I upgraded and this system is a dumpster fire. Lags, random crashes, performance issues, random CPU spikes...

The author has another recent post from Oct 30 wherein DNS stops working on their machine every week or two. Unsetting/resetting the servers fixes it. I can't imagine daily driving a workstation with flaky DNS.

https://wadetregaskis.com/dns-resolution-failures-in-macos-2...