What platforms are supported in GlassFish v2?

The release notes cover supported platforms along with other valuable information. Sun Java System Application Server (SJSAS) 9.1 is Sun's commercial version of GlassFish v2. The information in the SJSAS release notes also pertains to GlassFish v2.

MAC OS X is supported (by the community) as a platform for developing with GlassFish.