The Mesa Radeon Vulkan driver "RADV" LBVH support has landed for boosting the Vulkan ray-tracing potential for this open-source driver. The LBVH patch series is what I reported on earlier this month for at least one workload going from around 13 to 250 FPS boost...
In addition to Ubuntu 22.04 switching back NVIDIA to using X11 by default rather than Wayland as a launch-day change, separately, there was another rather notable last minute change affecting 3D support for virtual machines... Those with Ubuntu 22.04 hosts and launching Ubuntu 22.04 desktop VMs will find 3D acceleration disabled by default...
The widely-used FFmpeg multimedia library has merged support for the JPEG-XL image format...
AMD's open-source Linux engineers on the CPU side of the house continue being quite busy with all sorts of new feature enablement work, which given their timing and other factors is almost all definitively for upcoming Zen 4. AMD this week sent out updated patches in getting "PerfMonV2" support in order that is updated performance monitoring abilities with upcoming processors...
In addition to CUPS back to seeing new feature development for this print server now being managed by OpenPrinting, CUPS founder Michael Sweet also continues being quite busy with working on PAPPL as his modern printer application framework effort...
While back in March Ubuntu 22.04 "Jammy Jellyfish" changed the default behavior for NVIDIA's driver to use Wayland inline with Intel and Radeon graphics having used the GNOME Wayland session rather than X.Org for the past few releases, this change was reverted at the last-minute. With a launch-day SRU, Ubuntu 22.04 LTS is defaulting to using the GNOME X.Org session rather than Wayland when running the proprietary NVIDIA driver...
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