Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
It enables the v4 namespace for our API. Doing this, every call to a /v4 endpoint shall behave the same as /v3, unless we change this behavior on v4.
It's covering #25183 (closed) as a way to discuss the best approach for growing v4 changes without affecting existing v3 endpoints.
iid filter on projects/x/issues
iid filter on projects/x/issues to iids
projects/x/merge_request/y endpointmaster (if it does - rebase it please)Closes #27180 (closed), #25183 (closed)