Semantic pull requests [0] + conventional-changelog [1] + squashing PRs and you get almost the same results (and more) with great automation and self-documentation for the whole process: * you'll never forget to add something to changelog * you get links to PRs in your changelog * it's much faster to make edits to PR messages compared to editing files * outside contributors get familiarized with the practice much fas…
We do this and it works great, but I've still found value in summarizing things in a digest (ie changelog or release notes, depending on the context)