6.8.5 Crashes during Startup (Mac)

Macbook Air running Sonoma. Never had any problems with Rekordbox before. Just bought a DDJ-800 and updated to newest version of everything. Things were working fine the first day, but on day 2, Rekordbox now quits during startup. Appears to start loading library, but at 0% it crashes. Tried fiddling with database names, changing to older versions, plugging and unplugging things, but it hasn't made any difference. 

I've got a ticket out for this and waiting to hear back, but wanted to see if anyone else had similar problems, and thought putting it on the forum might be helpful for others. Will keep this updated if/when it is fixed.