From the new MetaBorg blog:

We are happy to announce the release of Spoofax 1.1! This is the first major release since version 1.0.1 and includes major features and improvements. Spoofax 1.1 supports all current Eclipse versions, up to version 4.2.2.

The MetaBorg site is intended to unify all material on Spoofax, SDF, Stratego, and NaBL.