In preparation for my talk at Drupalcamp Spain 2012 about Symfony in Drupal 8 I made a list of some relevant issues and posts related to the topic. In pretty much chronological order.

TIMELINE

April 2010

• Architectural Plan

September 2010

• Butler developments in Copenhagen

March 2011

• Plugin research results

April 2011

• Announcing the Web Services and Context Core Initiative
• Web services in Drupal 8

August 2011

• Research on two HTTP libraries

June 2011

• Add Symfony2 HttpFoundation library to core

July 2011

• [meta]Unofficial Drupal 8 Framework initiative
• Add unified context system to core

August 2011

• Identify pieces of Drupal that could be replaced by Symfony code

September 2011

• Move all module-provided classes to PHP namespaces (PSR-0 or similar), and autoload them without the registry [policy, no patch]

October 2011

• What Symfonic Drupal means
• Switch to Symfony2-based session handling (Previously: Refactor session handling)
• PSR-0 compatible class loader in core
  • "Drupal core now ships with the Symfony2 ClassLoader"
• What is Symfony2?

November 2011

• Drupal in the post-page era
• Add unified context system to core (PATCH)
• WebSockets

December 2011

• A PHP Christmas Miracle - 3 Frameworks, 1 app
• Rethinking WSCCI
  • "However, after some additional research and discussion with Symfony2 folks I realized that what we were trying to do... Symfony2's component libraries already do."
  • "I propose that we cut to the chase and port Drupal to Symfony2's HttpKernel library, and accept the rather drastic changes that will result."

January 2012

• Create your own framework... on top of the Symfony2 Components (part 1)

February 2012

• The future is a RESTful Drupal
• Refocusing WSCCI
  • "Why Symfony2? Well, quite simply, its low-level components are already solid REST-based systems, exactly what we've been trying to build."
• Drupal 8: The path forward

February 2012

• Evaluate Symfony form component as a replacement for Drupal FAPI
• [policy] How to handle unforeseen diversion of Symfony code in stable/API-locked Drupal core?
• Symfony Release Process

March 2012

• Add a Drupal kernel; leverage HttpFoundation and HttpKernel
• Core subsystems converted to PSR-0 standard
• Use Symfony EventDispatcher for hook system
• WSCCI Routing in Denver
• Use Dependency Injection to handle object definitions

April 2012

• Refactor Drupal.ajax

May 2012

• Switch page caching to HttpCache
• Implement new routing system
• Change file_transfer() to use readfile()
• Allow modules to register services and subscriber services (events)

June 2012

• The Kernel has landed
• WSCCI Web Services Format Sprint Report

July 2012

• Add the Doctrine Common PHP library
• Enable secure compiled information on disk
• Compile the Injection Container to disk

August 2012

• Larry Gardfield's WSCCI presentation in Drupalcon Munich 2012: Slides, Video
• Planning for Security implications of using external libraries

October 2012

• Add Symfony's Serializer component to core