Symfony 7.0.0-RC1 has just been released.
Here is the list of the most important changes since 7.0.0-BETA3:

bug #52597 [DependencyInjection] Fix dumping containers with null-referenced services (@nicolas-grekas)
bug #52588 [Messenger] Use extension_loaded call to check if pcntl extension is loaded, as SIGTERM might be set be swoole (Sergii Dolgushev)
feature #52569 [VarExporter] Drop support for partially initialized lazy object (@nicolas-grekas)
bug #52567 [AssetMapper] Fixing js sourceMappingURL extraction when sourceMappingURL used in code (@weaverryan)
bug #52579 [DomCrawler] UriResolver support path with colons (@vdauchy)
bug #52581 [Messenger] attach all required parameters to query (@xabbuh)
feature #52568 [VarExporter] Deprecate per-property lazy-initializers (@nicolas-grekas)
feature #52560 [Mailer] Update default Mailjet port (@Katario)

Want to upgrade to this new release? Because Symfony protects
backwards-compatibility very closely, this should be quite easy. Use
SymfonyInsight upgrade reports
to detect the code you will need to change in your project and
read our upgrade
documentation to learn more.

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