Greasy Fork is available in English.
Allows you to download subtitles from Netflix
< Valutazione su Netflix - subtitle downloader
Still not working.
sigh, I should've read your post earlier. 20 minutes earlier... :D It should be fixed in 4.2.1. I tried to future proof it a bit (just show an error message instead of failing silently) while keeping it backwards compatible.
Changing line 245 to this seems to fix the issue:
I successfully downloaded several episodes individually and a series as a batch after making that change