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LWN.net

[$] Sharing stories on Scuttlebutt

Not many people live on sailboats. Things may be better these days, but back in 2014 sailboat dwellers had to contend with lag-prone, intermittent, low-bandwidth internet connections. Dominic Tarr decided to fix the problem of keeping up with his friends by developing a delay-tolerant, fully distributed social-media protocol called Scuttlebutt. Nearly twelve years later, the protocol has gained a number of users who have their own, non-sailboat-related reasons to prefer a censorship-resistant, offline-first social-media system.

LWN.net

Security updates for Tuesday

Security updates have been issued by AlmaLinux (crun, kernel, and kernel-rt), Debian (dovecot), Fedora (calibre and nextcloud), Mageia (freerdp, polkit-122, python-nltk, python-pyasn1, vim, and xz), Red Hat (edk2 and openssl), SUSE (avahi, cockpit, python-pyOpenSSL, python311, and tar), and Ubuntu (lambdaisland-uri-clojure, linux-gcp, linux-gcp-4.15, linux-gcp-fips, linux-oem-6.17, and linux-realtime-6.17).

Phoronix

Ubuntu 26.04 Provides More Performance For AMD Ryzen AI Max "Strix Halo"

Last week I provided benchmarks to quantify how the AMD Strix Halo graphics performance has evolved since launch one year ago, in today's article is a look at how the Zen 5 CPU performance with the flagship Ryzen AI Max+ 395 has evolved under Linux in the year since these exciting APUs began making their way to high-end laptops and desktops. Complementing the nice Radeon 8060S performance gains are also some nice CPU performance benefits quantified when using Ubuntu 26.04.

Phoronix

Intel QAT Driver With Linux 7.1 Adding Zstd Offload Support

The Intel QuickAssist "QAT" driver for the mainline Linux 7.1 kernel is adding support for Zstd offloading across QuickAssist Gen 4 / Gen 5 / Gen 6 accelerators for Zstandard compression as well as Zstandard decompression (limited there to the latest Gen 6 hardware)...

Phoronix

AMD ISP4 Driver On Track To Be Merged For Linux 7.2

It looks like with the Linux 7.2 kernel later in the year the AMD ISP4 driver will finally be merged to mainline. This driver is needed for the web camera on the HP ZBook Ultra G1a Strix Halo laptop and other future AMD Ryzen laptops...