Flex version history

[Jorge Solis]

 I was researching this info and post here just as a reference. Note that despite the name change from Flex to Flash builder, I just keep Flex as the name for easy

Flex 1.0: March 2004. Code name “Royale”
Flex 1.5: October 2004
Flex 2.0 (Alpha): October 2005. Flex 2 was codenamed “Zorn”
Flex 2.0 (Beta 1): February 2006
Flex 2.0 (Beta 2): March 2006
Flex 2.0 (Beta 3): May 2006
Flex 2.0 Final: June 28, 2006. Flex SDK went OpenSource
Flex 2.0.1: January 5, 2007
Flex 3.0 (Beta 1): June 11, 2007. Code name Moxie
Flex 3.0 (Beta 2): October 1, 2007
Flex 3.0 (Beta 3): December 12, 2007
Flex 3.0 Final: February 25, 2008
Flex 3.0.1: 28,August, 2008
Flex 3.0.2 & FlexBuilder 3.2: 17 November 2008
Flex SDK 3.1: Fri Aug 15, 2008
Flex SDK  3.2: Oct 29, 2008
Flex SDK 3.3: 03 March 2009
Flex SDK 3.4 Aug 18, 2009
Flex SDK 3.5 Dec 18, 2009
Flex 4.0: March 22, 2010.  Code named Gumbo
Flex SDK 4.1: June 30, 2010
Flex SDK 3.6 May 3, 2011 Latest release of 3.x family
Flex 4.5: May 3rd, 2011. Mobile support (Android + Playbook)
Flex 4.5.1: June 19, 2011. Adds mobile support for IOS
Flex 4.6: November 29, 2011
Flex 4.8: July 19, 2012. Parity release from Apache

To be continued ...

Jorge