I just installed the 0.18.0 release candidate 1 of the lemmy-ui component.
This version removes websockets and should solve many strange issues. Like the glitching vote totals, sudden changes of posts etc.
Let me know if you see improvements, or new issues.
I got similar issues when playing around with it yesterday evening. For some reason, the client kept reporting sorting options as integers, while the back-end just expected ‘New’.