v1.13.1: bug #769 Fix looking for keywords (nicolas-grekas)

This PR was merged into the 1.12-dev branch.

Discussion
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Fix looking for keywords

Fix #768

Commits
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9f47b85 Fix looking for keywords

Improve management of UX packages

• Require UX packages to have the "symfony-ux" keyword in their composer.json file
• Copy peerDependencies to the root package.json
• Deprecate symfony:generate-id as it's not used anymore

v1.12.2: Merge pull request #742 from nicolas-grekas/req-autoloader

Require autoload.php in dump-env

Composer 2 rocks \o/

• Add support for multiple Docker Compose files
• Use root constraints when they have no intersection with extra.symfony.require
• New flag to list only outdated recipes

v1.9.10

Update branch-alias

v1.9.9: bug #699 Avoid filtering out aliases of valid packages (Seldaek)

This PR was merged into the 1.8-dev branch.

Discussion
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Avoid filtering out aliases of valid packages

It'd be good to add tests for this ... and I am not sure if the branch-alias check at line 67/68 is still needed if aliases are handled properly, might be or might not be.. I don't fully grasp the scope of what flex does here.

Commits
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27de569 Avoid filtering out aliases of valid packages

v1.9.8: bug #697 Remove extra.branch-alias on create-project (nicolas-grekas)

This PR was merged into the 1.8-dev branch.

Discussion
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Remove extra.branch-alias on create-project

Commits
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d16046d Remove extra.branch-alias on create-project

v1.9.7

bug #693 Fix InformationOperation breaking on latest Composer 2.x (Se…