Linux 7.3 introduces I/O improvements and hardware support for Zen 6 and Apple M3
Linux 7.3 delivers significant I/O performance gains, early support for AMD Zen 6 and Apple M3 chips, and new gaming controller drivers.
Summary
The Linux 7.3 kernel, scheduled for release on October 18, features substantial I/O performance improvements affecting databases and synthetic benchmarks. It also includes early bring-up for Apple M3 Pro/Max/Ultra chips and preparation for AMD Zen 6 platforms. Additionally, Valve has contributed driver support for the 2026 Steam Controller, MSI Claw gamepad, and improved graphics handling for older AMD GCN GPUs.
Key technical updates in Linux 7.3
- I/O Performance: Improvements noted in both synthetic benchmarks and heavy I/O workloads like databases.
- AMD Zen 6: Identification of new low-power CPU core types and updates to the AMD HSMP driver.
- Apple Silicon: Initial bring-up support for M3 Pro, Max, and Ultra models.
- Graphics: DRM format modifier support and improved GPU reset recovery for older AMD GCN GPUs; improved vRAM management for low-memory systems.
- Gaming Hardware: Initial kernel driver support for the 2026 Steam Controller and MSI Claw gamepad.
Why it matters
The release strengthens Linux support for upcoming high-end consumer hardware from AMD and Apple while improving the gaming experience on older hardware via Valve's contributions.
Original reference: www.phoronix.com →