New in Symfony 3.3: Redesigned exception pages

Contributed by Javier Eguiluz in #20951. Symfony exception pages provide detailed information, such as logs and stack traces, about the errors that happen during the execution of your applications. They are immensely useful, but their design was a bit outdated, specially since we redesigned the toolbar and the profiler in Symfony 2.8. In Symfony 3.3…