So I’ve downgraded safely to Monterey everything runs smoothly again and honestly now I’m a little bit afraid of “13”, probably will pass till next version : )
About terminal, I’ve tried to uninstall some software in a messy mindset, don’t remember which exactly, maybe some kind of demo pack like Waves or else, and discovered a suggestion on the forums to use terminal, it was like 5 - 6 commands to erase all footprints of it from different system folders, I can’t be 100% sure but seems like troubles stared right after that (again can’t be sure, it was a messy process of transferring “everything” from my laptop to new Mac Studio, like doing many operations at the same time ).
Also RME midi ports on new system had and by the way still have weird names like “system midi port 1” (should be RME UCX port 1….), so I wanted to fix it to get the compatibility with earlier projects and used some suspicious terminal commands as well (again from some forum suggestions).
Not sure, maybe that was the real reason of my troubles, but anyway very happy with Monterey and don’t want to experiment with it again in near future)
Don’t want to blame new system, probably good chances that it will work ok with someone else’s setup, but my experience wasn’t too pretty