Updated RELEASE_NOTES.

RELEASE_NOTES.md

@@ -12,6 +12,8 @@ Mastodon API: Fixed repeated entries in timelines.
 
 Added nodeinfo 2.1 support.
 
+Fixed boosts from the command line not showing in the public timeline (contributed by xvello).
+
 ## 2.81
 
 If the `propagate_local_purge` configuration variable is set to `true` in `server.json`, purged local posts generate a `Delete` activity that is sent everywhere, instead of only deleted from the filesystem.