Is there necessary add feature which is merge multiple channels(playlists, etc.) to one.
Some Youtube channels are the same category and are not updated frequently, So I wonder if it is possible to merge multiple into one subscription.
One possible workaround for this is to combine them with the podcast client app itself.
Example using podcast addict on android:
- put 2 or more podcast in a category (you can do this when adding the feed or in each podcast's settings)
- playlist > custom > pick that category > enjoy
I know this is less than ideal, but I hope it helps
See #293 in which I posted a script that I wrote in python that does this, for all feeds. You could adapt it to only do so for a certain set of feeds if you want.
Another workaround is to use youtube's UI to add multiple playlists to one that you maintain. The steps are explained by "yesir360" on this thread https://old.reddit.com/r/youtube/comments/h9kpbp/disable_polymer_not_working_anymore/
To summarize: changing www.youtube.com/playlist into music.youtube.com/playlist provides a "add to playlist" option
You will want to re-add playlists that change periodically so new content is added. Thankfully, the youtube ui provides the option of skipping duplicates so you can avoid adding the same content again.
The existence of https://www.labnol.org/youtube/playlists/ convinces me that this process can be automated via YouTube API, but I haven't investigated how they pull this off.