Asahi Linux Ships Linux 7.3 Progress Report Promoting M3 Apple Silicon to General Availability

The Three-Question Framework

What Happened?

The Asahi Linux project published its Linux 7.3 progress report, announcing General Availability for M3 Apple Silicon machines, upstreaming two major device drivers, and submitting initial M4 and M5 Devicetrees.

Why It Matters

Asahi continues to bridge proprietary Apple hardware into mainline Linux, enabling developers to run open-source operating systems with native display controller sleep/wake cycles and hardware acceleration.

What Could Happen Next

Developers are tackling Apple's new 'Exclaves' architecture introduced in M5, where Secure Kernel micro-applications handle critical display indicators and require reverse-engineering Tightbeam IPC.

Executive Key Takeaways

Support for M3 series MacBooks is now fully general without requiring the installer's EXPERT flag, following seamless adoption and the enablement of Display Controller (DCP) sleep states.

Asahi submitted its 13,000-line Apple Video Decoder (AVD) driver and 3,100-line macaudio ALSA subsystem patchset directly to the upstream Linux kernel mailing list.

Initial barebones Devicetrees for M4 Pro, M4 Max, and next-generation M5 were submitted to the kernel list, successfully booting SoCs to a base TTY console.

Source: Asahi Linux engineering team 'Progress Report: Linux 7.3' published November 7, 2026.

The promotion of M3 to General Availability represents a major milestone for non-expert users. In addition to core processor and GPU stability, enabling the Display Controller (DCP) allows the system to support dynamic sleep and wake cycles, prolong battery endurance, and correctly map desktop window frames around the physical display notch.

Upstreaming velocity reached record speeds during the Linux 7.3 cycle. The 13,000-line AVD video decoding driver spent only three months in Asahi's downstream repository before being submitted upstream, marking the project's fastest turnaround for a major SoC subsystem. Concurrently, the 3,100-line macaudio patchset resolves intricate Apple amplifier configurations that necessitated fundamental updates to core ALSA architecture.

Kernel developer Yureka also submitted upstream-first drivers for Texas Instruments USB Power Delivery and SPMI controllers, alongside foundational Thunderbolt scaffolding. These contributions ensure that newer hardware revisions require fewer out-of-tree downstream patches.

The report outlines significant reverse-engineering hurdles for emerging M5 silicon, where Apple's Secure Kernel isolates critical system routines inside Exclaves communicating via the SPTM and Tightbeam protocols; failing to emulate these Exclaves causes the host XNU kernel to trigger fatal panics.

The Three-Question Framework

What Happened?

Why It Matters

What Could Happen Next

Executive Key Takeaways

Primary Sources & Citations