The Daily Brief — Tech Edition

Daily tech news, edited and dated.

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Tuesday, 22 September 2026

74 stories filed.

Gravity Linux Aims To Provide A Nice Experience For Apple M4 & Newer

Phoronix ·

There's a new Linux distribution focused on supporting Linux on Apple Silicon Macs. Gravity Linux is this new distribution that is a spin of Fedora Remix and is catering to the still-experimentally-supported Apple M4 Macs and newer. In addition to leveraging Asahi Linux code and reverse engineering, Gravity Linux also leverages OpenAI Codex and Claude Code...

Patches Posted For Enabling Apple Silicon Mac Speaker & Headset Jack Support On Linux

Phoronix ·

While the downstream Asahi Linux kernel has offered working speaker support and headset jack capabilities on Apple Silicon Macs, the mainline Linux kernel hasn't supported this functionality. But a set of 28 patches sent out today on the Linux kernel mailing list are working toward mainlining this important functionality for using Apple Macs on the upstream Linux desktop...

Grok 4.7

Hacker News ·

Article URL: https://x.ai/news/grok-4-7 Comments URL: https://news.ycombinator.com/item?id=49788838 Points: 379 # Comments: 321

Discussion: Hacker News thread →

AMD EPYC Server Performance Up ~8% Geo Mean For 2026 With Linux Kernel Improvements

Phoronix ·

With the in-development Linux 7.3 kernel showing some nice performance improvements over Linux 7.2 in different areas, Linux 7.2 also having brought some nice gains especially for I/O, and the preceding kernels also having seen some nice performance optimizations this year, I wanted to measure how far the Linux kernel performance has evolved so far in 2026. Today's article is looking at that…

Attention is all you have

Hacker News ·

Article URL: https://alicegg.tech/2026/09/21/attention Comments URL: https://news.ycombinator.com/item?id=49787726 Points: 407 # Comments: 121

Discussion: Hacker News thread →

What Sun got wrong

Hacker News ·

Article URL: https://bcantrill.dtrace.org/2026/09/20/what-sun-got-wrong/ Comments URL: https://news.ycombinator.com/item?id=49787436 Points: 401 # Comments: 221

Discussion: Hacker News thread →

M5 Ultra Mac Studio Review

Hacker News ·

Article URL: https://www.macstories.net/stories/m5-ultra-mac-studio-review-the-dream-mac-for-local-ai-agents/ Comments URL: https://news.ycombinator.com/item?id=49787313 Points: 197 # Comments: 182

Discussion: Hacker News thread →

Patches Posted With Aim To Mainline Linux Kernel Support For The Amazon Kindle 4

Phoronix ·

Amazon released the Kindle 4 back in 2011 with a 6-inch E-ink display, 2GB internal storage, and running a modified version of Linux. In the years since the Amazon Kindle 4 has been jail-broken and there are some customized Linux distributions with a patched kernel to run on the Kindle 4. Now in 2026 there are patches on the Linux kernel mailing list looking to mainline support for that fifteen…

Orphaned VMs: Running VMs Uninterrupted While Host Kernel Is Offline For Reboots/Updates

Phoronix ·

Here's some very intriguing work taking place by a Google engineer... With the hyperscalers and other cloud providers pushing for zero-downtime, a set of experimental patches for "Orphaned VMs" allow for the virtual machines to continue to run while the host kernel is offline for security updates or rebooting with the Live Update Orchestrator. The experimental patches and request for feedback…

AMD BC-250 Continues Being Improved Under Linux With Patches Now Enabling The PSP

Phoronix ·

The AMD BC-250 as the product designed at the time for cryptocurrency mining and based on a cut-down Sony PlayStation 5 APU continues having an interesting second-life being re-tasked for Linux use from general purpose workloads to AI. Sent out this weekend were the latest Linux kernel patches for continuing to enable more of the BC-250...

Linux's Perf Script Command Much Faster With Overhaul As Python Module

Phoronix ·

A big patch series sent out this weekend for the Linux kernel's perf subsystem removes the embedded Python and Perl scripting in favor of standalone Python scripts with a new Python perf module. This perf module for Python written in C is much faster than the status quo...

Linux 7.3-rc4 Released: More Fixes Caught By LLMs, But Nothing Too Scary

Phoronix ·

Linus Torvalds announced the release today of Linux 7.3-rc4. As usual for recent months, the fixes continue to be quite heavy and scattered all over the place driven in large part by AI/LLMs spotting various code defects. Overall though Linus Torvalds isn't too worried about Linux 7.3-rc4...

Important x86 Fixes Merged Ahead Of Linux 7.3-rc4

Phoronix ·

Ahead of the Linux 7.3-rc4 kernel release due out in the coming hours, an important batch of x86/x86_64 fixes have been merged to address a few outstanding issues...

Linux 7.3 Adds Support For Victrix Pro BFG & Azeron Controllers

Phoronix ·

Sent out this morning were a big batch of input subsystem fixes ahead of the Linux 7.3-rc4 kernel releasing later today. Alongside many bug fixes to different drivers is also expanding the range of supported gaming controllers by the XPad driver...

Help Linux Hardware Testing & Reviews Continue While Enjoying Phoronix Without Ads

Phoronix ·

If you missed out on the Phoronix Premium special back during the 22nd birthday of Phoronix.com in June, there is another promotion now active for helping to support the site and allow for continued daily original content and relentless Linux performance benchmarking and other open-sourced focused hardware testing...