We have announced deprecations in 15.7 and 15.8: - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/108745+ - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/108502+ - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/108507+ - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/106369+ The related features need to be removed/changed in 16.0 and related documentation removed/updated. For each deprecation we need to: * [x] Announce deprecation in 15.8 - issues listed above * [x] Update documentation with deprecation warnings: - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/108745+ - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/109101+ - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/109097+ * [x] Remove links to deprecated feature and remove topics from global navigation - https://gitlab.com/gitlab-org/gitlab-docs/-/merge_requests/3452+ - https://gitlab.com/gitlab-org/gitlab/-/merge_requests/109291+ * [x] Update Importers category direction page - https://gitlab.com/gitlab-com/www-gitlab-com/-/merge_requests/117987+ * [x] [Announcement of removal](https://about.gitlab.com/handbook/marketing/blog/release-posts/#removals-and-breaking-changes) in 16.0. * [x] Remove the related code and documentation in 16.0 from codebase - issues in this epic * [x] For https://gitlab.com/gitlab-org/gitlab/-/merge_requests/108745+ update code in 16.0 - issue in this epic