... So basically every video made before 2017 is going to have its 'click here to subscribe' functionality removed.
Correction text annotations will be deleted.
And, personally, Choose Your Own Apocalypse will break.
This is just awful @TeamYouTube
https://support.google.com/youtube/answer/7342737 …
Most people these days don't see correction annotations due to viewing on mobile devices. I'd personally say to allow an annotator in the video editor and use the text as permanent in-video content.