TYPO3 Core

• Declare Merge Freeze
• Create branch "10.4" in Gerrit
• Migrate Bamboo specs (COMPOSER_ROOT_VERSION)
• Modify all ext_emconf.php (10.4.4 to 11.0.0), composer.json etc. from "10.4.x" to "11.0.x", "10.4.*@dev" to "11.0.*@dev", "10.4.x-dev" to "11.0.x-dev"
• Move all existing pending non-features to "master, 10.4" or "master, 10.4, 9.5" respectively
• Adapt testing framework to support v10 and v11
• Adapt EXT:styleguide to support v11
• Adapt forge to add v11 version etc.
• Adapt forger backport view

Patch set 2 for branch master of project Packages/TYPO3.CMS has been pushed to the review server.
It is available at https://review.typo3.org/c/Packages/TYPO3.CMS/+/64573

Changes to the backport view in Forger have been deployed: https://forger.typo3.com/utilities/backport