Upgrading & What's in Symfony 7

Symfony 7️⃣ is here! And I want all of us to enjoy it. So let's get to work on upgrading. In this tutorial, we'll:

• Upgrade to Symfony 6.4
• Update all of our Flex recipes: walking through the why behind the changes
• Remove SensioFrameworkExtraBundle
• Navigate the WebpackEncoreBundle v2 & StimulusBundle changes
• Search & eliminate deprecations 🔎
• Upgrade to Symfony 7
• Converging from Webpack Encore -> AssetMapper
• NEW: #[Autowire] attributes
• NEW: Command profiler
• NEW: #[MapQueryParameter] and $request->getPayload()
• The shiny Scheduler component!
• And a tour of my other favorite new features...

Thanks to Symfony's deprecation system, upgrading is safe & simple. So let's do this!

• Upgrading to Symfony 6.4
• Flex Recipe Updates
• Encore, StimulusBundle & their Recipe Changes
• Goodbye SensioFrameworkExtraBundle
• Finding & Eliminating Deprecations
• Upgrading to Symfony 7
• Migrating Encore -> AssetMapper
• Encore -> AssetMapper Part 2
• Modernizing with fetch() and await
• New Autowiring Attributes
• MapQueryParameter & Request Payload
• Profiling Commands
• New Component: Scheduler