I agree that release notes and credits are really important. My prior company's product manager made these herself for every release, and while other parts of the company weren't great, I (and others) really liked getting the recognition from the rest of the company.
It helps make a fuller product, since people have less pressure to always work on the flashier things, and can devote time/energy to things like developer tools that are also extremely important.
It helps make a fuller product, since people have less pressure to always work on the flashier things, and can devote time/energy to things like developer tools that are also extremely important.