So it goes... Warning: You are using macOS 11. We (and Apple) do not provide support for this old version. It is expected behaviour that some formulae will fail to build in this old version. It is expected behaviour that Homebrew will be buggy and slow. Do not create any issues about this on Homebrew's GitHub repositories. Do not create any issues even if you think this message is unrelated. Any opened issues will be…
I run:
$ sudo bash
# port selfupdate && port -u -c upgrade outdated && port reclaim
once a week.
When I upgraded to Ventura (from Big Sur), I followed the instructions for an OS upgrade and everything moved across cleanly.
It installs itself in /opt
It works with MacOS's Frameworks for stuff like python and java.
It allows you to run multiple versions with "port select".
Why would I want to run anything else?