They’ve been essentially read-only for years, in my experience. It’s stupid to go closed source, but they weren’t easy to work with to get things fixed before now either.

Get yourself an app, or a better web client. You don’t need to use the client the instance provided for your convenience.

https://joinmastodon.org/apps

Thanks for posting this. Please update to include the gist link from @christianselig@mastodon.social too.

https://gist.github.com/christianselig/449b0bd374167ff7335fab2b823120ef