Symfony 4.4.36 has just been released.
Here is the list of the most important changes since 4.4.35:

bug #44838 [DependencyInjection][HttpKernel] Fix enum typed bindings (@ogizanagi)
bug #44826 [HttpKernel] Do not attempt to register enum arguments in controller service locator (@ogizanagi)
bug #44820 [Cache] Don’t lock when doing nested computations (@nicolas-grekas)
bug #44807 [Messenger] fix Redis support on 32b arch (@nicolas-grekas)
bug #44759 [HttpFoundation] Fix notice when HTTP_PHP_AUTH_USER passed without pass (@Vitali Tsyrkin)
bug #44799 [Cache] fix compat with apcu < 5.1.10 (@nicolas-grekas)
bug #44732 [Mime] Relaxing in-reply-to header validation (@ThomasLandauer)
bug #44728 [Mime] Fix encoding filenames in multipart/form-data (@nicolas-grekas)
bug #44710 [DependencyInjection] fix linting callable classes (@nicolas-grekas)
bug #44639 [DependencyInjection] Cast tag attribute value to string (@ruudk)
bug #44473 [Validator] Restore default locale in ConstraintValidatorTestCase (@rodnaph)
bug #44577 [Cache] Fix proxy no expiration to the Redis (@Sergey Belyshkin)
bug #44669 [Cache] disable lock on CLI (@nicolas-grekas)
bug #44537 [Config] In XmlUtils, avoid converting from octal every string starting with a 0 (@alexandre-daubois)
bug #44625 [HttpClient] fix monitoring responses issued before reset() (@nicolas-grekas)
bug #44623 [HttpClient] Fix dealing with „HTTP/1.1 000 “ responses (@nicolas-grekas)
bug #44601 [HttpClient] Fix closing curl-multi handle too early on destruct (@nicolas-grekas)
bug #44571 [HttpClient] Don’t reset timeout counter when initializing requests (@nicolas-grekas)
bug #44479 [HttpClient] Double check if handle is complete (@Nyholm)
bug #44418 [DependencyInjection] Resolve ChildDefinition in AbstractRecursivePass (@fancyweb)
bug #43164 [FrameworkBundle] Fix cache pool configuration with one adapter and one provider (@fancyweb)
bug #44538 [Process] fixed uppercase ARGC and ARGV should also be skipped (@rbaarsma)
bug #44438 [HttpClient] Fix handling thrown Exception in Generator in MockResponse (@fancyweb)
bug #44502 [HttpFoundation] do not call preg_match() on null (@xabbuh)
bug #44467 [Console] Fix parameter types for ProcessHelper::mustRun() (@derrabus)
bug #44399 Prevent infinite nesting of lazy ObjectManager instances when ObjectManager is reset (@Ocramius)
bug #44375 [DoctrineBridge] fix calling get_class on non-object (@kbond)
bug #44361 [HttpClient] Fix handling error info in MockResponse (@fancyweb)
bug #43876 [Validator] Fix validation for single level domains (@HypeMC)
bug #44327 [Debug][ErrorHandler] Increased the reserved memory from 10k to 32k (@sakalys)
bug #44261 [Process] intersect with getenv() in case-insensitive manner to get default envs (@stable-staple)
bug #44295 [Serializer] fix support for lazy/unset properties (@nicolas-grekas)
bug #44269 [DoctrineBridge] Revert “ add support for the JSON type“ (@dunglas)

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