diff --git a/native/chat/chat-thread-list.react.js b/native/chat/chat-thread-list.react.js
index 7b0fbef1d..a801c3168 100644
--- a/native/chat/chat-thread-list.react.js
+++ b/native/chat/chat-thread-list.react.js
@@ -1,678 +1,686 @@
 // @flow
 
 import IonIcon from '@expo/vector-icons/Ionicons.js';
 import invariant from 'invariant';
 import _sum from 'lodash/fp/sum.js';
 import * as React from 'react';
 import {
   View,
   FlatList,
   Platform,
   TextInput,
   TouchableWithoutFeedback,
   BackHandler,
 } from 'react-native';
 import { FloatingAction } from 'react-native-floating-action';
 import Animated from 'react-native-reanimated';
 import { createSelector } from 'reselect';
 
-import { searchUsers } from 'lib/actions/user-actions.js';
+import { searchUsers as searchUsersEndpoint } from 'lib/actions/user-actions.js';
 import { useLoggedInUserInfo } from 'lib/hooks/account-hooks.js';
 import {
   type ChatThreadItem,
   useFlattenedChatListData,
 } from 'lib/selectors/chat-selectors.js';
 import { useGlobalThreadSearchIndex } from 'lib/selectors/nav-selectors.js';
 import { usersWithPersonalThreadSelector } from 'lib/selectors/user-selectors.js';
 import SearchIndex from 'lib/shared/search-index.js';
 import {
   createPendingThread,
   getThreadListSearchResults,
 } from 'lib/shared/thread-utils.js';
 import type { SetState } from 'lib/types/hook-types.js';
-import type { UserSearchResult } from 'lib/types/search-types.js';
 import { threadTypes } from 'lib/types/thread-types-enum.js';
 import type { ThreadInfo } from 'lib/types/thread-types.js';
 import type {
   GlobalAccountUserInfo,
   UserInfo,
   LoggedInUserInfo,
 } from 'lib/types/user-types.js';
 import { useServerCall } from 'lib/utils/action-utils.js';
 
 import {
   ChatThreadListItem,
   chatThreadListItemHeight,
   spacerHeight,
 } from './chat-thread-list-item.react.js';
 import type {
   ChatTopTabsNavigationProp,
   ChatNavigationProp,
 } from './chat.react.js';
 import {
   type MessageListParams,
   useNavigateToThread,
 } from './message-list-types.js';
 import { sidebarHeight } from './sidebar-item.react.js';
 import Button from '../components/button.react.js';
 import Search from '../components/search.react.js';
 import {
   SidebarListModalRouteName,
   HomeChatThreadListRouteName,
   BackgroundChatThreadListRouteName,
   type NavigationRoute,
 } from '../navigation/route-names.js';
 import type { TabNavigationProp } from '../navigation/tab-navigator.react.js';
 import { useSelector } from '../redux/redux-utils.js';
 import {
   type IndicatorStyle,
   indicatorStyleSelector,
   useStyles,
 } from '../themes/colors.js';
 import type { ScrollEvent } from '../types/react-native.js';
 import { AnimatedView, type AnimatedStyleObj } from '../types/styles.js';
 import { animateTowards } from '../utils/animation-utils.js';
 
 const floatingActions = [
   {
     text: 'Compose',
     icon: <IonIcon name="md-create" size={24} color="#FFFFFF" />,
     name: 'compose',
     position: 1,
   },
 ];
 
 /* eslint-disable import/no-named-as-default-member */
 const { Value, Node, interpolateNode, useValue } = Animated;
 /* eslint-enable import/no-named-as-default-member */
 
 type Item =
   | ChatThreadItem
   | { +type: 'search', +searchText: string }
   | { +type: 'empty', +emptyItem: React.ComponentType<{}> };
 
 type BaseProps = {
   +navigation:
     | ChatTopTabsNavigationProp<'HomeChatThreadList'>
     | ChatTopTabsNavigationProp<'BackgroundChatThreadList'>,
   +route:
     | NavigationRoute<'HomeChatThreadList'>
     | NavigationRoute<'BackgroundChatThreadList'>,
   +filterThreads: (threadItem: ThreadInfo) => boolean,
   +emptyItem?: React.ComponentType<{}>,
 };
 type SearchStatus = 'inactive' | 'activating' | 'active';
 type Props = {
   ...BaseProps,
   // Redux state
   +chatListData: $ReadOnlyArray<ChatThreadItem>,
   +loggedInUserInfo: ?LoggedInUserInfo,
   +threadSearchIndex: SearchIndex,
   +styles: typeof unboundStyles,
   +indicatorStyle: IndicatorStyle,
   +usersWithPersonalThread: $ReadOnlySet<string>,
   +navigateToThread: (params: MessageListParams) => void,
-  // async functions that hit server APIs
-  +searchUsers: (usernamePrefix: string) => Promise<UserSearchResult>,
   +searchText: string,
   +setSearchText: SetState<string>,
   +searchStatus: SearchStatus,
   +setSearchStatus: SetState<SearchStatus>,
   +threadsSearchResults: Set<string>,
   +setThreadsSearchResults: SetState<Set<string>>,
   +usersSearchResults: $ReadOnlyArray<GlobalAccountUserInfo>,
   +setUsersSearchResults: SetState<$ReadOnlyArray<GlobalAccountUserInfo>>,
   +openedSwipeableID: string,
   +setOpenedSwipeableID: SetState<string>,
   +numItemsToDisplay: number,
   +setNumItemsToDisplay: SetState<number>,
   +searchCancelButtonOpen: Value,
   +searchCancelButtonProgress: Node,
   +searchCancelButtonOffset: Node,
+  +searchUsers: (
+    usernamePrefix: string,
+  ) => Promise<$ReadOnlyArray<GlobalAccountUserInfo>>,
+  +onChangeSearchText: (searchText: string) => Promise<void>,
 };
 
 class ChatThreadList extends React.PureComponent<Props> {
   searchInput: ?React.ElementRef<typeof TextInput>;
   flatList: ?FlatList<Item>;
   scrollPos = 0;
   clearNavigationBlurListener: ?() => mixed;
 
   constructor(props: Props) {
     super(props);
   }
 
   componentDidMount() {
     this.clearNavigationBlurListener = this.props.navigation.addListener(
       'blur',
       () => {
         this.props.setNumItemsToDisplay(25);
       },
     );
 
     const chatNavigation: ?ChatNavigationProp<'ChatThreadList'> =
       this.props.navigation.getParent();
     invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
     const tabNavigation: ?TabNavigationProp<'Chat'> =
       chatNavigation.getParent();
     invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
     tabNavigation.addListener('tabPress', this.onTabPress);
 
     BackHandler.addEventListener('hardwareBackPress', this.hardwareBack);
   }
 
   componentWillUnmount() {
     this.clearNavigationBlurListener && this.clearNavigationBlurListener();
 
     const chatNavigation: ?ChatNavigationProp<'ChatThreadList'> =
       this.props.navigation.getParent();
     invariant(chatNavigation, 'ChatNavigator should be within TabNavigator');
     const tabNavigation: ?TabNavigationProp<'Chat'> =
       chatNavigation.getParent();
     invariant(tabNavigation, 'ChatNavigator should be within TabNavigator');
     tabNavigation.removeListener('tabPress', this.onTabPress);
 
     BackHandler.removeEventListener('hardwareBackPress', this.hardwareBack);
   }
 
   hardwareBack = () => {
     if (!this.props.navigation.isFocused()) {
       return false;
     }
 
     const { searchStatus } = this.props;
     const isActiveOrActivating =
       searchStatus === 'active' || searchStatus === 'activating';
     if (!isActiveOrActivating) {
       return false;
     }
 
     this.onSearchCancel();
     return true;
   };
 
   componentDidUpdate(prevProps: Props) {
     const { searchStatus } = this.props;
     const prevSearchStatus = prevProps.searchStatus;
 
     const isActiveOrActivating =
       searchStatus === 'active' || searchStatus === 'activating';
     const wasActiveOrActivating =
       prevSearchStatus === 'active' || prevSearchStatus === 'activating';
     if (isActiveOrActivating && !wasActiveOrActivating) {
       this.props.searchCancelButtonOpen.setValue(1);
     } else if (!isActiveOrActivating && wasActiveOrActivating) {
       this.props.searchCancelButtonOpen.setValue(0);
     }
 
     const { flatList } = this;
     if (!flatList) {
       return;
     }
 
     if (this.props.searchText !== prevProps.searchText) {
       flatList.scrollToOffset({ offset: 0, animated: false });
       return;
     }
 
     if (searchStatus === 'activating' && prevSearchStatus === 'inactive') {
       flatList.scrollToOffset({ offset: 0, animated: true });
     }
   }
 
   onTabPress = () => {
     if (!this.props.navigation.isFocused()) {
       return;
     }
     if (this.scrollPos > 0 && this.flatList) {
       this.flatList.scrollToOffset({ offset: 0, animated: true });
     } else if (this.props.route.name === BackgroundChatThreadListRouteName) {
       this.props.navigation.navigate({ name: HomeChatThreadListRouteName });
     }
   };
 
   onSearchFocus = () => {
     if (this.props.searchStatus !== 'inactive') {
       return;
     }
     if (this.scrollPos === 0) {
       this.props.setSearchStatus('active');
     } else {
       this.props.setSearchStatus('activating');
     }
   };
 
   clearSearch() {
     const { flatList } = this;
     flatList && flatList.scrollToOffset({ offset: 0, animated: false });
     this.props.setSearchStatus('inactive');
   }
 
   onSearchBlur = () => {
     if (this.props.searchStatus !== 'active') {
       return;
     }
     this.clearSearch();
   };
 
   onSearchCancel = () => {
-    this.onChangeSearchText('');
+    this.props.onChangeSearchText('');
     this.clearSearch();
   };
 
   renderSearch(additionalProps?: $Shape<React.ElementConfig<typeof Search>>) {
     const animatedSearchBoxStyle: AnimatedStyleObj = {
       marginRight: this.props.searchCancelButtonOffset,
     };
     const searchBoxStyle = [
       this.props.styles.searchBox,
       animatedSearchBoxStyle,
     ];
     const buttonStyle = [
       this.props.styles.cancelSearchButtonText,
       { opacity: this.props.searchCancelButtonProgress },
     ];
     return (
       <View style={this.props.styles.searchContainer}>
         <Button
           onPress={this.onSearchCancel}
           disabled={this.props.searchStatus !== 'active'}
           style={this.props.styles.cancelSearchButton}
         >
           {/* eslint-disable react-native/no-raw-text */}
           <Animated.Text style={buttonStyle}>Cancel</Animated.Text>
           {/* eslint-enable react-native/no-raw-text */}
         </Button>
         <AnimatedView style={searchBoxStyle}>
           <Search
             searchText={this.props.searchText}
-            onChangeText={this.onChangeSearchText}
+            onChangeText={this.props.onChangeSearchText}
             containerStyle={this.props.styles.search}
             onBlur={this.onSearchBlur}
             placeholder="Search chats"
             ref={this.searchInputRef}
             {...additionalProps}
           />
         </AnimatedView>
       </View>
     );
   }
 
   searchInputRef = (searchInput: ?React.ElementRef<typeof TextInput>) => {
     this.searchInput = searchInput;
   };
 
   renderItem = (row: { item: Item, ... }) => {
     const item = row.item;
     if (item.type === 'search') {
       return (
         <TouchableWithoutFeedback onPress={this.onSearchFocus}>
           {this.renderSearch({ active: false })}
         </TouchableWithoutFeedback>
       );
     }
     if (item.type === 'empty') {
       const EmptyItem = item.emptyItem;
       return <EmptyItem />;
     }
     return (
       <ChatThreadListItem
         data={item}
         onPressItem={this.onPressItem}
         onPressSeeMoreSidebars={this.onPressSeeMoreSidebars}
         onSwipeableWillOpen={this.onSwipeableWillOpen}
         currentlyOpenedSwipeableId={this.props.openedSwipeableID}
       />
     );
   };
 
   static keyExtractor = (item: Item) => {
     if (item.type === 'chatThreadItem') {
       return item.threadInfo.id;
     } else if (item.type === 'empty') {
       return 'empty';
     } else {
       return 'search';
     }
   };
 
   static getItemLayout = (data: ?$ReadOnlyArray<Item>, index: number) => {
     if (!data) {
       return { length: 0, offset: 0, index };
     }
     const offset = ChatThreadList.heightOfItems(
       data.filter((_, i) => i < index),
     );
     const item = data[index];
     const length = item ? ChatThreadList.itemHeight(item) : 0;
     return { length, offset, index };
   };
 
   static itemHeight = (item: Item) => {
     if (item.type === 'search') {
       return Platform.OS === 'ios' ? 54.5 : 55;
     }
 
     // itemHeight for emptyItem might be wrong because of line wrapping
     // but we don't care because we'll only ever be rendering this item
     // by itself and it should always be on-screen
     if (item.type === 'empty') {
       return 123;
     }
 
     let height = chatThreadListItemHeight;
     height += item.sidebars.length * sidebarHeight;
     if (item.sidebars.length > 0) {
       height += spacerHeight;
     }
     return height;
   };
 
   static heightOfItems(data: $ReadOnlyArray<Item>): number {
     return _sum(data.map(ChatThreadList.itemHeight));
   }
 
   listDataSelector = createSelector(
     (props: Props) => props.chatListData,
     (props: Props) => props.searchStatus,
     (props: Props) => props.searchText,
     (props: Props) => props.threadsSearchResults,
     (props: Props) => props.emptyItem,
     (props: Props) => props.usersSearchResults,
     (props: Props) => props.filterThreads,
     (props: Props) => props.loggedInUserInfo,
     (
       reduxChatListData: $ReadOnlyArray<ChatThreadItem>,
       searchStatus: SearchStatus,
       searchText: string,
       threadsSearchResults: Set<string>,
       emptyItem?: React.ComponentType<{}>,
       usersSearchResults: $ReadOnlyArray<GlobalAccountUserInfo>,
       filterThreads: ThreadInfo => boolean,
       loggedInUserInfo: ?LoggedInUserInfo,
     ): $ReadOnlyArray<Item> => {
       const chatThreadItems = getThreadListSearchResults(
         reduxChatListData,
         searchText,
         filterThreads,
         threadsSearchResults,
         usersSearchResults,
         loggedInUserInfo,
       );
 
       const chatItems: Item[] = [...chatThreadItems];
 
       if (emptyItem && chatItems.length === 0) {
         chatItems.push({ type: 'empty', emptyItem });
       }
 
       if (searchStatus === 'inactive' || searchStatus === 'activating') {
         chatItems.unshift({ type: 'search', searchText });
       }
 
       return chatItems;
     },
   );
 
   partialListDataSelector = createSelector(
     this.listDataSelector,
     (props: Props) => props.numItemsToDisplay,
     (items: $ReadOnlyArray<Item>, numItemsToDisplay: number) =>
       items.slice(0, numItemsToDisplay),
   );
 
   get fullListData() {
     return this.listDataSelector({ ...this.props, ...this.state });
   }
 
   get listData() {
     return this.partialListDataSelector({ ...this.props, ...this.state });
   }
 
   onEndReached = () => {
     if (this.listData.length === this.fullListData.length) {
       return;
     }
     this.props.setNumItemsToDisplay(prevNumItems => prevNumItems + 25);
   };
 
   render() {
     let floatingAction;
     if (Platform.OS === 'android') {
       floatingAction = (
         <FloatingAction
           actions={floatingActions}
           overrideWithAction
           onPressItem={this.composeThread}
           color="#7e57c2"
         />
       );
     }
     let fixedSearch;
     const { searchStatus } = this.props;
     if (searchStatus === 'active') {
       fixedSearch = this.renderSearch({ autoFocus: true });
     }
     const scrollEnabled =
       searchStatus === 'inactive' || searchStatus === 'active';
     // viewerID is in extraData since it's used by MessagePreview
     // within ChatThreadListItem
     const viewerID = this.props.loggedInUserInfo?.id;
     const extraData = `${viewerID || ''} ${this.props.openedSwipeableID}`;
     return (
       <View style={this.props.styles.container}>
         {fixedSearch}
         <FlatList
           data={this.listData}
           renderItem={this.renderItem}
           keyExtractor={ChatThreadList.keyExtractor}
           getItemLayout={ChatThreadList.getItemLayout}
           extraData={extraData}
           initialNumToRender={11}
           keyboardShouldPersistTaps="handled"
           onScroll={this.onScroll}
           style={this.props.styles.flatList}
           indicatorStyle={this.props.indicatorStyle}
           scrollEnabled={scrollEnabled}
           onEndReached={this.onEndReached}
           onEndReachedThreshold={1}
           ref={this.flatListRef}
         />
         {floatingAction}
       </View>
     );
   }
 
   flatListRef = (flatList: ?FlatList<Item>) => {
     this.flatList = flatList;
   };
 
   onScroll = (event: ScrollEvent) => {
     const oldScrollPos = this.scrollPos;
     this.scrollPos = event.nativeEvent.contentOffset.y;
     if (this.scrollPos !== 0 || oldScrollPos === 0) {
       return;
     }
     if (this.props.searchStatus === 'activating') {
       this.props.setSearchStatus('active');
     }
   };
 
-  async searchUsers(usernamePrefix: string) {
-    if (usernamePrefix.length === 0) {
-      return [];
-    }
-
-    const { userInfos } = await this.props.searchUsers(usernamePrefix);
-    return userInfos.filter(
-      info =>
-        !this.props.usersWithPersonalThread.has(info.id) &&
-        info.id !== this.props.loggedInUserInfo?.id,
-    );
-  }
-
-  onChangeSearchText = async (searchText: string) => {
-    const results = this.props.threadSearchIndex.getSearchResults(searchText);
-    this.props.setSearchText(searchText);
-    this.props.setThreadsSearchResults(new Set(results));
-    this.props.setNumItemsToDisplay(25);
-    const usersSearchResults = await this.searchUsers(searchText);
-    this.props.setUsersSearchResults(usersSearchResults);
-  };
-
   onPressItem = (
     threadInfo: ThreadInfo,
     pendingPersonalThreadUserInfo?: UserInfo,
   ) => {
-    this.onChangeSearchText('');
+    this.props.onChangeSearchText('');
     if (this.searchInput) {
       this.searchInput.blur();
     }
     this.props.navigateToThread({ threadInfo, pendingPersonalThreadUserInfo });
   };
 
   onPressSeeMoreSidebars = (threadInfo: ThreadInfo) => {
-    this.onChangeSearchText('');
+    this.props.onChangeSearchText('');
     if (this.searchInput) {
       this.searchInput.blur();
     }
     this.props.navigation.navigate<'SidebarListModal'>({
       name: SidebarListModalRouteName,
       params: { threadInfo },
     });
   };
 
   onSwipeableWillOpen = (threadInfo: ThreadInfo) => {
     this.props.setOpenedSwipeableID(threadInfo.id);
   };
 
   composeThread = () => {
     const { loggedInUserInfo } = this.props;
     if (!loggedInUserInfo) {
       return;
     }
     const threadInfo = createPendingThread({
       viewerID: loggedInUserInfo.id,
       threadType: threadTypes.PRIVATE,
       members: [loggedInUserInfo],
     });
     this.props.navigateToThread({ threadInfo, searching: true });
   };
 }
 
 const unboundStyles = {
   icon: {
     fontSize: 28,
   },
   container: {
     flex: 1,
   },
   searchContainer: {
     backgroundColor: 'listBackground',
     display: 'flex',
     justifyContent: 'center',
     flexDirection: 'row',
   },
   searchBox: {
     flex: 1,
   },
   search: {
     marginBottom: 8,
     marginHorizontal: 18,
     marginTop: 16,
   },
   cancelSearchButton: {
     position: 'absolute',
     right: 0,
     top: 0,
     bottom: 0,
     display: 'flex',
     justifyContent: 'center',
   },
   cancelSearchButtonText: {
     color: 'link',
     fontSize: 16,
     paddingHorizontal: 16,
     paddingTop: 8,
   },
   flatList: {
     flex: 1,
     backgroundColor: 'listBackground',
   },
 };
 
 function ConnectedChatThreadList(props: BaseProps): React.Node {
   const boundChatListData = useFlattenedChatListData();
   const loggedInUserInfo = useLoggedInUserInfo();
   const threadSearchIndex = useGlobalThreadSearchIndex();
   const styles = useStyles(unboundStyles);
   const indicatorStyle = useSelector(indicatorStyleSelector);
-  const callSearchUsers = useServerCall(searchUsers);
+  const callSearchUsers = useServerCall(searchUsersEndpoint);
   const usersWithPersonalThread = useSelector(usersWithPersonalThreadSelector);
 
   const navigateToThread = useNavigateToThread();
 
   const { navigation, route, filterThreads, emptyItem } = props;
 
   const [searchText, setSearchText] = React.useState<string>('');
   const [searchStatus, setSearchStatus] =
     React.useState<SearchStatus>('inactive');
 
   const [threadsSearchResults, setThreadsSearchResults] = React.useState<
     Set<string>,
   >(new Set());
 
   const [usersSearchResults, setUsersSearchResults] = React.useState<
     $ReadOnlyArray<GlobalAccountUserInfo>,
   >([]);
 
   const [openedSwipeableID, setOpenedSwipeableID] = React.useState<string>('');
   const [numItemsToDisplay, setNumItemsToDisplay] = React.useState<number>(25);
 
   const searchCancelButtonOpen: Value = useValue(0);
   const searchCancelButtonProgress: Node = React.useMemo(
     () => animateTowards(searchCancelButtonOpen, 100),
     [searchCancelButtonOpen],
   );
   const searchCancelButtonOffset: Node = React.useMemo(
     () =>
       interpolateNode(searchCancelButtonProgress, {
         inputRange: [0, 1],
         outputRange: [0, 56],
       }),
     [searchCancelButtonProgress],
   );
 
+  const searchUsers = React.useCallback(
+    async (usernamePrefix: string) => {
+      if (usernamePrefix.length === 0) {
+        return [];
+      }
+
+      const { userInfos } = await callSearchUsers(usernamePrefix);
+      return userInfos.filter(
+        info =>
+          !usersWithPersonalThread.has(info.id) &&
+          info.id !== loggedInUserInfo?.id,
+      );
+    },
+    [callSearchUsers, loggedInUserInfo?.id, usersWithPersonalThread],
+  );
+
+  const onChangeSearchText = React.useCallback(
+    async (updatedSearchText: string) => {
+      const results = threadSearchIndex.getSearchResults(updatedSearchText);
+      setSearchText(updatedSearchText);
+      setThreadsSearchResults(new Set(results));
+      setNumItemsToDisplay(25);
+      const searchResults = await searchUsers(updatedSearchText);
+      setUsersSearchResults(searchResults);
+    },
+    [searchUsers, threadSearchIndex],
+  );
+
   return (
     <ChatThreadList
       navigation={navigation}
       route={route}
       filterThreads={filterThreads}
       emptyItem={emptyItem}
       chatListData={boundChatListData}
       loggedInUserInfo={loggedInUserInfo}
       threadSearchIndex={threadSearchIndex}
       styles={styles}
       indicatorStyle={indicatorStyle}
-      searchUsers={callSearchUsers}
       usersWithPersonalThread={usersWithPersonalThread}
       navigateToThread={navigateToThread}
       searchText={searchText}
       setSearchText={setSearchText}
       searchStatus={searchStatus}
       setSearchStatus={setSearchStatus}
       threadsSearchResults={threadsSearchResults}
       setThreadsSearchResults={setThreadsSearchResults}
       usersSearchResults={usersSearchResults}
       setUsersSearchResults={setUsersSearchResults}
       openedSwipeableID={openedSwipeableID}
       setOpenedSwipeableID={setOpenedSwipeableID}
       numItemsToDisplay={numItemsToDisplay}
       setNumItemsToDisplay={setNumItemsToDisplay}
       searchCancelButtonOpen={searchCancelButtonOpen}
       searchCancelButtonProgress={searchCancelButtonProgress}
       searchCancelButtonOffset={searchCancelButtonOffset}
+      searchUsers={searchUsers}
+      onChangeSearchText={onChangeSearchText}
     />
   );
 }
 
 export default ConnectedChatThreadList;