Bug #980171 in obs-studio reported by you has been fixed in the Git repository and is awaiting an upload. You can see the commit message below and you can check the diff of the fix at:https://salsa.debian.org/multimedia-team/obs-studio/-/commit/bc9e9f60da6c180164c699f0dc850e2af3232cfb
This bug really shouldn't make it into bullseye. Can't this fix get past the freeze?