Merge branch 'docs/rs-update-changelog' into 'master'

Add missing changelog entries for 10.6.0

See merge request gitlab-org/gitlab-ce!17973

[ci skip]

CHANGELOG.md

@@ -168,13 +168,17 @@ entry.
 - Add one group board to Libre.
 - Add support for filtering by source and target branch to merge requests API.
 
-### Other (14 changes, 3 of them are from the community)
+### Other (18 changes, 7 of them are from the community)
 
+- Group MRs on issue page by project and namespace. !8494 (Jeff Stubler)
+- Make oauth provider login generic. !8809 (Horatiu Eugen Vlad)
+- Add email button to new issue by email. !10942 (Islam Wazery)
 - Update vue component naming guidelines. !17018 (George Tsiolis)
 - Added new design for promotion modals. !17197
 - Update to github-linguist 5.3.x. !17241 (Ken Ding)
 - update toml-rb to 1.0.0. !17259 (Ken Ding)
 - Keep track of projects a user interacted with. !17327
+- Moved o_auth/saml/ldap modules under gitlab/auth. !17359 (Horatiu Eugen Vlad)
 - Enables eslint in codeclimate job. !17392
 - Port Labels Select dropdown to Vue. !17411
 - Add NOT NULL constraint to projects.namespace_id. !17448