After the newest update, I finally got RM to install on my 2017 Mac Mini running OS Catalina 10.15.2. It's maxed out on RAM and runs all other programs without issue, but RM constantly "beach balls" at the slightest request, like switching between rigs in my local library or opening the "File > Import" function. Sometimes it's 2-3 seconds, other times it's 10+ seconds. It makes no difference whether the Kemper is connected via USB or not.
When it gets really bad, I have to "Force Quit" RM and re-open, although that doesn't totally fix the issue.
Any Mac users running into similar issues?