Today version 2.4 has been released. It is a major update with a built-in reference for the OpenGL ES Shading Language (GLSL) and context-sensitive help.

The new features are:

• Built-in GLSL reference (iOS 6)
• Context-sensitive help in the shader editor (iOS6 / iPad)
• Import images from your photo library
• Scrollable error messages
• Two new fonts from the Source Code Pro family
• Option for displaying the frame rate