In Symfony 3.3, the deprecation messages generated during the compilation of the service container will be persisted, so they won't disappear when you reload the page.
This week, the upcoming Symfony 3.3 version introduced the "autoconfigure" option for automatic configuration of "_instanceof". Meanwhile, Symfony Flex continued unveiling some of its features, such as recipes from the community and opening the main and contrib recipe repositories.
Symfony 3.3 will include a new component called WebLink to manage links between resources; implementing features such as preloading and prefetching.
In Symfony 3.3, the SecuritBundle includes improvements such as a smarter security:encode-password command and a more robust logout URL generation.
This week, Symfony added a new component called WebLink to provide HTTP preloading features. In addition, the new service configuration hierarchy (defaults > instanceof > service) was reworked. Lastly, we discovered the new Symfony 4 directory structure and also the first technical details about Symfony Flex.
Symfony 3.3 has redesigned the exception pages to modernize them and match their design with the toolbar and the profiler.
In Symfony 3.3 we optimized the performance of the routing component to make your applications faster, specially when they define a lot of routes.
Symfony 3.3 defines a new Kernel::getProjectDir() to replace Kernel::getRootDir() as the way to find the root project directory.
This week Symfony started working on stabilizing the new features introduced for Symfony 3.3, specially the ones related to autowiring. Symfony also added a new Kernel::getProjectDir() method to get the root directory of the project instead of the kernel directory. Lastly, the first blog posts about Symfony 4 were published, outlining the future of the Symfony project.
In Symfony 3.3, it's easier to work with flash messages in templates. In addition, the session no longer starts automatically when checking if there are flash messages.
In Symfony 3.3, the Workflow component will include lots of useful new features.
In Symfony 3.3, the special SYMFONY__ environment variables have been deprecated and they will no longer work on Symfony 4.0. Use regular environment variables instead.
This week Symfony entered into the "feature freeze" period for the upcoming 3.3 version. This means that the development activity will slow down to focus on stabilizing the new features introduced in Symfony 3.3. Meanwhile, the SymfonyLive Paris 2017 conference took place this week with great success.