Symfony 2.8.20 has just been released. Here is a list of the most important changes:

  • bug #22550 Allow Upper Case property names in ObjectNormalizer (@insekticid)
  • bug #22528 [Asset] Starting slash should indicate no basePath wanted (@weaverryan)
  • bug #22541 [EventDispatcher] fix: unwrap listeners for correct info (@dmaicher)
  • bug #22526 [Asset] Preventing the base path or absolute URL from being prefixed incorrectly (@weaverryan)
  • bug #22523 [WebProfilerBundle] Fixed the flickering when loading complex profiler panels (@javiereguiluz)
  • bug #22435 [Console] Fix dispatching throwables from ConsoleEvents::COMMAND (@nicolas-grekas)
  • bug #22478 [Serializer] XmlEncoder: fix negative int and large numbers handling (@dunglas)
  • bug #22424 [Debug] Set exit status to 255 on error (@nicolas-grekas)
  • bug #22426 [PropertyInfo] Prevent returning int values in some cases (@dunglas)
  • bug #22399 Prevent double registrations related to tag priorities (@nicolas-grekas)
  • bug #22396 Prevent double registrations related to tag priorities (@nicolas-grekas)
  • bug #22352 [HttpFoundation] Add use_strict_mode in validOptions for session (@sstok)
  • bug #22351 [Yaml] don't keep internal state between parser runs (@xabbuh)
  • bug #22307 [Debug] Fix php notice (@enumag)
  • bug #22311 [DI] Fix second auto-registration (@nicolas-grekas)
  • bug #22109 [Validator] check for empty host when calling checkdnsrr() (@apetitpa)
  • bug #22280 [DI] Fix the xml schema (@GuilhemN)
  • bug #22282 [DI] Prevent AutowirePass from triggering irrelevant deprecations (@chalasr)
  • bug #22255 [Translation] avoid creating cache files for fallback locales. (@aitboudad)
  • bug #22292 Fixes #22264 - add support for Chrome headless (@redthor)

Want to upgrade to this new release? Fortunately, because Symfony protects backwards-compatibility very closely, this should be quite easy. Read our upgrade documentation to learn more.

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