Reminder for Adobe not to forget this bug.
As described here:
https://indesign.uservoice.com/forums/601180-adobe-indesign-bugs/suggestions/42272869-indesign-slow-in-macos-catalina-when-using-a-calib

and here:
https://community.adobe.com/t5/indesign/inddesign-2020-slow-performance-on-macos-catalina-10-15-1/m-p/11031304

Attached a screen capture of a very simple InDesign document showing the lag when changing the profile of the monitor to anything else than sRGB – even AdobeRGB doesn't work.