The Angular team have superb commit messages: https://github.com/angular/angular.js/commit/d71dbb1ae50f174680533492ce4c7db3ff74df00
Related Posts
I'm increasingly doubtful that commit messages should be entirely immutable.
I sometimes find myself editing or commenting on merged pull requests, to help future readers.
Phabricator appended a URL to commit messages, which helped. In principle PR merging could do the same thing.
It's weird that GitHub shows time since the last commit, but not time since the first commit. It's a nice way of seeing how mature a project is.
Some delightful examples of good compiler error messages in the latest Gleam release: https://gleam.run/news/context-aware-compilation/