Thank you for all your work. Homebrew is one of the most useful tools in macos development ecosystem, at least for me. You're doing an awesome job. That said,

Thank you for all your work. Homebrew is one of the most useful tools in macos development ecosystem, at least for me. You're doing an awesome job. That said, I did notice recently the same effects as the OP. I.e. I try to install something small and it depends on something like python, which triggers "upgrade the whole universe" loop, which breaks a ton of things (e.g. python upgrade doesn't carry over installed modules, but does change current version - which breaks many local python scripts since their dependency modules are now in the old version). Auto-cleanup tends to break a lot of things too - especially bad for commonly-used things like openssl or ICU which commonly are linked as shared libs. I think there are settings for changing all of this, but you only find out once you've already been bit. Maybe it's worth considering making it somehow explicit - e.g. ask the user "do you really want to upgrade the whole universe" before going in? In many cases, I'm completely fine with using python 3.7 even if python 3.10 is already out. And most of the tools that depend on python would be fine with it too. It would be nicer if low-friction mode would be the default.