The PCI subsystem updates were merged this week for the Linux 7.1 kernel with a wide assortment of PCI(e) changes from new to old hardware.

Timur Kristóf of Valve's Linux graphics driver team is the one that worked on improving the old AMD Radeon GCN 1.0/1.1 graphics card support by making AMDGPU driver improvements so it could become the default for these Southern Islands and Sea Islands GPUs rather than the legacy Radeon kernel driver. That meant better performance, RADV Vulkan support out-of-the-box, and other benefits. More recently he finished AMDGPU improvements for Kaveri and other GCN 1.1 era APUs. Now Timur's out with some more fixes for helping select GCN 1.0 hardware.

The sound subsystem changes were merged this week for Linux 7.1 that include some new hardware support and other useful additions.

The popular Arch Linux based CachyOS has now rolled out the Linux 7.0 kernel to its users. But beyond re-basing against the latest upstream kernel version it is also carrying some extra patches.

In addition to the notable libcrypto optimizations and improvements merged during this first week of the Linux 7.1 merge window, the main cryptography subsystem pull was also merged. Notable here are the Intel QuickAssist (QAT) improvements.

The block subsystem and IO_uring changes were merged this week for Linux 7.1 in continuing to enhance Linux storage capabilities.

GhostBSD 26.1-R15.0p2 released today as a big upgrade for this desktop-focused, BSD operating system derived from FreeBSD.

The AMD Machine Check Exception "mce_amd" driver as part of the Error Detection And Correction (EDAC) subsystem is introducing support for new SMCA bank types on AMD platforms. Given the timing these new bank types are presumably for AMD's upcoming Zen 6 / EPYC Venice hardware.

For those making use of the WireGuard open-source, secure VPN tunnel software, WireGuard For Windows 1.0 is finally available.

The scheduler changes for Linux 7.1 are now in place and may bring performance benefits for at least some systems and workloads.

For pairing nicely with the GNOME 50 desktop release last month, a number of GNOME-associated apps have been seeing new features and refinements.

Merged this week for Linux 7.1 was a rework of the high resolution timer "HRTIMER" subsystem for reducing the overhead of frequently-armed timers, such as the HRTICK scheduler timer. The HRTICK scheduler timer is useful for enhancing system responsiveness and fairness.

KDE Plasma 6.7 enjoyed a lot of recent feature development work thanks to a developer sprint in Graz, Austria. Also because of that developer sprint, This Week In Plasma wasn't published last week and so in turn a new issue is now available to highlight the changes over the past two weeks.

As a very exciting follow-up to the recent article around the new NTFS driver being submitted for Linux 7.1 to address the shortcomings of the current Paragon NTFS3 driver and the prior read-only NTFS kernel driver, that work has been merged!

Made public today was the Floating Point Divider State Sampling bug (stylized as FP-DSS or FPDSS) affecting original AMD Zen 1 (and Zen 1+) processors. The Linux kernel is already to go with a security fix for those still relying on the very first Ryzen or EPYC processors.

For those using upstream Wine for running your Windows games/apps on Linux rather than the likes of the Proton 11.0 beta, out today is Wine 11.7 as the newest bi-weekly development release.

Given the Ubuntu 26.04 LTS release being imminent and also realizing it's been nearly one year to the day since reviewing the Lenovo ThinkPad X1 Carbon Gen 13 Aura Edition laptop under Linux, I ran some fresh benchmarks for seeing how the integrated Xe2 graphics have evolved on Linux over the past year.

The open-source Linux graphics driver work continues around AMD's GFX11.7 GPU target for some yet-to-be-launched APUs/SoCs and to be branded as "RDNA 4m".

Loongson's LoongArch processors are running decent in our recent Loongson 3B6000 benchmarks but even better performance is on the way with the next GNU C Library "glibc" release.

Linux libcrypto cryptography subsystem changes for the v7.1 kernel are enabling more optimizations by default and in turn helping to achieve better crypto/hashing performance on this next kernel version.