still experiencing disappearing health bar, but dc seems to come quicker. Tried both img and wz. Also tried doing alt+enter and gfxing.
hopefully this will help! https://royals.ms/forum/threads/experimental-client-crashing-fix-jan-2023.212638/#post-1266525
The majority of issues seem to be fixed with the experimental dll linked above. So will mark this as fixed for the next update.