Compact regions support needs some discussion in the release notes
And perhaps elsewhere in the users guide.
This feature was merged as cf989ffe.
Edited by Ben Gamari
Due to a large amount of spam we do not allow new users to create repositories, they are "external" users. If you are a new user and want to create a repository, for example for forking GHC, open a new issue on ghc/ghc using the "get-verified" issue template
And perhaps elsewhere in the users guide.
This feature was merged as cf989ffe.