Mesa Hasn't Been Branched Yet Due To LLVM Issues
Written by Michael Larabel in Mesa on 19 October 2016 at 10:45 AM EDT. 7 Comments
MESA --
The Mesa 12.1/13.0 release dragged out a bit to allow the RADV Radeon Vulkan driver to be merged and then some Gallium3D Nine fixes, which have landed. The branching / feature freeze didn't happen last week though as planned, but Emil Velikov the release manager has now provided an update.

Responding to an inquiry why the branching didn't happen yet, Emil commented he was battling some LLVM issues. However, he seems to be letting those issues go and leave it up to LLVM developers, so it looks like the branching may now proceed.

This next Mesa release will be due out in November unless things continue to drag on. It will certainly be quite exciting with OpenGL 4.5 for Intel (and RadeonSI / NVC0 being there too, but not officially exposed), the addition of the RADV Radeon Vulkan driver, Intel Vulkan driver improvements, performance optimizations, and much more. It's going to be an exciting release.

In Git the Mesa version is still 12.1-dev with no version bump yet to Mesa 13.0. Usually they bump the major version when the GL version advances, which it has now from OpenGL 4.3 in Mesa 12.0 to OpenGL 4.4 and 4.5 in core Mesa. Next year they are looking at moving to a new versioning scheme.
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