Update CHANGELOG.md for 9.0.0

[ci skip]

changelogs/unreleased/1051-api-create-users-without-password.yml

----
-title: Optionally make users created via the API set their password
-merge_request: 8957
-author: Joost Rijneveld

changelogs/unreleased/12726-preserve-issues-after-deleting-users.yml

----
-title: Deleting a user doesn't delete issues they've created/are assigned to
-merge_request: 7393
-author:

changelogs/unreleased/1363-redo-mailroom-support.yml

----
-title: Redo internals of Incoming Mail Support
-merge_request: 9385
-author:

changelogs/unreleased/1381-present-commits-pagination-headers-correctly.yml

----
-title: "GET 'projects/:id/repository/commits' endpoint improvements"
-merge_request: 9679
-author: George Andrinopoulos, Jordan Ryan Reuter

changelogs/unreleased/14492-change-fork-endpoint.yml

----
-title: Move /projects/fork/:id to /projects/:id/fork
-merge_request: 8940
-author:

changelogs/unreleased/14748-runner-version-in-admin-views.yml

----
-title: Add runner version to /admin/runners view
-merge_request: 8733
-author: Jonathon Reinhart

changelogs/unreleased/1648-remove-remnants-of-git-annex-from-ce.yml

----
-title: Remove remnants of git annex support.
-merge_request:
-author:

changelogs/unreleased/18962-update-issues-button-jumps.yml

----
-title: Align bulk update issues button to the right
-merge_request:
-author:

changelogs/unreleased/19302-wiki-page-delete-does-not-trigger-the-webhook.yml

----
-title: Execute web hooks for WikiPage delete operation
-merge_request: 8198
-author:

changelogs/unreleased/1937-https-clone-url-username.yml

----
-title: Add the Username to the HTTP(S) clone URL of a Repository
-merge_request: 9347
-author: Jan Christophersen

changelogs/unreleased/19497-hide-relevant-info-when-project-issues-are-disabled.yml

----
-title: Hide issue info when project issues are disabled
-merge_request:
-author: George Andrinopoulos

changelogs/unreleased/20495-plus-icon-button.yml

----
-title: Remove plus icon from MR button on compare view
-merge_request:
-author:

changelogs/unreleased/20732_member_exists_409.yml

----
-title: 'Add member: Always return 409 when a member exists'
-merge_request:
-author:

changelogs/unreleased/21240_snippets_line_ending.yml

----
-title: Download snippets with LF line-endings by default
-merge_request: 8999
-author:

changelogs/unreleased/21605-allow-html5-details.yml

----
-title: SanitizationFilter allows html5 details and summary tags
-merge_request: 6568
-author:

changelogs/unreleased/22018-api-milestone-merge-requests.yml

----
-title: Adds API endpoint to fetch all merge request for a single milestone
-merge_request:
-author: Joren De Groof

changelogs/unreleased/22132-rename-branch-name-params-to-branch.yml

----
-title: Standardize branch name params as branch on V4 API
-merge_request: 8936
-author:

changelogs/unreleased/22466-task-list-alignment.yml

----
-title: Align task list checkboxes
-merge_request: 6487
-author: Jared Deckard <jared.deckard@gmail.com>

changelogs/unreleased/22562-todos-filters.yml

----
-title: Fix Sort dropdown reflow issue
-merge_request: 9533
-author: Jarkko Tuunanen

changelogs/unreleased/22645-add-discussion-contribs-to-calendar.yml

----
-title: Add discussion events to contributions calendar
-merge_request: 8821
-author:

changelogs/unreleased/22818-licence-gitignore-and-yml-endpoints-removal.yml

----
-title: V3 deprecated templates endpoints removal
-merge_request: 8853
-author:

changelogs/unreleased/22951-fix-todos-api-endpoint-error-for-commits.yml

----
-title: Add spec for todo with target_type Commit
-merge_request: 9351
-author: George Andrinopoulos

changelogs/unreleased/23061-consolidate-project-lists.yml

----
-title: 'API: Consolidate /projects endpoint'
-merge_request: 8962
-author:

changelogs/unreleased/23062-allow-git-log-to-accept-follow-and-skip.yml

----
-title: Make Git history follow renames again by performing the --skip in Ruby
-merge_request:
-author:

changelogs/unreleased/23104-remove-public-param-for-projects.yml

----
-title: 'API: remove `public` param for projects'
-merge_request: 8736
-author:

changelogs/unreleased/23535-folders-in-wiki-repository.yml

----
-title: Show directory hierarchy when listing wiki pages
-merge_request: 8133
-author: Alex Braha Stoll

changelogs/unreleased/23819-fix-milestone-counters-to-top-right-of-panel-headings.yml

----
-title: Fix position of counter in milestone panels
-merge_request: 7842
-author: Andrew Smith (EspadaV8)

changelogs/unreleased/23948-assign-to-me.yml

----
-title: Re-add Assign to me link to Merge Request and Issues
-merge_request:
-author:

changelogs/unreleased/23993-drop-ci_projects.yml

----
-title: Drop unused ci_projects table and some unused project_id columns,
-  then rename gl_project_id to project_id. Stop exporting job trace when
-  exporting projects.
-merge_request: 9378
-author: David Wagner

changelogs/unreleased/24333-close-issues-with-merge-request-title-ui.yml

----
-title: Show Issues mentioned / being closed from a Merge Requests title below the
-  'Accept Merge Request' button
-merge_request: 9194
-author: Jan Christophersen

changelogs/unreleased/24683-sidebar-spinners.yml

----
-title: hide loading spinners for server-rendered sidebar fields
-merge_request:
-author:

changelogs/unreleased/24976-start-of-line-mention.yml

----
-title: Added a feature to create a 'directly addressed' Todo when mentioned in the beginning of a line.
-merge_request: 7926
-author: Ershad Kunnakkadan

changelogs/unreleased/24998-fix-typo-gitlab-config-file.yml

----
-title: Fix typo in Gitlab config file
-merge_request: 9702
-author: medied

changelogs/unreleased/25367-add-impersonation-token.yml

----
-title: Manage user personal access tokens through api and add impersonation tokens
-merge_request: 9099
-author: Simon Vocella

changelogs/unreleased/25437-just-emoji.yml

----
-title: Introduce /award slash command; Allow posting of just an emoji in comment
-merge_request: 9382
-author: mhasbini

changelogs/unreleased/25465-todo-done-clicking-is-kind-of-unsafe.yml

----
-title: Todo done clicking is kind of unusable
-merge_request: 8691
-author: Jacopo Beschi @jacopo-beschi

changelogs/unreleased/25503_issues_finder_performance.yml

----
-title: Filter by projects in the end of search
-merge_request: 9030
-author:

changelogs/unreleased/25709-diff-file-overflow.yml

----
-title: Responsive title in diffs inline, side by side, with and without sidebar
-merge_request: 8475
-author:

changelogs/unreleased/25920-create-issue-from-failing-build.yml

----
-title: Add button to create issue for failing build
-merge_request: 9391
-author: Alex Sanford

changelogs/unreleased/26087-asciidoc-cicd-badges-snippet.yml

----
-title: Added AsciiDoc Snippet to CI/CD Badges
-merge_request: 9164
-author: Jan Christophersen

changelogs/unreleased/26136-list-repository-tree-api-doc.yml

----
-title: Make documentation of list repository tree API call more detailed
-merge_request: 9532
-author: Marius Kleiner

changelogs/unreleased/26206-fix-download-dropdown.yml

----
-title: Set dropdown height fixed to 250px and make it scrollable
-merge_request: 9063
-author:

changelogs/unreleased/26286-most-recent-activity-profile-header.yml

----
-title: Added 'Most Recent Activity' header to the User Profile page
-merge_request: 9189
-author: Jan Christophersen

changelogs/unreleased/26287-link-branch-in-calendar-activity.yml

----
-title: Add Links to Branches in Calendar Activity
-merge_request: 9224
-author: Jan Christophersen

changelogs/unreleased/2629-show-public-rss-feeds-to-anonymous-users.yml

----
-title: Show public RSS feeds to anonymous users
-merge_request: 9596
-author: Michael Kozono

changelogs/unreleased/26315-unify-labels-filter-behavior.yml

----
-title: Unify issues search behavior by always filtering when ALL labels matches
-merge_request: 8849
-author:

changelogs/unreleased/26348-cleanup-navigation-order-groups.yml

----
-title: Clean-up Groups navigation order
-merge_request: 9309
-author:

changelogs/unreleased/26348-cleanup-navigation-order.yml

----
-title: Clean-up Project navigation order
-merge_request: 9272
-author:

changelogs/unreleased/26371-native-emojis-v3-code.yml

----
-title: Use native unicode emojis
-merge_request:
-author:

changelogs/unreleased/26379-iid-param.yml

----
-title: add :iids param to IssuableFinder (resolve technical dept)
-merge_request: 9222
-author: mhasbini

changelogs/unreleased/26500-informative-slack-notifications.yml

----
-title: Add user & build links in Slack Notifications
-merge_request: 8641
-author: Poornima M

changelogs/unreleased/26651-cannot-move-project-into-group.yml

----
-title: Specify in the documentation that only projects owners can transfer projects
-merge_request:
-author:

changelogs/unreleased/26703-todos-count.yml

----
-title: show 99+ for large count in todos notification bell
-merge_request: 9171
-author: mhasbini

changelogs/unreleased/26705-filter-todos-by-manual-add.yml

----
-title: Filter todos by manual add
-merge_request: 8691
-author: Jacopo Beschi @jacopo-beschi

changelogs/unreleased/26732-combine-deploy-keys-and-push-rules-and-mirror-repository-and-protect-branches-settings-pages.yml

----
-title: Combined deploy keys, push rules, protect branches and mirror repository settings options into a single one called
-  Repository
-merge_request:
-author:

changelogs/unreleased/26744-add-omniauth-oauth2-generic-strategy.yml

-title: Add the oauth2_generic OmniAuth strategy
-merge_request: 9048
-author: Joe Marty
\ No newline at end of file

changelogs/unreleased/26790-label-color-todos.yml

----
-title: fix background color for labels mention in todo
-merge_request: 9155
-author: mhasbini

changelogs/unreleased/26847-api-pipelines-use-basic.yml

----
-title: Expose pipelines as PipelineBasic `api/v3/projects/:id/pipelines`
-merge_request: 8875
-author:

changelogs/unreleased/26875-builds-api-endpoint-skipped-scope.yml

----
-title: Add all available statuses to scope filter for project builds endpoint
-merge_request:
-author: George Andrinopoulos

changelogs/unreleased/26900-pipelines-tabs.yml

----
-title: Adds Pending and Finished tabs to pipelines page
-merge_request:
-author:

changelogs/unreleased/26957-tanuki-anim-hang.yml

----
-title: don't animate logo when downloading files
-merge_request:
-author:

changelogs/unreleased/27032-add-a-house-keeping-api-call.yml

----
-title: Add housekeeping endpoint for Projects API
-merge_request: 9421
-author:

changelogs/unreleased/27142-api-replace-destroy-with-stop-environment.yml

----
-title: API: Add environment stop action
-merge_request: 8808
-author:

changelogs/unreleased/27287-label-dropdown-error-messages.yml

----
-title: Fix displaying error messages for create label dropdown
-merge_request: 9058
-author: Tom Koole

changelogs/unreleased/27336-add-environment-url-link-to-terminal-page.yml

----
-title: Added external environment link to web terminal view
-merge_request: 8303
-author:

changelogs/unreleased/27354-navigation-new-button.yml

----
-title: Re-add the New Project button in nav bar
-merge_request:
-author:

changelogs/unreleased/27376-cache-default-branch-pipeline-on-project.yml

----
-title: Speed up project dashboard by caching pipeline status and eager loading routes
-merge_request: 9903
-author:

changelogs/unreleased/27452-update-issue-count.yml

----
-title: update issue count when closing/reopening an issue
-merge_request:
-author:

changelogs/unreleased/27501-api-use-visibility-everywhere.yml

----
-title: "API: Use `visibility` as string parameter everywhere"
-merge_request: 9337
-author:

changelogs/unreleased/27520-option-to-prevent-signing-in-from-multiple-ips.yml

----
-title: Option to prevent signing in from multiple ips
-merge_request: 8998
-author:

changelogs/unreleased/27523-make-stuck-build-detection-more-performant.yml

----
-title: Make stuck builds detection more performant
-merge_request: 9025
-author:

changelogs/unreleased/27530-fix-job-dropdown-pipeline-console-error.yml

----
-title: Fixes job dropdown action throws error in js console
-merge_request: 9182
-author:

changelogs/unreleased/27532_api_changes.yml

----
-title: Use iids as filter parameter
-merge_request: 9096
-author:

changelogs/unreleased/27568-refactor-very-slow-dropdown-asignee-spec.yml

----
-title: Refactor dropdown_assignee_spec
-merge_request: 9711
-author: George Andrinopoulos

changelogs/unreleased/27608-fixes-markdown-in-activity-feed-is-light-gray.yml

----
-title: Fixes markdown in activity-feed is gray
-merge_request: 9179
-author:

changelogs/unreleased/27610-issue-number-alignment.yml

----
-title: fixes issue number alignment problem in MR and issue list
-merge_request: 9020
-author:

changelogs/unreleased/27631-fix-small-height-of-activity-header-page.yml

----
-title: "Fix small height of activity header page"
-merge_request: 8952
-author: Pavel Sorokin

changelogs/unreleased/27726-fix-dropdown-width-in-admin-project-page.yml

----
-title: Fixes dropdown width in admin project page
-merge_request: 9002
-author:

changelogs/unreleased/27762-add-default-artifacts-expiration.yml

----
-title: Add admin setting for default artifacts expiration
-merge_request: 9219
-author:

changelogs/unreleased/27778-a11y-sidebar.yml

----
-title: Improves a11y in sidebar by adding aria-hidden attributes in i tags and by
-  fixing two broken aria-hidden attributes
-merge_request:
-author:

changelogs/unreleased/27783-fix-fe-doc-broken-link.yml

----
-title: Fixes FE Doc broken link
-merge_request: 9120
-author:

changelogs/unreleased/27840-improve-search-bar-experience.yml

----
-title: Enhanced filter issues layout for better mobile experiance
-merge_request: 9280
-author: Pratik Borsadiya

changelogs/unreleased/27920-both-wip-messages-showing.yml

----
-title: Dispatch needed JS when creating a new MR in diff view
-merge_request:
-author:

changelogs/unreleased/27924-set-max-width-mini-pipeline-text.yml

----
-title: Set maximum width for mini pipeline graph text so it is not truncated to early
-merge_request: 9188
-author:

changelogs/unreleased/27934-left-align-logo.yml

----
-title: Left align logo
-merge_request:
-author:

changelogs/unreleased/27936-make-all-uploads-require-revalidation-on-each-browser-fetch.yml

----
-title: Uploaded files which content can change now require revalidation on each page load
-merge_request: 9453
-author:

changelogs/unreleased/27978-improve-task-list-ux.yml

----
-title: Only add a newline in the Markdown Editor if the current line is not empty
-merge_request: 9455
-author: Jan Christophersen

changelogs/unreleased/27994-fix-mr-widget-jump.yml

----
-title: Fix MR widget jump
-merge_request: 9146
-author:

changelogs/unreleased/28010-mr-merge-button-default-to-danger.yml

----
-title: Default to subtle MR mege button until CI status is available
-merge_request:
-author:

changelogs/unreleased/28019-make-builds-show-faster.yml

----
-title: Avoid calling Build#trace_with_state for performance
-merge_request: 9149
-author: Takuya Noguchi

changelogs/unreleased/28082-deleted-branch-event-404.yml

----
-title: Stop linking to deleted Branches in Activity tabs
-merge_request: 9203
-author: Jan Christophersen

changelogs/unreleased/28142-overlap-bugs.yml

----
-title: Fix z index issues with sidebar
-merge_request:
-author:

changelogs/unreleased/28176_merge_widget_fix.yml

----
-title: Fix error in MR widget after /merge slash command
-merge_request: 9259
-author:

changelogs/unreleased/28186-long-group-names-overflow-out-of-todos-view.yml

----
-title: Truncate long Todo titles for non-mobile screens
-merge_request: 9311
-author:

changelogs/unreleased/28204-option-to-disable-webpack-dev-server-livereload.yml

----
-title: Pick up option from GDK to disable webpack dev server livereload
-merge_request:
-author:

changelogs/unreleased/28229-pipelines-loading-icon.yml

----
-title: Centers loading icon vertically and horizontally in pipelines table in commit
-  view
-merge_request:
-author:

changelogs/unreleased/28236-browse-button-dropping.yml

----
-title: Increase right side of file header to button stays on same line
-merge_request:
-author:

changelogs/unreleased/28247-timeloops-bug.yml

----
-title: Only run timeago loops after rendering timeago components
-merge_request:
-author:

changelogs/unreleased/28253-fix-buid-scroll-button-position.yml

----
-title: Fix positioning of `Scroll to top` button
-merge_request:
-author: