Greasy Fork is available in English.
Auto-fullscreen, skip intros, jump to next episode, 9anime on Vidstream and MyCloud videos (Auto-1080p in configuration panel)
< Feedback em (9anime) AniWave Bingewatcher+
if you use tampermonkey(not sure if other extensions have this) under the exclude/include section you can add these to the user includes section and it should fix it until there is an update.
https://aniwave.to/*
https://aniwave.*/*
9anime just changed to aniwave.to scrip needs to add new website