Changelog (v6.3.6...v7.0.0-BETA1)
- feature symfony/symfony#51926 [Mime] Forbid messages that are generators to be used more than once (@fabpot)
- feature symfony/symfony#51601 [Mime] Allow to add some headers as a strings (@Oipnet)
- feature symfony/symfony#51191 [Mime] Update mimetypes (@fabpot)
- feature symfony/symfony#50200 [Mailer] Adds
assertEmailSubjectContainsandassertEmailSubjectNotContainsmethods (@johanadivare) - feature symfony/symfony#50852 [Components] Convert to native return types (@wouterj)
- feature symfony/symfony#50842 Add missing return types to magic methods (@wouterj)
- feature symfony/symfony#50873 Remove remaining deprecated code paths (@nicolas-grekas)
- feature symfony/symfony#50869 [Mime] remove deprecated methods in Mime Component (@fafiebig)
- feature symfony/symfony#50404 Bump to PHP 8.2 minimum (@nicolas-grekas)