Updates WhatsNew

_locales/en/messages.json

@@ -6526,5 +6526,13 @@
   "icu:WhatsNew__v6.12--1": {
     "messageformat": "We updated the Sticker Creator with a few design tweaks and added some helpful tips for aspiring sticker artists. The Sticker Creator now opens in your web browser, which makes Signal Desktop a little smaller and leaves a bit more room on your hard drive for all of your favorite sticker packs.",
     "description": "Release notes for v6.12"
+  },
+  "icu:WhatsNew__v6.13--0": {
+    "messageformat": "Progress report: The new progress bar is ready. Quickly see more information about the loading process whenever you launch Signal Desktop.",
+    "description": "Release notes for v6.13"
+  },
+  "icu:WhatsNew__v6.13--1": {
+    "messageformat": "Theme preferences now also apply to the checkboxes in Signal Settings. Thanks to {rakleed} on GitHub for helping us check \"More fully embrace darkness in the dark theme\" off of our TODO list.",
+    "description": "Release notes for v6.13"
   }
 }

ts/components/WhatsNewModal.tsx

@@ -37,15 +37,17 @@ export function WhatsNewModal({
     features: [
       <Intl
         i18n={i18n}
-        id="icu:WhatsNew__v6.12--0"
+        id="icu:WhatsNew__v6.13--0"
         renderText={renderText}
         components={{}}
       />,
       <Intl
         i18n={i18n}
-        id="icu:WhatsNew__v6.12--1"
+        id="icu:WhatsNew__v6.13--1"
         renderText={renderText}
-        components={{}}
+        components={{
+          rakleed: <a href="https://github.com/rakleed">@rakleed</a>,
+        }}
       />,
     ],
   };