Wasn't there some issue with IE or something that prevented people from using the right mime type? I swear there was something like that going on back in the da

Wasn't there some issue with IE or something that prevented people from using the right mime type? I swear there was something like that going on back in the day. edit: yep https://flask.palletsprojects.com/en/2.1.x/htmlfaq/ https://flask.palletsprojects.com/en/2.1.x/htmlfaq/