Posted by jmaasing on Jul 11, 2013; 8:32pm
URL: https://forum.jogamp.org/JOGL-GLSL-version-and-Mac-OS-X-10-7-5-tp4029574p4029578.html

I also think it should support GLSL 1.50
https://developer.apple.com/graphicsimaging/opengl/capabilities/GLInfo_1075_Core.html

I found in App Store an application called "OpenGL Extension Viewer". It seems to perform a lot of compatibility tests and reports, you can try that if you don't want to code a test application yourself.