There is a discussion about immich stacking here https://github.com/immich-app/immich/discussions/2479 Automatic stacking is on their roadmap. There is a high chance that the APIs will be broken by then. I always prefer the native features over third party tools.

Sorry for that, Updated the title.

They are closing all issues citing piracy https://github.com/yt-dlp/yt-dlp/issues?q=is%3Aissue+piracy+is%3Aclosed