Greasy Fork is available in English.
Creates the option next to edited and deleted Reddit comments/posts to show the original comment from before it was edited
< Rückmeldungen aufUnedit and Undelete for Reddit
Thanks for reporting, would you mind trying out the latest version? There have been many improvements in the last few months.
Also make sure you don't have any proxies or other extensions that may be blocking your access to https://api.pushshift.io/ (API with archived reddit comments).
Great idea for a script, but unfortunately it never seems to work. I'm always getting "fetch failed" or some other kind of error whenever I use it.