Add release notes for 7.12

_locales/en/messages.json

@@ -7238,5 +7238,13 @@
   "icu:WhatsNew__v7.11--0": {
     "messageformat": "We fixed a rendering bug that caused the contacts icon to smash itself right next to the contact's name while viewing the list of participants in a group call. You're probably really close to your contacts, but sometimes you (and the Signal Desktop user interface) both need a little space.",
     "description": "Release notes for version 7.11"
+  },
+  "icu:WhatsNew__v7.12--0": {
+    "messageformat": "Raise your hand if you've been looking for another way to communicate during group calls. The new Raise Hand feature is a simple way to get someone's attention, ask a question, or unanimously vote for a group proposal when your friend asks \"all those in favor?\"",
+    "description": "Release notes for version 7.12"
+  },
+  "icu:WhatsNew__v7.12--1": {
+    "messageformat": "We broke up with a bug in the crop tool, so now it's easier and more intuitive to cut your ex (or anything else) out of the picture.",
+    "description": "Release notes for version 7.12"
   }
 }

ts/components/WhatsNewModal.tsx

@@ -42,7 +42,10 @@ export function WhatsNewModal({
   const releaseNotes: ReleaseNotesType = {
     date: new Date(window.getBuildCreation?.() || Date.now()),
     version: window.getVersion?.(),
-    features: [<I18n i18n={i18n} id="icu:WhatsNew__v7.11--0" />],
+    features: [
+      <I18n i18n={i18n} id="icu:WhatsNew__v7.12--0" />,
+      <I18n i18n={i18n} id="icu:WhatsNew__v7.12--1" />,
+    ],
   };
 
   if (releaseNotes.features.length === 1 && !releaseNotes.header) {