** Version 4.4.26** (2021-06-30)

• bug #41893 [Filesystem] Workaround cannot dumpFile into "protected" folders on Windows (arnegroskurth)
• bug #41665 [HttpKernel] Keep max lifetime also when part of the responses don't set it (mpdude)
• bug #41760 [ErrorHandler] fix handling buffered SilencedErrorContext (nicolas-grekas)
• bug #41807 [HttpClient] fix Psr18Client when allow_url_fopen=0 (nicolas-grekas)
• bug #40857 [DependencyInjection] Add support of PHP enumerations (alexandre-daubois)
• bug #41767 [Config] fix tracking default values that reference the parent class (nicolas-grekas)
• bug #41768 [DependencyInjection] Fix binding "iterable $foo" when using the PHP-DSL (nicolas-grekas)
• bug #41793 [Cache] handle prefixed redis connections when clearing pools (nicolas-grekas)
• bug #41804 [Cache] fix eventual consistency when using RedisTagAwareAdapter with a cluster (nicolas-grekas)
• bug #41773 [Cache] Disable locking on Windows by default (nicolas-grekas)
• bug #41655 [Mailer] fix encoding of addresses using SmtpTransport (dmaicher)
• bug #41663 [HttpKernel] [HttpCache] Keep s-maxage=0 from ESI sub-responses (mpdude)
• bug #41701 [VarDumper] Fix tests for PHP 8.1 (alexandre-daubois)
• bug #41795 [FrameworkBundle] Replace var_export with VarExporter to use array short syntax in secrets list files (alexandre-daubois)
• bug #41779 [DependencyInjection] throw proper exception when decorating a synthetic service (nicolas-grekas)
• bug #41776 [ErrorHandler] [DebugClassLoader] Do not check Phake mocks classes (adoy)
• bug #41780 [PhpUnitBridge] fix handling the COMPOSER_BINARY env var when using simple-phpunit (Taluu)
• bug #41670 [HttpFoundation] allow savePath of NativeFileSessionHandler to be null (simon.chrzanowski)
• bug #41644 [Config] fix tracking attributes in ReflectionClassResource (nicolas-grekas)
• bug #41621 [Process] Fix incorrect parameter type (bch36)
• bug #41624 [HttpClient] Revert bindto workaround for unaffected PHP versions (derrabus)
• bug #41549 [Security] Fix opcache preload with alias classes (jderusse)
• bug #41491 [Serializer] Do not allow to denormalize string with spaces only to valid a DateTime object (sidz)
• bug #41386 [Console] Escape synopsis output (jschaedl)
• bug #41495 [HttpFoundation] Add ReturnTypeWillChange to SessionHandlers (nikic)