Coding
Linux 7.3 Btrfs fixes filesystem IDs and grub2 boot
A Btrfs change in Linux 7.2-rc1 made filesystem IDs unstable and broke OpenConnect key derivation. The fix touches 10 files.
Tagged: Open Source - Page 2
The latest Open Source coverage on Tech AI Wire.
Dev Stack
FEX-Emu breaks down the cost of x86 TSO on Arm
Emulating x86 memory rules on Arm drops unaligned throughput to 8.5% of baseline. Write-combine stores are reported 816 times worse.
Dev Stack
Wine 11.18 adds kernel-driver support, Staging fixes WoW64
Wine 11.18 landed on September 18 with 380 commits and 21 bug fixes. Wine-Staging carries 273 extra patches, two of them for WoW64 services.
Dev Stack
Ubuntu 26.10 will ship a pre-release Linux 7.3
Ubuntu 26.10 releases on October 15, three days before Linux 7.3 is due to be declared stable. The ISO ships a release candidate.
Dev Stack
Claude Code 2.1.277 reads AGENTS.md as a fallback
Claude Code 2.1.277 reads AGENTS.md when a project has no CLAUDE.md. Over 60,000 open-source projects already ship that file.
Dev Stack
Git 3.0 will default to SHA-256 and require Rust
Git 2.56-rc0 arrived on September 11, 2026, and the 3.0 release behind it switches new repositories to SHA-256, reftable and the main branch.
Dev Stack
Linux 7.4 kbuild patches cut kernel build times
A kbuild series aimed at Linux 7.4 cuts no-op builds by roughly 80% and trims 37.6 seconds off a full allmodconfig rebuild.
Coding
Jemalloc 5.4.0 ships 160 commits after Meta revival
The first jemalloc release since Meta renewed its investment carries over 160 commits, a new OS abstraction layer and per-CPU arena selection.
Coding
Rust warns maintainers about fake job video calls
Rust's security team says attackers are booking video calls with crate owners under fake job offers, then asking them to install a missing codec.
Coding
Mojo 1.1 starts taking outside compiler contributions
Mojo 1.1 takes outside compiler contributions a month after the Apache 2.0 release, and completes the removal of fn, alias and @parameter if.
Dev Stack
GNOME 51 ships reworked frame scheduling in Mutter
GNOME 51 arrived September 16 with smoother frame scheduling, FIDO2 passkey login, and one removal developers should note: legacy NVIDIA EGLStreams.
Dev Stack
Fedora 45 beta swaps the kernel console for kmscon
Fedora 45 moves the text console out of the kernel. Three tools stop working, and the beta landed September 15 with an automatic fallback to fbcon.
Dev Stack
Ubuntu 26.10 moves cp, mv and rm to Rust coreutils
Ubuntu 26.10 hands cp, mv and rm to Rust. A 113-issue audit held those three back from 26.04 LTS, and stable arrives October 15.
Dev Stack
SDL3 gains HarmonyOS support, headed for SDL 3.6.0
Ryan Gordon's port, sponsored by Outfit7 and squashed from 77 commits, merged upstream on September 15, 2026 with video, audio and touch working.
Coding
Swift 6.4 ships async defer and makes Swift Build default
Swift 6.4 lands async code in defer blocks, module selectors, and a 40x faster WebAssembly bridge, with Swift Build now the default in the package manager.
Dev Stack
Raspberry Pi OS adds an icon dock and app launcher
A swaybg option trims memory on boards under 2GB, and the labwc desktop gains an optional icon dock, a search-driven launcher and a Control Centre.
Coding
Rustls 0.23.45 fixes a TLS 1.3 flaw open since 2024
Versions 0.23.13 through 0.23.44 accepted TLS 1.3 handshake messages at the wrong encryption level, a bug introduced in September 2024.
Coding
Linux 7.2.6 leads a 9,000-patch stable kernel batch
Greg Kroah-Hartman released seven stable kernels at once, with more than 9,000 patches between them and over 1,800 in Linux 7.2.6 alone.
Coding
Linux plans to remove 247k lines of old ARM code
A kernel branch would delete about 247,000 lines by dropping deprecated 32-bit ARM platforms and the drivers only they used.
Dev Stack
JPEG XL critique says AVIF now beats it on compression
A new benchmark puts AVIF ahead of JPEG XL across the fidelity range, and clocks a 1,918-byte JPEG XL file at 17.43 seconds to decode.
Coding
ARCTIC dual-licenses its Linux fan driver for the BSDs
ARCTIC's arctic_fan_controller driver moves from GPLv2+ to GPLv2+ and BSD-2-Clause in Linux 7.4, so other systems can reuse the $8.99 device's code.
Dev Stack
Shotwell 33 finishes its GTK4 port after three years
Shotwell 33 is the GNOME photo manager's first major release since 0.32 in April 2023, and the GTK4 move restores drag-and-drop export on Wayland.
Coding
Linux 7.4 removes BFS, the UnixWare boot file system
A patch deleting 1,275 lines of BFS support is queued for Linux 7.4, one kernel cycle after EFS and FreeVxFS were dropped for the same reason.
Dev Stack
Homebrew 7.0.0 stops building bottles for Intel Macs
Homebrew 7.0.0 moves Intel Macs to Tier 3, so brew install now compiles from source there, and support ends in or after September 2027.
The daily brief
Three to five stories a day, and what each one means for the people who build software. Free, no spam.