However, these gains came at the cost of system stability. Because the driver was "blob" software, it did not always play well with the Linux kernel's rapid development. Users frequently had to rely on or manual "build-and-install" scripts to patch the driver for newer kernel versions, turning a simple update into a weekend project. The Legacy of the "Legacy" Driver
: It was the only way to access hardware-accelerated video decoding (UVD) and official CrossFire support.
The release of in late 2012 represented a pivotal, albeit turbulent, moment for Linux enthusiasts using AMD hardware. Central to this experience was the AMD Catalyst driver (fglrx), a proprietary software package that became a symbol of the friction between cutting-edge desktop environments and closed-source driver development. The Shift to Unity and X.Org 1.13