1/5. I took the community name and replaced all letters with numbers and it didn’t work.

(Nice community, I’ve subscribed!)

You may benefit from checking out Typst which gives all of the benefits (and some more) of LaTeX, but without all of the syntax garbage.

Basically, yeah. The vanilla client checks a blacklist when it connects to a server and prevents the connection if it’s blocked.

I maintain Basalt (looking for new contributors) and a variety of other projects. I also report and often fix bugs/feature requests that I come across in projects I use.

There’s a footnote on Bluesky and Signal that says that they are American non-profits.