Symfony 4.4.24 has just been released. Here is a list of the most
important changes:

security #cve-2021-21424 [SecurityCore] Fix user enumeration via response body on invalid credentials (@chalasr)
bug #41230 [FrameworkBundle][Validator] Fix deprecations from Doctrine Annotations+Cache (@derrabus)
bug #41240 Fixed deprecation warnings about passing null as parameter (@derrabus)
bug #41241 [Finder] Fix gitignore regex build with “” (@mvorisek)
bug #41224 [HttpClient] fix adding query string to relative URLs with scoped clients (@nicolas-grekas)
bug #41233 [DependencyInjection][ProxyManagerBridge] Don’t call clas _exists() on null (@derrabus)
bug #41210 [Console] Fix Windows code page support (@orkan)

Want to upgrade to this new release? Because Symfony protects
backwards-compatibility very closely, this should be quite easy. Use
SymfonyInsight upgrade reports
to detect the code you will need to change in your project and
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.

Symfony Blog
Read More