Merge pull request #31862 from overleaf/mj-system-theme-split-test-dates

[web] Update dates for system theme split test

GitOrigin-RevId: 735b99e234d7613e057947d70ca8e2d8364e30aa

services/web/app/src/Features/Project/UserSettingsHelper.mjs

@@ -30,7 +30,7 @@ async function getEnableNewEditorLegacyDefault(req, res, user) {
   return false
 }
 
-const SYSTEM_THEME_USER_CUTOFF_DATE = new Date(Date.UTC(2026, 1, 15, 12, 0, 0)) // 12pm GMT on February 15, 2026
+const SYSTEM_THEME_USER_CUTOFF_DATE = new Date(Date.UTC(2026, 2, 2, 12, 0, 0)) // 12pm GMT on March 2, 2026
 
 async function getOverallTheme(req, res, user) {
   if (user.ace.overallTheme != null) {

services/web/frontend/js/features/project-list/components/sidebar/themed-project-dashboard-notification.tsx

@@ -6,8 +6,7 @@ import { useActiveOverallTheme } from '@/shared/hooks/use-active-overall-theme'
 import { Overlay, Popover } from 'react-bootstrap'
 import { useTranslation } from 'react-i18next'
 
-// TODO: Update this before release
-const NEW_USER_CUTOFF_DATE = new Date('2026-02-15')
+const SYSTEM_THEME_USER_CUTOFF_DATE = new Date(Date.UTC(2026, 2, 2, 12, 0, 0)) // 12pm GMT on March 2, 2026
 
 type ThemedProjectDashboardNotificationProps = {
   target: HTMLElement | null
@@ -25,7 +24,7 @@ export const ThemedProjectDashboardNotification = ({
   } = useUserSettingsContext()
   const { signUpDate: signUpDateString } = useUserContext()
   const signUpDate = signUpDateString ? new Date(signUpDateString) : new Date(0)
-  const isNewUser = signUpDate > NEW_USER_CUTOFF_DATE
+  const isNewUser = signUpDate >= SYSTEM_THEME_USER_CUTOFF_DATE
   const { t } = useTranslation()
 
   if (!target) {

services/web/test/unit/src/Project/UserSettingsHelper.test.mjs

@@ -50,7 +50,7 @@ describe('UserSettingsHelper', function () {
       beforeEach(async function (ctx) {
         const user = {
           ace: {},
-          signUpDate: new Date('2026-02-16T00:00:00Z'),
+          signUpDate: new Date('2027-02-16T00:00:00Z'),
         }
 
         ctx.SplitTestHandler.promises.getAssignment
@@ -79,7 +79,7 @@ describe('UserSettingsHelper', function () {
       beforeEach(async function (ctx) {
         const user = {
           ace: {},
-          signUpDate: new Date('2026-02-16T00:00:00Z'),
+          signUpDate: new Date('2027-02-16T00:00:00Z'),
         }
 
         ctx.SplitTestHandler.promises.getAssignment