<!-- Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. SPDX-License-Identifier: curl --> In a release tarball, check the RELEASES-NOTES file for what was done in the most recent release. In a git check-out, that file mentions changes that have been done since the previous release. See the online [changelog](https://curl.se/changes.html) for the edited and human readable version of what has changed in different curl releases.