<sigh> Okay, so, the last few Cumulative Updates have had known issues around broken remote queries using the generic ODBC connector and errors with contained availability groups, but I couldn’t really care less about those. If you use those features, I give you bombastic side eye anyway.
However, in the last few days, two more known issues have surfaced.
And those two issues are definitely bad. Click through to see what they are and what the workarounds are until fixes come in.