Explain what shipped, email stakeholders. Every one is ready to run, and you can adjust it in plain language.
Your GitHub changelog stays current as pull requests merge, and your maintainer gets a dated section and link after release approval.
Your app changelog gets a dated customer update when a release goes live. Your product owner gets the public link on the release card.
Your software changelog covers what shipped in the release, and your editor gets the public page link after publication.