Mastodon has been around since 2016 and has 804k MAU.
The platform has 57 third party apps.
The platform is decentralized and has community ran servers.
Mastodon relies on users setting the language their post is in manually, so if someone posts in two languages and forgets to switch between them, they don’t get filtered out. I know there are some other pieces of software that switch it automatically, I’m fairly sure Calckey automatically recognized the language you were writing in.
I already toggle the Mastodon settings to ensure that I got the feeds to the language I want (I want English only) and I still got feeds on different languages such as German and French
again, if the person who is making the post doesn’t change the setting, it won’t get filtered. if they type a message in German but the post’s language option is set to English (which I think is the default on some major instances), it won’t get filtered out.
you can usually check what their post’s setting is by starting writing a reply to them, as the language option of your post will switch to the one they post in.