No matter how many times I see it, ⁂ just looks odd. I don't want to get used to them. I want my colorful old fediverse symbol.
I didn't know libgen was dead
I don't know understand why you need markdown, but if you are so used to vim motions why not switch to latex instead. You wouldn't have to worry about katex support as well. This is an advice solely based on your need for katex support without understanding your needs.
Definitely not what you want, but Gnome web (Epiphany) is GPLv3 according to flathub.
I dig that fedi origami logo.