AMD Catalyst™ 13.3 Beta 2 Driver

[Stefan]

Feature Highlights of the AMD Catalyst™ 13.3 Beta Driver for Windows®

    Improve performance in Sim City 5 up to 16 percent
    Improves performance in Far Cry 3 up to 5 percent
    Improves latency performance issues seen in Tomb Raider and Hitman Absolution
    Resolves slight corruption seen in Tomb Raider with TressFX enabled for CrossFire and single GPU configurations

also 9 new OpenGL extensions, mostly OpenGL 4.3

[Stefan]

Feature Highlights of the AMD Catalyst™ 13.3 Beta3 Driver for Windows®

    Resolves OpenGL application issues seen with the AMD Catalyst 13.3 Beta2 driver

This "update" removes the new extensions.
You can thank the developer here:
https://twitter.com/CatalystCreator/status/314115029412765697


You can still uses this old workaround (with newer versions)
How to run OpenGL programs broken by ATI Catalyst 7.12+