The 2015Q1 brings new features and many fixes for all platforms. As usual this Release Notes highlight most important features and bug fixes and also list all known issues.

This release introduces the “Upcoming Platforms” section for announcements related to platforms that are under development and not available for end users yet.

Linux Kernel – 3.19.2
Mesa – 10.5.1
xf86-video-intel – 2.99.917
Libdrm – 2.4.59
Libva – 1.5.1
vaapi intel-driver – 1.5.1
Cairo – 1.14.2
Xorg Xserver – 1.17.1
Intel-gpu-tools – 1.10
Linux Kernel for Upcoming Platforms (BSW and SKL) – drm-intel-testing
For more details read the full release notes: https://01.org/linuxgraphics/downloads/2015/2015q1-intel-graphics-stack-release