* 3.4.23 (2019-03-03)

* bug #26532 [HttpKernel] Correctly merging cache directives in HttpCache/ResponseCacheStrategy (aschempp)

* bug #30363 Fixed the DebugClassLoader compatibility with eval()'d code on Darwin (skalpa)

* bug #30329 [Form] IntegerType: reject submitted non-integer numbers (xabbuh)

* bug #30347 [Security] Change FormAuthenticator if condition (PReimers)

* bug #30354 [Console] handles multi-byte characters in autocomplete (jls-esokia)

* bug #30351 Fix getItems() performance issue with RedisCluster (php-redis) (andrerom)

* bug #30350 [VarDumper] Keep a ref to objects to ensure their handle cannot be reused while cloning (nicolas-grekas)

* bug #30327 [HttpKernel] Fix possible infinite loop of exceptions (enumag)

* bug #27601 [Routing] fix URL generation with look-around requirements (nasimnabavi)

* bug #30277 [Console] Prevent ArgvInput::getFirstArgument() from returning an option value (chalasr)

* bug #29981 [Security] Complain about an empty decision strategy (corphi)

* bug #29822 [EventDispatcher] Fix unknown priority (ro0NL)

* bug #30324 [Validator] Fixed duplicate UUID (ralfkuehnel)

* bug #30265 [Form] do not validate non-submitted form fields in PATCH requests (xabbuh)

* bug #30313 Avoid mutating the Finder when building the iterator (stof)

* bug #30271 [Console] Fix command testing with missing user inputs (chalasr)

* bug #30278 Remove unnecessary ProgressBar stdout writes (fixes flickering) (ostrolucky)

* bug #30274 [VarDumper] fix serializing Stub instances (nicolas-grekas)

* bug #30247 Don't resolve the Deprecation error handler mode until a deprecation is triggered (ossinkine)

* bug #30264 [Debug][ErrorHandler] Preserve next error handler (fancyweb)

* bug #30090 [FrameworkBundle] add constraint validators before optimizations (xabbuh)

* feature #30126 [Form] forward valid numeric values to transform() (xabbuh)

* bug #30122 [Security] fix switch user without having current token (Antoine Lamirault)

* bug #30136 use PropertyAccessorInterface instead of PropertyAccessor (nick-zh)

* bug #30124 Fix KernelTestCase compatibility for PhpUnit 8 (bis) (nicolas-grekas)

* bug #30061 [Form] render integer types with grouping as text input (xabbuh)

* bug #30063 [Form] don't lose int precision with not needed type casts (xabbuh)

* bug #30076 [Form] ignore _method forms in NativeRequestHandler (xabbuh)

* bug #30084 Fix KernelTestCase compatibility for PhpUnit 8 (alexander-schranz)

* bug #29884 [Form] CsrfValidationListener marks the token as invalid if it is not a string (umpirsky)

* bug #30062 [Form] do not overwrite the constraint being evaluated (xabbuh)

* bug #30087 [PhpUnitBridge] fix PHP 5.3 compat (nicolas-grekas)