* master: (1327 commits)
Merge branch 'render-json-leak' into 'security'
Merge branch 'ssrf' into 'security'
Merge branch 'ssrf' into 'security'
Merge branch 'fix-links-target-blank' into 'security'
Merge branch '28058-hide-emails-in-atom-feeds' into 'security'
Fix karma test
Reset filters after click
Handle Route#name being nil after an update
Only add frontend code coverage instrumentation when generating coverage report
fix recompile assets step in 9.0 upgrade guide to use yarn
Undo explicit conversion to Integer
Make level_value accept string integers
Make feature spec more robust
Removed d3.js from the main application.js bundle
Extend compound status for manual actions specs
Update css to be nice and tidy.
Fix pipeline status for transition between stages
add an index to the ghost column
Return 404 in project issues API endpoint when project cannot be found
Improve rename projects migration
...
Conflicts:
doc/ci/docker/using_docker_build.md
spec/lib/gitlab/import_export/all_models.yml
c5912ecd73