Bot Updating Documentation

images/docker-hedgedoc.md

@@ -197,6 +197,7 @@ We publish various [Docker Mods](https://github.com/linuxserver/docker-mods) to
 
 ## Versions
 
+* **07.12.21:** - Rebase to ubuntu focal. Update to node 16. Make sure uploads are persistent.
 * **15.10.21:** - Add required env var `CMD_DOMAIN`.
 * **05.05.21:** - Remove symlinking some folders from config to /opt/hedgedoc/public.
 * **03.05.21:** - Remove deprecated sequalizerc step.