fix: hide banner until we can create new groups

ts/components/conversation/SessionConversation.tsx

@@ -69,6 +69,7 @@ import {
   useSelectedWeAreAdmin,
 } from '../../state/selectors/selectedConversation';
 import { useSelectedDisableLegacyGroupDeprecatedActions } from '../../hooks/useRefreshReleasedFeaturesTimestamp';
+import { useAreGroupsCreatedAsNewGroupsYet } from '../../state/selectors/releasedFeatures';
 
 const DEFAULT_JPEG_QUALITY = 0.85;
 
@@ -675,6 +676,8 @@ function OutdatedLegacyGroupBanner() {
   const isLegacyGroup =
     !isPrivate && !isPublic && selectedConversationKey && selectedConversationKey.startsWith('05');
 
+  const newGroupsCanBeCreated = useAreGroupsCreatedAsNewGroupsYet();
+
   // FIXME change the date here. Remove after QA
   const text = deprecatedLegacyGroups
     ? localize(
@@ -686,7 +689,7 @@ function OutdatedLegacyGroupBanner() {
         .withArgs({ date: '[Date]' })
         .toString();
 
-  return isLegacyGroup ? (
+  return isLegacyGroup && newGroupsCanBeCreated ? (
     <NoticeBanner
       text={text}
       onBannerClick={() => {

ts/components/conversation/header/ConversationHeader.tsx

@@ -25,6 +25,7 @@ import { groupInfoActions } from '../../../state/ducks/metaGroups';
 import { updateConfirmModal } from '../../../state/ducks/modalDialog';
 import { setLeftOverlayMode } from '../../../state/ducks/section';
 import { SessionButtonColor, SessionButton } from '../../basic/SessionButton';
+import { useAreGroupsCreatedAsNewGroupsYet } from '../../../state/selectors/releasedFeatures';
 
 export const ConversationHeaderWithDetails = () => {
   const isSelectionMode = useIsMessageSelectionMode();
@@ -121,8 +122,9 @@ function RecreateGroupButton() {
   const weAreAdmin = useSelectedWeAreAdmin();
 
   const showRecreateGroupModal = useShowRecreateModal();
+  const newGroupsCanBeCreated = useAreGroupsCreatedAsNewGroupsYet();
 
-  if (!isLegacyGroup || !weAreAdmin) {
+  if (!isLegacyGroup || !weAreAdmin || !newGroupsCanBeCreated) {
     return null;
   }
 

ts/state/ducks/releasedFeatures.tsx

@@ -4,11 +4,16 @@ import { DURATION } from '../../session/constants';
 // update this to be when we ship desktop groups REMOVE AFTER QA
 const GROUP_DESKTOP_RELEASE = 1767225600 * 1000; // currently  Thursday, January 1, 2026 12:00:00 AM
 
-// FIXME update this to the correct timestamp REMOVE AFTER QA
+/**
+ * 1 week after the release of groups (more or less), we force new groups to be created as new groups
+ */
 export const START_CREATE_NEW_GROUP_TIMESTAMP_MS = GROUP_DESKTOP_RELEASE + DURATION.WEEKS * 1;
 
-// FIXME update this to the correct timestamp REMOVE AFTER QA
+/**
-export const LEGACY_GROUP_DEPRECATED_TIMESTAMP_MS = GROUP_DESKTOP_RELEASE + DURATION.WEEKS * 3;
+ * 2 weeks after `START_CREATE_NEW_GROUP_TIMESTAMP_MS`, we mark legacy groups readonly
+ */
+export const LEGACY_GROUP_DEPRECATED_TIMESTAMP_MS =
+  START_CREATE_NEW_GROUP_TIMESTAMP_MS + DURATION.WEEKS * 2;
 
 export interface ReleasedFeaturesState {
   legacyGroupDeprecationTimestampRefreshAtMs: number;