I am getting random (have not correlated to specific action or plugin) beachball delays (a few seconds) or outright hangs requiring force quit of Cubase 11 Pro. I am on an iMac Pro with MacOS 10.15.7. Cubase 10.5 does not have this issue. THis is happening every several minutes.
UPDATE: On further observation, it appears this happens upon interacting with the UI (mouse action). I have not experienced it while Cubase is just sitting idle or playing a project (although the playhead has frozen a couple times while the tracks are playing - no beach ball though).
I did have one instance of a indefinite freeze requiring force-quitting Cubase while creating a new track with Omnisphere. Not repeatable with Omnisphere so far.
IMac Pro with Vega 56 graphics, 10.15.7