I'm using IntelliJ Ultimate on MacOS 11.3.4. I've been using the EAP releases for a year or so, and pretty consistently, configuration is brought forward from one release to the next.
I do have a jetbrains account/license and use toolbox, and also the jetbrains account to sync settings.
I also run EAP on 2 windows machines (much less frequently - home pc, surface pro)
With today's update, it prompted to import config from my previous build, which I accepted. Following this I had no JDK definitions beyond the system jvm (I previously had 3 or 4 others). Easy to fix. Then on startup I got a prompt to set theme colors to default. Not wanting to do so I hit cancel - with the result the splash panel never goes away ....
I'll capture some logs .... but in the meantime has anyone else seen this?