diff --git a/_locales/en/messages.json b/_locales/en/messages.json
index ee2a2b0f16..a5df9b84d9 100644
--- a/_locales/en/messages.json
+++ b/_locales/en/messages.json
@@ -7731,5 +7731,13 @@
   "icu:WhatsNew__v7.39--0": {
     "messageformat": "Now you can adjust the size of the chat list sidebar on touchscreen devices. So when you try to drag it won't be such a drag, and the smudges on your screen are simply evidence of the power emanating from your fingertips.",
     "description": "Release notes for version 7.39"
+  },
+  "icu:WhatsNew__v7.40--0": {
+    "messageformat": "We fixed a rare bug that prevented some chats from opening correctly after they were selected, so now Signal Desktop doesn't also draw a blank while you're trying to remember what they said.",
+    "description": "Release notes for version 7.40"
+  },
+  "icu:WhatsNew__v7.40--1": {
+    "messageformat": "Now when you link your primary Signal device to a new Desktop or iPad, you can bring your chat history and your last 45 days of media with you. The transfer process is end-to-end encrypted, and completely optional. When it comes to making the choice about whether or not to leave the past behind, you're left to your own devices.",
+    "description": "Release notes for version 7.40"
   }
 }
diff --git a/ts/components/WhatsNewModal.tsx b/ts/components/WhatsNewModal.tsx
index 497817700c..75357e56ed 100644
--- a/ts/components/WhatsNewModal.tsx
+++ b/ts/components/WhatsNewModal.tsx
@@ -39,10 +39,12 @@ export function WhatsNewModal({
 }: PropsType): JSX.Element {
   let contentNode: ReactNode;
 
+  // Use later: icu:WhatsNew__v7.40--1
+
   const releaseNotes: ReleaseNotesType = {
     date: new Date(window.getBuildCreation?.() || Date.now()),
     version: window.getVersion?.(),
-    features: [<I18n i18n={i18n} id="icu:WhatsNew__v7.39--0" />],
+    features: [<I18n i18n={i18n} id="icu:WhatsNew__v7.40--0" />],
   };
 
   if (releaseNotes.features.length === 1 && !releaseNotes.header) {