStoreOps,
     ];
   } else if (action.type === updateUserAvatarActionTypes.success) {
     const newUserInfos = _keyBy(userInfo => userInfo.id)(
       action.payload.updates.userInfos,
     );
     const userStoreOps: $ReadOnlyArray<UserStoreOperation> =
       convertUserInfosToReplaceUserOps(newUserInfos);
     const processedUserInfos: UserInfos = processUserStoreOps(
       state.userInfos,
       userStoreOps,
     );
 
     const newState = !_isEqual(state.userInfos)(processedUserInfos)
       ? {
           ...state,
           userInfos: processedUserInfos,
         }
       : state;
     return [newState, [], userStoreOps];
   } else if (action.type === setClientDBStoreActionType) {
     if (!action.payload.users) {
       return [state, [], []];
     }
 
     return [{ userInfos: action.payload.users }, [], []];
   }
 
   return [state, [], []];
 }
 
 export { reduceCurrentUserInfo, reduceUserInfos };
diff --git a/lib/types/thread-types.js b/lib/types/thread-types.js
index 78e241bbe..7b5efffd9 100644
--- a/lib/types/thread-types.js
+++ b/lib/types/thread-types.js
@@ -1,427 +1,428 @@
 // @flow
 
 import t, { type TInterface } from 'tcomb';
 
 import {
   type AvatarDBContent,
   type ClientAvatar,
   clientAvatarValidator,
   type UpdateUserAvatarRequest,
 } from './avatar-types.js';
 import type { CalendarQuery } from './entry-types.js';
 import type { Media } from './media-types.js';
 import type {
   MessageTruncationStatuses,
   RawMessageInfo,
 } from './message-types.js';
 import type {
   RawThreadInfo,
   ResolvedThreadInfo,
   ThreadInfo,
 } from './minimally-encoded-thread-permissions-types.js';
 import {
   type ThreadSubscription,
   threadSubscriptionValidator,
 } from './subscription-types.js';
 import {
   type ThreadPermissionsInfo,
   threadPermissionsInfoValidator,
   type ThreadRolePermissionsBlob,
   threadRolePermissionsBlobValidator,
   type UserSurfacedPermission,
 } from './thread-permission-types.js';
 import { type ThreadType, threadTypeValidator } from './thread-types-enum.js';
 import type { ClientUpdateInfo, ServerUpdateInfo } from './update-types.js';
 import type { UserInfo, UserInfos } from './user-types.js';
 import type { SpecialRole } from '../permissions/special-roles.js';
 import { type ThreadEntity } from '../utils/entity-text.js';
 import { tID, tShape, tUserID } from '../utils/validation-utils.js';
 
 export type LegacyMemberInfo = {
   +id: string,
   +role: ?string,
   +permissions: ThreadPermissionsInfo,
   +isSender: boolean,
 };
 export const legacyMemberInfoValidator: TInterface<LegacyMemberInfo> =
   tShape<LegacyMemberInfo>({
     id: tUserID,
     role: t.maybe(tID),
     permissions: threadPermissionsInfoValidator,
     isSender: t.Boolean,
   });
 
 export type ClientLegacyRoleInfo = {
   +id: string,
   +name: string,
   +permissions: ThreadRolePermissionsBlob,
   +isDefault: boolean,
 };
 export const clientLegacyRoleInfoValidator: TInterface<ClientLegacyRoleInfo> =
   tShape<ClientLegacyRoleInfo>({
     id: tID,
     name: t.String,
     permissions: threadRolePermissionsBlobValidator,
     isDefault: t.Boolean,
   });
 
 export type ServerLegacyRoleInfo = {
   +id: string,
   +name: string,
   +permissions: ThreadRolePermissionsBlob,
   +isDefault: boolean,
   +specialRole: ?SpecialRole,
 };
 
 export type LegacyThreadCurrentUserInfo = {
   +role: ?string,
   +permissions: ThreadPermissionsInfo,
   +subscription: ThreadSubscription,
   +unread: ?boolean,
 };
 export const legacyThreadCurrentUserInfoValidator: TInterface<LegacyThreadCurrentUserInfo> =
   tShape<LegacyThreadCurrentUserInfo>({
     role: t.maybe(tID),
     permissions: threadPermissionsInfoValidator,
     subscription: threadSubscriptionValidator,
     unread: t.maybe(t.Boolean),
   });
 
 export type LegacyRawThreadInfo = {
   +id: string,
   +type: ThreadType,
   +name: ?string,
   +avatar?: ?ClientAvatar,
   +description: ?string,
   +color: string, // hex, without "#" or "0x"
   +creationTime: number, // millisecond timestamp
   +parentThreadID: ?string,
   +containingThreadID: ?string,
   +community: ?string,
   +members: $ReadOnlyArray<LegacyMemberInfo>,
   +roles: { +[id: string]: ClientLegacyRoleInfo },
   +currentUser: LegacyThreadCurrentUserInfo,
   +sourceMessageID?: string,
   +repliesCount: number,
   +pinnedCount?: number,
 };
 export type LegacyRawThreadInfos = {
   +[id: string]: LegacyRawThreadInfo,
 };
 export const legacyRawThreadInfoValidator: TInterface<LegacyRawThreadInfo> =
   tShape<LegacyRawThreadInfo>({
     id: tID,
     type: threadTypeValidator,
     name: t.maybe(t.String),
     avatar: t.maybe(clientAvatarValidator),
     description: t.maybe(t.String),
     color: t.String,
     creationTime: t.Number,
     parentThreadID: t.maybe(tID),
     containingThreadID: t.maybe(tID),
     community: t.maybe(tID),
     members: t.list(legacyMemberInfoValidator),
     roles: t.dict(tID, clientLegacyRoleInfoValidator),
     currentUser: legacyThreadCurrentUserInfoValidator,
     sourceMessageID: t.maybe(tID),
     repliesCount: t.Number,
     pinnedCount: t.maybe(t.Number),
   });
 
 export type MixedRawThreadInfos = {
   +[id: string]: LegacyRawThreadInfo | RawThreadInfo,
 };
 export type RawThreadInfos = {
   +[id: string]: RawThreadInfo,
 };
 
 export type ServerMemberInfo = {
   +id: string,
   +role: ?string,
   +permissions: ThreadPermissionsInfo,
   +subscription: ThreadSubscription,
   +unread: ?boolean,
   +isSender: boolean,
 };
 
 export type ServerThreadInfo = {
   +id: string,
   +type: ThreadType,
   +name: ?string,
   +avatar?: AvatarDBContent,
   +description: ?string,
   +color: string, // hex, without "#" or "0x"
   +creationTime: number, // millisecond timestamp
   +parentThreadID: ?string,
   +containingThreadID: ?string,
   +community: ?string,
   +depth: number,
   +members: $ReadOnlyArray<ServerMemberInfo>,
   +roles: { +[id: string]: ServerLegacyRoleInfo },
   +sourceMessageID?: string,
   +repliesCount: number,
   +pinnedCount: number,
 };
 
 export type LegacyThreadStore = {
   +threadInfos: MixedRawThreadInfos,
 };
 
 export type ThreadStore = {
   +threadInfos: RawThreadInfos,
 };
 
 export type ClientDBThreadInfo = {
   +id: string,
   +type: number,
   +name: ?string,
   +avatar?: ?string,
   +description: ?string,
   +color: string,
   +creationTime: string,
   +parentThreadID: ?string,
   +containingThreadID: ?string,
   +community: ?string,
   +members: string,
   +roles: string,
   +currentUser: string,
   +sourceMessageID?: string,
   +repliesCount: number,
   +pinnedCount?: number,
 };
 
 export type ThreadDeletionRequest = {
   +threadID: string,
   +accountPassword?: empty,
 };
 
 export type RemoveMembersRequest = {
   +threadID: string,
   +memberIDs: $ReadOnlyArray<string>,
 };
 
 export type RoleChangeRequest = {
   +threadID: string,
   +memberIDs: $ReadOnlyArray<string>,
   +role: string,
 };
 
 export type ChangeThreadSettingsResult = {
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
   },
   +newMessageInfos: $ReadOnlyArray<RawMessageInfo>,
 };
 
 export type ChangeThreadSettingsPayload = {
   +threadID: string,
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
   },
   +newMessageInfos: $ReadOnlyArray<RawMessageInfo>,
 };
 
 export type LeaveThreadRequest = {
   +threadID: string,
 };
 export type LeaveThreadResult = {
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
   },
 };
 
 export type LeaveThreadPayload = {
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
   },
 };
 
 export type ThreadChanges = Partial<{
   +type: ThreadType,
   +name: string,
   +description: string,
   +color: string,
   +parentThreadID: ?string,
   +newMemberIDs: $ReadOnlyArray<string>,
   +avatar: UpdateUserAvatarRequest,
 }>;
 
 export type UpdateThreadRequest = {
   +threadID: string,
   +changes: ThreadChanges,
   +accountPassword?: empty,
 };
 
 export type BaseNewThreadRequest = {
   +id?: ?string,
   +name?: ?string,
   +description?: ?string,
   +color?: ?string,
   +parentThreadID?: ?string,
   +initialMemberIDs?: ?$ReadOnlyArray<string>,
   +ghostMemberIDs?: ?$ReadOnlyArray<string>,
 };
 type NewThreadRequest =
   | {
       +type: 3 | 4 | 6 | 7 | 8 | 9 | 10 | 11 | 12,
       ...BaseNewThreadRequest,
     }
   | {
       +type: 5,
       +sourceMessageID: string,
       ...BaseNewThreadRequest,
     };
 
 export type ClientNewThreadRequest = {
   ...NewThreadRequest,
   +calendarQuery: CalendarQuery,
 };
 export type ServerNewThreadRequest = {
   ...NewThreadRequest,
   +calendarQuery?: ?CalendarQuery,
 };
 
 export type NewThreadResponse = {
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
   },
   +newMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   +userInfos: UserInfos,
   +newThreadID: string,
 };
 export type NewThreadResult = {
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
   },
   +newMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   +userInfos: UserInfos,
   +newThreadID: string,
 };
 
 export type ServerThreadJoinRequest = {
   +threadID: string,
   +calendarQuery?: ?CalendarQuery,
   +inviteLinkSecret?: string,
 };
 export type ClientThreadJoinRequest = {
   +threadID: string,
   +calendarQuery: CalendarQuery,
   +inviteLinkSecret?: string,
 };
 export type ThreadJoinResult = {
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
   },
   +rawMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   +truncationStatuses: MessageTruncationStatuses,
   +userInfos: UserInfos,
 };
 export type ThreadJoinPayload = {
   +updatesResult: {
     newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
   },
   +rawMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   +truncationStatuses: MessageTruncationStatuses,
   +userInfos: $ReadOnlyArray<UserInfo>,
+  +keyserverID: string,
 };
 
 export type ThreadFetchMediaResult = {
   +media: $ReadOnlyArray<Media>,
 };
 export type ThreadFetchMediaRequest = {
   +threadID: string,
   +limit: number,
   +offset: number,
 };
 
 export type SidebarInfo = {
   +threadInfo: ThreadInfo,
   +lastUpdatedTime: number,
   +mostRecentNonLocalMessage: ?string,
 };
 
 export type ToggleMessagePinRequest = {
   +messageID: string,
   +action: 'pin' | 'unpin',
 };
 
 export type ToggleMessagePinResult = {
   +newMessageInfos: $ReadOnlyArray<RawMessageInfo>,
   +threadID: string,
 };
 
 type CreateRoleAction = {
   +community: string,
   +name: string,
   +permissions: $ReadOnlyArray<UserSurfacedPermission>,
   +action: 'create_role',
 };
 
 type EditRoleAction = {
   +community: string,
   +existingRoleID: string,
   +name: string,
   +permissions: $ReadOnlyArray<UserSurfacedPermission>,
   +action: 'edit_role',
 };
 
 export type RoleModificationRequest = CreateRoleAction | EditRoleAction;
 
 export type RoleModificationResult = {
   +threadInfo: LegacyRawThreadInfo | RawThreadInfo,
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
   },
 };
 
 export type RoleModificationPayload = {
   +threadInfo: LegacyRawThreadInfo | RawThreadInfo,
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
   },
 };
 
 export type RoleDeletionRequest = {
   +community: string,
   +roleID: string,
 };
 
 export type RoleDeletionResult = {
   +threadInfo: LegacyRawThreadInfo | RawThreadInfo,
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ServerUpdateInfo>,
   },
 };
 
 export type RoleDeletionPayload = {
   +threadInfo: LegacyRawThreadInfo | RawThreadInfo,
   +updatesResult: {
     +newUpdates: $ReadOnlyArray<ClientUpdateInfo>,
   },
 };
 
 // We can show a max of 3 sidebars inline underneath their parent in the chat
 // tab. If there are more, we show a button that opens a modal to see the rest
 export const maxReadSidebars = 3;
 
 // We can show a max of 5 sidebars inline underneath their parent
 // in the chat tab if every one of the displayed sidebars is unread
 export const maxUnreadSidebars = 5;
 
 export type ThreadStoreThreadInfos = LegacyRawThreadInfos;
 
 export type ChatMentionCandidate = {
   +threadInfo: ResolvedThreadInfo,
   +rawChatName: string | ThreadEntity,
 };
 export type ChatMentionCandidates = {
   +[id: string]: ChatMentionCandidate,
 };
 export type ChatMentionCandidatesObj = {
   +[id: string]: ChatMentionCandidates,
 };
 
 export type UserProfileThreadInfo = {
   +threadInfo: ThreadInfo,
   +pendingPersonalThreadUserInfo?: UserInfo,
 };