There is no previous release to be compatible with.
Gyrex is designed as the basis for internationalized products. The user interface elements provided by the Gyrex components, including dialogs and error messages, are externalized. The English strings are provided as the default resource bundles.
The server-side part of the Eclipse Gyrex Project will be written and compiled against:
Version 6.0 of the Java Platform APIs (i.e., Java 2 Platform, Release 6.0 SE)
<div> Per the Indigo participation guidelines, we are required to to have a theme in our plan for Eclipse 4.1. Gyrex makes use of e4 dependency injection. This is a core technology which is also used in Eclipse 4.1. </div>