With [1]Mesa 25.2.1 recently having been released, the prior quarter's Mesa 25.1 series is now drawing to a close. Excellent Mesa release manager Eric Engestrom released Mesa 25.1.9 as one last point release for Mesa 25.1 before ending this branch.

There are a variety of different bug-fixes backported for this final Mesa 25.1 release. Some of the Mesa 25.1.9 changes include:

- Several RadeonSI Video Core Next (VCN) video fixes were back-ported. This includes fixing HEVC encode when running on old firmware, enabling an AV1 decode workaround for RadeonSI VA and RADV Vulkan Video on AMD GFX1153 graphics, and other fixes.

- RADV will only expose indirect ray-tracing on AMD GFX7 hardware and newer.

- Various Intel ANV Vulkan driver fixes, including some missing L3 cache flushes

- The Intel ANV driver adds a feature flag for linearly-tiled ASTC texture compressed images.

- Various other small driver fixes throughout.

The full list of Mesa 25.1.9 changes can be found via today's [2]release announcement .

Mesa 25.2 is the current stable driver series for Q3'2025 while Mesa 25.3 is the version currently under development for Mesa and will debut as stable in November.



[1] https://www.phoronix.com/news/Mesa-25.2.1-Released

[2] https://lists.freedesktop.org/archives/mesa-dev/2025-August/226551.html