Lemmy v 0.18 breaks Jerboa apps v.34 and below for now.
I modified the app so that you can login to servers still running 0.17.x or lower. You cannot log in with this app to Lemmy v0.18 servers.
I ...
I have a fork of Jerboa to help with any login issues for those with accounts still on 0.17.x, until either the servers upgrade or until a newer version allows connecting to both 0.18 and pre 0.18 servers.
Later tomorrow I will include a version with the app name changed so that it can run alongside dessalines' version.
To answer your question about if they removed websocket support (a couple of days late, so you might already have the answer), it looks like that's exactly what happened.
I get they did that. I just kinda thought the UI would stop using it, not that it would kill all clients. It's just a bit off but I guess they wanted to rip the bandaid off quickly as Lemmy popularity soared.