What about builds?

Hello, I remember with version 5 that a big news was build numbers.
Today this service is not available (but it was): Maybe a changelog for every build is too much (but it's a standard in software today); at least I need to know if I'm aligned with the build https://19216811.cam/.
I read every day about user asking "I'm already on 5.0.x", or "the problem is fixed, do an upgrade". Ok but I've no control: I can't know what is changed build by build, if there is a new problem I can't go back to other builds because I don't know the number.
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