Changelog (https://github.com/symfony/symfony/compare/v4.4.44...v4.4.45)

• bug #47358 Fix broken request stack state if throwable is thrown. (@Warxcell)
• bug #47304 [Serializer] Fix caching context-aware encoders/decoders in ChainEncoder/ChainDecoder (@Guite)
• bug #47329 Email image parts: regex for single closing quote (@rr-it)
• bug #47200 [Form] ignore missing keys when mapping DateTime objects to uninitialized arrays (@xabbuh)
• bug #47189 [Validator] Add additional hint when egulias/email-validator needs to be installed (@mpdude)
• bug #47195 [FrameworkBundle] fix writes to static $kernel property (@xabbuh)
• bug #47175 [DowCrawler] Fix locale-sensitivity of whitespace normalization (@nicolas-grekas)
• bug #47171 [TwigBridge] suggest to install the Twig bundle when the required component is already installed (@xabbuh)
• bug #47161 [Mailer] Fix logic (@fabpot)
• bug #47157 [Messenger] Fix Doctrine transport on MySQL (@nicolas-grekas)
• bug #46190 [Translation] Fix translator overlapse (@Xavier RENAUDIN)
• bug #47142 [Mailer] Fix error message in case of an STMP error (@fabpot)
• bug #47145 [HttpClient] Fix shared connections not being freed on PHP < 8 (@nicolas-grekas)
• bug #47143 [HttpClient] Fix memory leak when using StreamWrapper (@nicolas-grekas)
• bug #47130 [HttpFoundation] Fix invalid ID not regenerated with native PHP file sessions (@BrokenSourceCode)

[PR] https://github.com/symfony/symfony/pull/47397