|Version||Initial Release||Legacy, Security Support only||Retired, Unsupported|
|v. 1||Apr 23, 2004 (about 14 years ago)||Dec 07, 2012 (5 years ago)||Dec 07, 2013 (4 years ago)|
|v. 2||Dec 02, 2009 (8 years ago)||Oct 13, 2015 (2 years ago)||Apr 30, 2017 (11 months ago)|
|v. 3||Oct 13, 2015 (2 years ago)||Dec 14, 2017 (4 months ago)||Dec 14, 2018 (in about 8 months)|
|v. 4||Dec 06, 2017 (4 months ago)|
A legacy product is one that is no longer under active development but has yet to be fully retired. This is not an automatic designation, and when it happens, it will be publicly announced through all our major channels of communication. Legacy products are no longer available for purchase, and no software defects will be fixed (including new issues) with the exception of major security concerns and defects that result in data loss. Official support for legacy products is included with an EllisLab Support plan.
Once a product is designated a legacy product, it will automatically become a retired product 1 year later. Retired products, such as pMachine Pro, ExpressionEngine 1, and ExpressionEngine 2 are no longer available for purchase, no longer receive updates of any kind, and are no longer eligible for support.
For more information please refer to ExpressionEngine's Support Policy and Support F.A.Q.