Symfony has introduced a polyfill for the new features added in the upcoming PHP 7.3 version and another polyfill for the Ctype extension.
In Symfony 4.1, working with Single-Page Applications will be easier thanks to the self-updating debug toolbar
This week, development activity was focused on improving the new Messenger component to allow defining multiple buses, adding a memory limit option to ConsumeMessagesCommand and generating better logs for received messages. In addition, we improved the performance of the resource loading in the Translator component and the performance of the normalizer in the Serializer component.
In Symfony 4.1 sessions can be migrated to new storage handlers and some requests that use sessions can now be cached.
Symfony 4.1 introduces new exception classes and improves the exception pages design to be more actionable and display more accurate information.
Symfony 4.1 introduces a new utility class to work with HTTP headers, adds support for default values in Accept headers and it allows to bypass HTTP headers when submitting forms in tests.