[satysin]

Stability wise it's been fine but it still has a few dumb bugs like Finder not letting me add smb shares to the sidebar (but afp shares work fine) and some UI bugs such as additional separator bars in context menus if you set Recent items to None.

Nothing terrible but lacking in some Apple polish.

The access prompts were a little annoying for the first two days but once everything has run and requested access it's fine. A few apps I have had to specifically give Full Disk Access as it seems every update it asks again and again and again.

But like you said stability is as solid as Mojave. However I don't use any legacy 32bit apps or extensions so haven't run into issues with regards to that. I feel most of the complaints I read are related to some old 32bit app which no longer works.