Update release notes for recent commits.
Update release notes for recent commits.

waylan/mkdocs,jimporter/mkdocs,jimporter/mkdocs,lukfor/mkdocs,lukfor/mkdocs,waylan/mkdocs,d0ugal/mkdocs,lukfor/mkdocs,jimporter/mkdocs,d0ugal/mkdocs,mkdocs/mkdocs,mkdocs/mkdocs,mkdocs/mkdocs,d0ugal/mkdocs,waylan/mkdocs