Operating system and graphics card
Windows 7, 64-bit
Broken: (example: 2.69.7 4b206af, see splash screen)
Short description of error
The center point of the new Sun Beam Node leaves a small cube. This is very visible when the Node is used against very bright images.
Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps
Attached is a .Blend file. A quick render shows the dot in the center of the Sun Beam Node after the compositing is done.