Add release notes for Review Board 4.0.2.
Review Request #11660 — Created June 14, 2021 and submitted — Latest diff uploaded
This is a small release fixing a few bugs with GitLab, Markdown,
Subversion, and cookies. It also improves performance with some common
queries and introduces a feature for adding known safe URL protocols for
Markdown rendering.
Built the docs. Checked for build errors, spelling errors, and bad links.