Every image on the federated timeline. It's a lot if users on your instance follow many other users.
tofuwabohu
It depends on the country you're in I guess. In Germany, and other countries as well I guess, you're not liable for stuff others people post on your platform as long as you react to reports and actually remove that shit when it's brought to your attention. You don't have to look at your instances media folder 24/7
Yes, it's possible. It requires some knowledge in server administration though, you can find the specifics at the Lemmy GitHub page.
I don't notice whether communities are kbin or Lemmy, so no idea. I think many communities being on Lemmy partly comes from that being released a few years earlier.
Unfortunately not. I think some areas have hashtags for that kind of stuff and someone is working on a new platform, but it's not there yet.
Isn't Mastodon Ruby?
Wheat is vegan, even if animals are harmed in the process of growing and harvesting it (pesticides, rodents in combine harvesters).
Venus fly traps are vegan, even if they harmed flies.
Animals are harmed in industrial farming as well. It sucks, but doesn't make wheat not being vegan.
It think it's a fire and forget kind of app, so I wouldn't expect any updates besides occasional dependency updates.
The F-Droid app is basically a browser that lets you stay logged in which is quite comfy.
Joining the channel and ask would be the most straightforward way I think. I kind of misunderstood your initial post. I know there are several different "Fedimins" communities, but I only participate in one that's specific for German instances (of all kinds).
I wish it had a self hostable sync feature