Last Wikibase Suite release (wmde11) was compatible with mw 1.38.5. Since last security release mw 1.38.6 is out (as per [[ https://lists.wikimedia.org/hyperkitty/list/wikitech-l@lists.wikimedia.org/message/6UQBHI5FWLATD7QO7DI4YS54U7XSSLAN/| announcement on wikitech]]). We are making a new release to support this version.
Acceptance criteria
[] Container images of Wikibase Suite compatible with MediaWiki 1.38.6 have been prepared, tested and published to Docker hub
[] Tarball packages of Wikibase Suite compatible with MediaWiki 1.38.6 have been prepared, tested and published to releases.wikimedia.org
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Releasing checklist (copied from T322407)
[x] Create a task on phabricator with this template
[] Collect subtasks that need to be included in the release, adding this task as a parent (including security tasks)
[] Review open backports for Wikimedia controlled Gerrit extensions included in the release, merging where appropriate [link](https://gerrit.wikimedia.org/r/q/status:open+branch:REL1_38(project:mediawiki/extensions/Babel+OR++project:mediawiki/extensions/cldr+OR++project:mediawiki/extensions/CirrusSearch+OR++project:mediawiki/extensions/ConfirmEdit+OR++project:mediawiki/extensions/Elastica+OR++project:mediawiki/extensions/EntitySchema+OR++project:mediawiki/extensions/Nuke+OR++project:mediawiki/extensions/OAuth+OR++project:mediawiki/extensions/Scribunto+OR++project:mediawiki/extensions/SyntaxHighlight_GeSHi+OR++project:mediawiki/extensions/UniversalLanguageSelector+OR++project:mediawiki/extensions/VisualEditor++project:mediawiki/extensions/WikibaseCirrusSearch+OR++project:mediawiki/extensions/WikibaseManifest)) (check that all extensions are included in the search and the correct REL1_38 version is used)
[] https://github.com/ProfessionalWiki/WikibaseLocalMedia/tags
[] https://github.com/ProfessionalWiki/WikibaseEdtf/tags
[] Create a draft PR for the new release in the releasing repository
[] Make the pipeline build the new release by changing `env_file` in `.github/workflows/built_and_test.yml`
[] When doing a new "major" release for a new "major" version of MediaWiki, make sure there is an upgrade path. See test_upgrade_base and test_upgrade_bundle in .github/workflows/built_and_test.yml
[] Make the draft PR green
[] Prepare the final round of patches
[] Release notes for Wikibase.git
[] Any security patches for any codebases
[] Prepare communication with ComCom & Technical Writer
[] Merge final patches
[] Release notes
[] Update any needed commit hashes in the release env file
[] Merge the release PR
[] Test and verify RC candidates
[] Deploy artifacts to test the system https://wikibase-product-testing.wmcloud.org
[] Verify against acceptance criteria
[] Publish release candidates https://github.com/wmde/wikibase-release-pipeline/blob/main/docs/topics/publishing.md
[] dockerhub
[] releases.wikimedia.org
[] Update and merge PR for docker-compose example in release-pipeline repository
[] Tags
[] Dxocs
[] mw.org
[] docker-compose example references
[] Record build meta data
[] Communication