GitHub will allow you star repo topics, not just individual repos: https://blog.github.com/2019-01-08-topic-starring/
Topics can be useful as a kind of hashtag to say what your project is about. I've not found them very useful for discovery so far. This could change usage patterns and improve matters!
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WebAssembly seems like a totally reasonable bytecode format, but I've not had many opportunities to use it so far.
Has wasm found its 'killer app' yet?
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.
I've dabbled with 'conventional commits' for a personal project but I found they slowed me down.
It's not always easy to categorise a commit as a fix, a chore etc. Sometimes refactorings also fix bugs.
Do you use them? I can imagine a large, mature project benefitting more.