Comparing Unity 5.10 and Unity 5.12 from ubuntu 12.04 LTS with Unity and Unity 2D versions. Seeing impact of Unity 5.12 performance fixes for OpenGL workloads on the Radeon HD 4890 with the Radeon Gallium3D R600g driver and the default Linux kernel Radeon DRM. Benchmarking for a future article on Phoronix.com.