diff --git a/lib/types/redux-types.js b/lib/types/redux-types.js
--- a/lib/types/redux-types.js
+++ b/lib/types/redux-types.js
@@ -117,27 +117,27 @@
 import type { NotifPermissionAlertInfo } from '../utils/push-alerts.js';
 
 export type BaseAppState<NavInfo: BaseNavInfo> = {
-  navInfo: NavInfo,
-  currentUserInfo: ?CurrentUserInfo,
-  draftStore: DraftStore,
-  entryStore: EntryStore,
-  threadStore: ThreadStore,
-  userStore: UserStore,
-  messageStore: MessageStore,
-  updatesCurrentAsOf: number, // millisecond timestamp
-  loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
-  calendarFilters: $ReadOnlyArray<CalendarFilter>,
-  urlPrefix: string,
-  notifPermissionAlertInfo: NotifPermissionAlertInfo,
-  connection: ConnectionInfo,
-  watchedThreadIDs: $ReadOnlyArray<string>,
-  lifecycleState: LifecycleState,
-  enabledApps: EnabledApps,
-  reportStore: ReportStore,
-  nextLocalID: number,
-  dataLoaded: boolean,
-  userPolicies: UserPolicies,
-  deviceToken: ?string,
+  +navInfo: NavInfo,
+  +currentUserInfo: ?CurrentUserInfo,
+  +draftStore: DraftStore,
+  +entryStore: EntryStore,
+  +threadStore: ThreadStore,
+  +userStore: UserStore,
+  +messageStore: MessageStore,
+  +updatesCurrentAsOf: number, // millisecond timestamp
+  +loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
+  +calendarFilters: $ReadOnlyArray<CalendarFilter>,
+  +urlPrefix: string,
+  +notifPermissionAlertInfo: NotifPermissionAlertInfo,
+  +connection: ConnectionInfo,
+  +watchedThreadIDs: $ReadOnlyArray<string>,
+  +lifecycleState: LifecycleState,
+  +enabledApps: EnabledApps,
+  +reportStore: ReportStore,
+  +nextLocalID: number,
+  +dataLoaded: boolean,
+  +userPolicies: UserPolicies,
+  +deviceToken: ?string,
   +commServicesAccessToken: ?string,
   +inviteLinksStore: InviteLinksStore,
   +lastCommunicatedPlatformDetails: LastCommunicatedPlatformDetails,
@@ -148,13 +148,13 @@
 // Web JS runtime doesn't have access to the cookie for security reasons.
 // Native JS doesn't have a sessionID because the cookieID is used instead.
 export type NativeAppState = BaseAppState<*> & {
-  sessionID?: void,
+  +sessionID?: void,
   ...
 };
 export type WebAppState = BaseAppState<*> & {
-  sessionID: ?string,
-  cryptoStore: CryptoStore,
-  pushApiPublicKey: ?string,
+  +sessionID: ?string,
+  +cryptoStore: CryptoStore,
+  +pushApiPublicKey: ?string,
   ...
 };
 export type AppState = NativeAppState | WebAppState;
diff --git a/native/redux/state-types.js b/native/redux/state-types.js
--- a/native/redux/state-types.js
+++ b/native/redux/state-types.js
@@ -27,37 +27,37 @@
 import type { GlobalThemeInfo } from '../types/themes.js';
 
 export type AppState = {
-  navInfo: NavInfo,
-  currentUserInfo: ?CurrentUserInfo,
-  draftStore: DraftStore,
-  entryStore: EntryStore,
-  threadStore: ThreadStore,
-  userStore: UserStore,
-  messageStore: MessageStore,
-  storeLoaded: boolean,
-  updatesCurrentAsOf: number,
-  loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
-  calendarFilters: $ReadOnlyArray<CalendarFilter>,
-  deviceToken: ?string,
-  dataLoaded: boolean,
-  urlPrefix: string,
-  customServer: ?string,
-  notifPermissionAlertInfo: NotifPermissionAlertInfo,
-  connection: ConnectionInfo,
-  watchedThreadIDs: $ReadOnlyArray<string>,
-  lifecycleState: LifecycleState,
-  enabledApps: EnabledApps,
-  reportStore: ReportStore,
-  nextLocalID: number,
-  _persist: ?PersistState,
-  sessionID?: void,
-  dimensions: DimensionsInfo,
-  connectivity: ConnectivityInfo,
-  globalThemeInfo: GlobalThemeInfo,
-  deviceCameraInfo: DeviceCameraInfo,
-  deviceOrientation: Orientations,
-  frozen: boolean,
-  userPolicies: UserPolicies,
+  +navInfo: NavInfo,
+  +currentUserInfo: ?CurrentUserInfo,
+  +draftStore: DraftStore,
+  +entryStore: EntryStore,
+  +threadStore: ThreadStore,
+  +userStore: UserStore,
+  +messageStore: MessageStore,
+  +storeLoaded: boolean,
+  +updatesCurrentAsOf: number,
+  +loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
+  +calendarFilters: $ReadOnlyArray<CalendarFilter>,
+  +deviceToken: ?string,
+  +dataLoaded: boolean,
+  +urlPrefix: string,
+  +customServer: ?string,
+  +notifPermissionAlertInfo: NotifPermissionAlertInfo,
+  +connection: ConnectionInfo,
+  +watchedThreadIDs: $ReadOnlyArray<string>,
+  +lifecycleState: LifecycleState,
+  +enabledApps: EnabledApps,
+  +reportStore: ReportStore,
+  +nextLocalID: number,
+  +_persist: ?PersistState,
+  +sessionID?: void,
+  +dimensions: DimensionsInfo,
+  +connectivity: ConnectivityInfo,
+  +globalThemeInfo: GlobalThemeInfo,
+  +deviceCameraInfo: DeviceCameraInfo,
+  +deviceOrientation: Orientations,
+  +frozen: boolean,
+  +userPolicies: UserPolicies,
   +commServicesAccessToken: ?string,
   +inviteLinksStore: InviteLinksStore,
   +lastCommunicatedPlatformDetails: LastCommunicatedPlatformDetails,
diff --git a/web/redux/redux-setup.js b/web/redux/redux-setup.js
--- a/web/redux/redux-setup.js
+++ b/web/redux/redux-setup.js
@@ -67,36 +67,36 @@
 };
 
 export type AppState = {
-  navInfo: NavInfo,
-  deviceID: ?string,
-  currentUserInfo: ?CurrentUserInfo,
-  draftStore: DraftStore,
-  sessionID: ?string,
-  entryStore: EntryStore,
-  threadStore: ThreadStore,
-  userStore: UserStore,
-  messageStore: MessageStore,
-  updatesCurrentAsOf: number,
-  loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
-  calendarFilters: $ReadOnlyArray<CalendarFilter>,
-  communityPickerStore: CommunityPickerStore,
-  urlPrefix: string,
-  windowDimensions: WindowDimensions,
-  deviceToken: ?string,
-  baseHref: string,
-  notifPermissionAlertInfo: NotifPermissionAlertInfo,
-  connection: ConnectionInfo,
-  watchedThreadIDs: $ReadOnlyArray<string>,
-  lifecycleState: LifecycleState,
-  enabledApps: EnabledApps,
-  reportStore: ReportStore,
-  nextLocalID: number,
-  dataLoaded: boolean,
-  windowActive: boolean,
-  userPolicies: UserPolicies,
-  cryptoStore: CryptoStore,
-  pushApiPublicKey: ?string,
-  _persist: ?PersistState,
+  +navInfo: NavInfo,
+  +deviceID: ?string,
+  +currentUserInfo: ?CurrentUserInfo,
+  +draftStore: DraftStore,
+  +sessionID: ?string,
+  +entryStore: EntryStore,
+  +threadStore: ThreadStore,
+  +userStore: UserStore,
+  +messageStore: MessageStore,
+  +updatesCurrentAsOf: number,
+  +loadingStatuses: { [key: string]: { [idx: number]: LoadingStatus } },
+  +calendarFilters: $ReadOnlyArray<CalendarFilter>,
+  +communityPickerStore: CommunityPickerStore,
+  +urlPrefix: string,
+  +windowDimensions: WindowDimensions,
+  +deviceToken: ?string,
+  +baseHref: string,
+  +notifPermissionAlertInfo: NotifPermissionAlertInfo,
+  +connection: ConnectionInfo,
+  +watchedThreadIDs: $ReadOnlyArray<string>,
+  +lifecycleState: LifecycleState,
+  +enabledApps: EnabledApps,
+  +reportStore: ReportStore,
+  +nextLocalID: number,
+  +dataLoaded: boolean,
+  +windowActive: boolean,
+  +userPolicies: UserPolicies,
+  +cryptoStore: CryptoStore,
+  +pushApiPublicKey: ?string,
+  +_persist: ?PersistState,
   +commServicesAccessToken: ?string,
   +inviteLinksStore: InviteLinksStore,
   +lastCommunicatedPlatformDetails: LastCommunicatedPlatformDetails,