* 3.4.37 (2020-01-21)

* bug #35065 [Security] Use supportsClass in addition to UnsupportedUserException (linaori)

* bug #35343 [Security] Fix RememberMe with null password (jderusse)

* bug #35318 [Yaml] fix PHP const mapping keys using the inline notation (xabbuh)

* bug #35304 [HttpKernel] Fix that no-cache MUST revalidate with the origin (mpdude)

* bug #35299 Avoid `stale-if-error` in FrameworkBundle's HttpCache if kernel.debug = true (mpdude)

* bug #35151 [DI] deferred exceptions in ResolveParameterPlaceHoldersPass (Islam93)

* bug #35254 [PHPUnit-Bridge] Fail-fast in simple-phpunit if one of the passthru() commands fails (mpdude)

* bug #34643 [Dotenv] Fixed infinite loop with missing quote followed by quoted value (naitsirch)

* bug #35239 [Security\Http] Prevent canceled remember-me cookie from being accepted (chalasr)

* bug #35267 [Debug] fix ClassNotFoundFatalErrorHandler (nicolas-grekas)

* bug #35193 [TwigBridge] button_widget now has its title attr translated even if its label = null or false (stephen-lewis)

* bug #35219 [PhpUnitBridge] When using phpenv + phpenv-composer plugin, composer executable is wrapped into a bash script (oleg-andreyev)

* bug #35170 [FrameworkBundle][TranslationUpdateCommand] Do not output positive feedback on stderr (fancyweb)

* bug #35134 [PropertyInfo] Fix BC issue in phpDoc Reflection library (jaapio)

* bug #35125 [Translator] fix performance issue in MessageCatalogue and catalogue operations (ArtemBrovko)

* bug #35103 [Translation] Use `locale_parse` for computing fallback locales (alanpoulain)

* bug #35094 [Console] Fix filtering out identical alternatives when there is a command loader (fancyweb)

* bug #35039 [DI] skip looking for config class when the extension class is anonymous (nicolas-grekas)

* bug #35049 [ProxyManager] fix generating proxies for root-namespaced classes (nicolas-grekas)

* bug #35022 [Dotenv] FIX missing getenv (mccullagh)

* bug #35010 [VarDumper] ignore failing __debugInfo() (nicolas-grekas)

* bug #35000 [Console][SymfonyQuestionHelper] Handle multibytes question choices keys and custom prompt (fancyweb)

* bug #29839 [Validator] fix comparisons with null values at property paths (xabbuh)

* bug #34900 [DoctrineBridge] Fixed submitting invalid ids when using queries with limit (HeahDude)

* bug #34791 [Serializer] Skip uninitialized (PHP 7.4) properties in PropertyNormalizer and ObjectNormalizer (vudaltsov)

* bug #34915 [FrameworkBundle] Fix invalid Windows path normalization in TemplateNameParser (mvorisek)

* bug #34981 stop using deprecated Doctrine persistence classes (xabbuh)

* bug #34904 [Validator][ConstraintValidator] Safe fail on invalid timezones (fancyweb)

* bug #34918 [Translation] fix memoryleak in PhpFileLoader (nicolas-grekas)

* bug #34438 [HttpFoundation] Use `Cache-Control: must-revalidate` only if explicit lifetime has been given (mpdude)

* bug #34449 [Yaml] Implement multiline string as scalar block for tagged values (natepage)

* bug #34601 [MonologBridge] Fix debug processor datetime type (mRoca)

* bug #34842 [ExpressionLanguage] Process division by zero (tigr1991)

* bug #34902 [PropertyAccess] forward caught exception (xabbuh)

* bug #34888 [TwigBundle] add tags before processing them (xabbuh)

* bug #34762 [Config] never try loading failed classes twice with ClassExistenceResource (nicolas-grekas)

* bug #34839 [Cache] fix memory leak when using PhpArrayAdapter (nicolas-grekas)

* bug #34812 [Yaml] fix parsing negative octal numbers (xabbuh)

* bug #34788 [SecurityBundle] Properly escape regex in AddSessionDomainConstraintPass (fancyweb)

* bug #34755 [FrameworkBundle] resolve service locators in `debug:*` commands (nicolas-grekas)

* bug #34832 [Validator] Allow underscore character "_" in URL username and password (romainneutron)

* bug #34738 [SecurityBundle] Passwords are not encoded when algorithm set to "true" (nieuwenhuisen)

* bug #34779 [Security] do not validate passwords when the hash is null (xabbuh)

* bug #34757 [DI] Fix making the container path-independent when the app is in /app (nicolas-grekas)