Oh please, 'no one else'? Try a professional forum like Pro Tools Expert, Black Magic, UAD etc ... as for 'talking to Apple', anything about a mac pro in a recording studio is like talking to a lof of bread. Hopeless. In any case, here is the net result for those who use more complex rigs with a host of third party audio hardware or PCIE card drivers, dongles & authorisations, DAWs, NLEs, VIs & audio plugins *other than Apple:
FWIW - In the past, I usually build a test OS on a separate drive then when all is good, clone that back to the system drive. In the case of Ventura 13.1, this has proven especially problematic for me - not becuase of any given DAWs, plugs etc - but becuase of the very nature of Apple's take on the OS this time. Clearly they don't care much about third party apps & especially the often complex interactions between third party drivers, authorisations, dongles etc. Ventura presents a billion pop-ups, notifications, warnings, overlapping windows & general awful confusion as it takes us all to task ... so much slower and nuttier than say Win11 or Ubuntu ...rant over.
In my case, I want about this several differnet ways, eg: cloning Monterey via Carbon Copy Cloner to a new disk, then updating to Ventura; or installing a clean Ventura on a new disk, then migrating from Time Machine etc etc. All of which resulted in the same mad s*itfight: Without going into all the bugs and general password madness, the net result was this -
After gradually working thorough the usual issues, at some point I always started getting error messages about keychain passwords, then wanting me to delete, or cancel, a bizzilion times for each and every pass. This went on for a bit, then at some point the OS simply deletes all of my user folder [!]. Incomprenhisible, have never had this kind of problem with any migration before.
In any case the bottom line was this: I turned off iCloud & any kind of iCloud syncing. Viola. Everything installed and verified as it should [albeit, always long-winded as per the case with Apple], but this time it stuck. Now I actually have a fully working Ventura OS with all of the DAWs, NLEs, drivers, VIs & plugs cut over & working - notwithstanding otherr pro complaints about ongoing incompatability with certain aps etc. Turn off iCloud syncing & especially keychain pw sync.