Symfony 6.1.0-BETA2 has just been released.
Here is the list of the most important changes since 6.1.0-BETA1:

feature #45282 [Serializer] Support canners in object normalizer (@rmikalkenas)
feature #46157 [Routing] Remove variadic constructor signature (@wouterj)
bug #46154 [Mailer] Restore X-Transport after failure (@zenas1210)
bug #46178 [DependencyInjection] Properly declare #[When] as allowed on functions (@nicolas-grekas)
bug #46171 [VarDumper] Fix dumping floats on PHP8 (@nicolas-grekas)
bug #46170 Fix dumping enums on PHP 8.2 (@nicolas-grekas)
bug #46143 [Cache] Prevent fatal errors on php 8 when running concurrently with TagAwareAdapter v6.1 (@sbelyshkin)
bug #45896 [Cache] Optimize caching of tags (@sbelyshkin)
bug #46149 Modify processing of uploaded files to be compatible with PHP 8.1 (@p-golovin)
feature #46112 [DependencyInjection] Rename #[InnerService] to #[MapDecorated] (@chalasr)
bug #46125 [FrameworkBundle] Always add CacheCollectorPass (@fancyweb)
feature #45989 [FrameworkBundle] deprecate not setting http_method_override (@Tobion)
feature #46042 [Routing] Add params variable to condition expression (@HypeMC)
feature #46115 [FrameworkBundle] Add support for route attributes in kernel controller methods (@dunglas)
bug #46121 Fix „Notice: Undefined index: headers“ in messenger with Oracle (@rjd22)
feature #45834 [DependencyInjection] add AsDecorator class attribute and InnerService parameter attribute (@Jean-Beru)
bug #46106 [String] Fix ansi escape sequences regex (@fancyweb)
feature #46056 [PropertyInfo] Add support for promoted properties in PhpStanExtractor (@simPod)
feature #46047 [Notifier] smsapi – send messages in test mode (@Patryk Kozłowski)
bug #46097 [Routing] fix router base url when default uri has trailing slash (@Tobion)
feature #46052 [TwigBundle] Deprecate option „autoescape“, use „autoescape_service[_method]“ instead (@nicolas-grekas)
bug #46054 [SecurityBundle] Use config’s secret in remember-me signatures (@jderusse)
feature #45528 [Routing] Add Requirement, a collection of universal regular-expressions constants to use as route parameter requirements (@fancyweb)
bug #46051 Don’t replace symfony/security-guard (@derrabus)

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