V4 API: Remove deprecated MR and Issue endpoints and preserve V3 namespace
Keep V3 API untouched while making the following changes for V4:
- Remove
iid
filter onprojects/x/issues
- Rename
iid
filter onprojects/x/merge_requests
toiids
- Remove
projects/x/merge_request/y
endpoint
EE Backport: gitlab-ee!1166
-
Changelog entry added -
Documentation created/updated -
API support added - Tests
-
Added for this feature/bug -
All builds are passing
-
-
Conform by the merge request performance guides -
Conform by the style guides -
Branch has no merge conflicts with master
(if it does - rebase it please) -
Squashed related commits together
What are the relevant issue numbers?
Closes #27180 (closed) #25183 (closed)