Update WhatsNew

_locales/en/messages.json

@@ -7003,10 +7003,13 @@
     "messageformat": "Small tweaks, bug fixes, and performance enhancements. Thanks for using Signal!",
     "description": "Release notes for releases that only include bug fixes"
   },
-  "icu:WhatsNew__v6.37--0": {
-    "messageformat": "We've added a new way to keep your Signal contacts nice and tidy. This Halloween season, remove the ghost of an old contact. Just click on the three dots next to their name in the contact list on the New Chat screen and select \"Remove.\""
-  },
   "icu:WhatsNew__v6.38--0": {
     "messageformat": "This release includes an updated design for Signal voice and video calls. Now the calling user interface will still look fantastic even if your camera isn't on and you can't stare at your own beautiful reflection."
+  },
+  "icu:WhatsNew__v6.39--0": {
+    "messageformat": "Now you can change your selected language in Signal without changing your system settings (Signal Settings > Appearance > Language)."
+  },
+  "icu:WhatsNew__v6.39--1": {
+    "messageformat": "We fixed a brief delay that sometimes occurred while joining a call lobby on macOS devices, which should get rid of at least one excuse for being a half-second late to the meeting."
   }
 }

ts/components/WhatsNewModal.tsx

@@ -29,7 +29,10 @@ export function WhatsNewModal({
   const releaseNotes: ReleaseNotesType = {
     date: new Date(window.getBuildCreation?.() || Date.now()),
     version: window.getVersion?.(),
-    features: [<Intl i18n={i18n} id="icu:WhatsNew__v6.38--0" />],
+    features: [
+      <Intl i18n={i18n} id="icu:WhatsNew__v6.39--0" />,
+      <Intl i18n={i18n} id="icu:WhatsNew__v6.39--1" />,
+    ],
   };
 
   if (releaseNotes.features.length === 1) {