Kernel prepatch 5.16-rc8

The eighth and final 5.16 kernel prepatch
is out for testing. “Please, as you emerge from your holiday-induced
food coma, do give it a quick test so that we can all be happy about the
final release next weekend”.

GNOME libadwaita 1.0 released

Version
1.0 of the GNOME libadwaita library is out; this will be of interest to
GNOME application developers. “Libadwaita is a library implementing
the GNOME HIG, complementing GTK. For GTK 3 this role has increasingly been
played by Libhandy, …

[$] Zero-copy network transmission with io_uring

When the goal is to push bits over the network as fast as the hardware can
go, any overhead hurts. The cost of copying data to be transmitted
from user space into the kernel can be especially painful; it adds latency,
takes
valuable CPU time, a…

The last stable kernels for 2021

The
5.15.12,
5.10.89,
5.4.169,
4.19.223,
4.14.260,
4.9.295, and
4.4.297
stable kernel updates have all been released. These should be the last
updates for this year; as usual, they all contain more important fixes and
updates.

Security updates for Wednesday

Security updates have been issued by Debian (firefox-esr, python-gnupg, resiprocate, and ruby-haml), Fedora (mod_auth_mellon), openSUSE (thunderbird), Slackware (wpa_supplicant), and SUSE (gegl).

[$] User-managed concurrency groups

The kernel’s thread model is relatively straightforward and performs
reasonably well, but that’s not enough for all users. Specifically, there
are use cases out there that benefit from a lightweight threading model
that gives user space control…

Security updates for Tuesday

Security updates have been issued by Debian (djvulibre, libzip, monit, novnc, okular, paramiko, postgis, rdflib, ruby2.3, and zziplib), openSUSE (chromium, kafka, and permissions), and SUSE (net-snmp and permissions).

Kernel prepatch 5.16-rc7

The 5.16-rc7 kernel prepatch is out for
testing. “Obviously the holidays are a big reason it’s all small, so
it’s not like this is a sign of us having found all bugs, and we’ll keep at
this for at least two more weeks”.

Darktable 3.8.0 released

Version
3.8.0 of the Darktable photo-processing application has been released.
Significant changes include a new keyboard shortcut system, a new
diffuse-or-sharpen module, a new “scene-referred” blurs module “to
synthesize motion and lens blurs …

Systemd 250 released

Systemd 250 has been released. To say that the list of new features is
long would be a severe understatement; the developers have clearly been
busy.

systemd-homed now makes use of UID mapped mounts for the home areas.
If the kerne…