Changelog (since v3.4.0-BETA2...v3.4.0-BETA3)

• bug [HttpFoundation] Fix forward-compat of NativeSessionStorage with PHP 7.2 #24531 [HttpFoundation] Fix forward-compat of NativeSessionStorage with PHP 7.2 (@sroze)
• bug [DI] Fix the "almost-circular refs" fix #24828 [DI] Fix the "almost-circular refs" fix (@nicolas-grekas)
• bug Fix dump panel hidden when closing a dump #24665 Fix dump panel hidden when closing a dump (@julienfalque)
• bug [TwigBridge] [Bootstrap 4] Fix hidden errors #24802 [TwigBridge] [Bootstrap 4] Fix hidden errors (@ostrolucky)
• bug [Serializer] Fix extra attributes when no group specified #24816 [Serializer] Fix extra attributes when no group specified (@ogizanagi)
• bug [DI] Fix "almost-circular" dependencies handling #24822 [DI] Fix "almost-circular" dependencies handling (@nicolas-grekas)
• bug symfony/form auto-enables symfony/validator, even when not present #24821 symfony/form auto-enables symfony/validator, even when not present (@weaverryan)
• bug [FrameworkBundle][Config] fix: do not add resource checkers for no-debug #24824 [FrameworkBundle][Config] fix: do not add resource checkers for no-debug (@dmaicher)
• bug [Intl] Make intl-data tests pass and save language aliases again #24814 [Intl] Make intl-data tests pass and save language aliases again (@jakzal)
• bug [Serializer] readd default argument value #24810 [Serializer] readd default argument value (@xabbuh)
• bug [Config] Fix dump of config references for deprecated nodes #24809 [Config] Fix dump of config references for deprecated nodes (@chalasr)
• bug [PhpUnitBridge] Fixed fatal error in CoverageListener when something goes wrong in Test::setUpBeforeClass #24796 [PhpUnitBridge] Fixed fatal error in CoverageListener when something goes wrong in Test::setUpBeforeClass (@lyrixx)
• bug [HttpKernel] Let the storage manage the session starts #24774 [HttpKernel] Let the storage manage the session starts (@sroze)
• bug [VarDumper] fix trailling comma when dumping an exception #24735 [VarDumper] fix trailling comma when dumping an exception (@Simperfit)
• bug [Validator] Fix TraceableValidator is reset on data collector instantiation #24770 [Validator] Fix TraceableValidator is reset on data collector instantiation (@ogizanagi)
• bug [HttpFoundation] add Early Hints to Reponse to fix test #24764 [HttpFoundation] add Early Hints to Reponse to fix test (@Simperfit)
• bug Removes \n or space when $context/$extra are empty #24759 Removes \n or space when $context/$extra are empty (@kirkmadera)
• bug Throwing exception if redis and predis unavailable #24758 Throwing exception if redis and predis unavailable (@aequasi)