Symfony 5.0.0-BETA2 released

Symfony 5.0.0-BETA2 has just been released. Here is a list of the most important changes:

• bug #34344 [Console] Constant STDOUT might be undefined (@nicolas-grekas)
• bug #34348 [Serializer] Fix ProblemNormalizer signature mismatch (@chalasr)
• security #cve-2019-18886 [SecurityCore] throw AccessDeniedException when switch user fails (@nicolas-grekas)
• security #cve-2019-18888 [Mime] fix guessing mime-types of files with leading dash (@nicolas-grekas)
• security #cve-2019-11325 [VarExporter] fix exporting some strings (@nicolas-grekas)
• security #cve-2019-18889 [Cache] forbid serializing AbstractAdapter and TagAwareAdapter instances (@nicolas-grekas)
• security #cve-2019-18888 [HttpFoundation] fix guessing mime-types of files with leading dash (@nicolas-grekas)
• security #cve-2019-18887 [HttpKernel] Use constant time comparison in UriSigner (@stof)

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.

Want to be notified whenever a new Symfony release is published? Or when a version is not maintained anymore? Or only when a security issue is fixed? Consider subscribing to the Symfony Roadmap Notifications.