Overview
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Symfony 2.2 is out and wonderful! If you're thinking about upgrading, there are a few important changes to be aware of and a bunch of great new features. In this screencast, we'll talk about how to upgrade, things to watch out for, and some new features. We dive a bit deeper into caching and ESI in Symfony by exploring the new fragments framework (formerly sub-requests). If you've been thinking about caching or are confused by the new changes, this is for you! Highlights: * The new fragments framework, ESI, the `ProxyListener`, trusted proxies * Host Routing * New tools inside the console commands * Upgrading to Symfony3!!??
