# Linux 7.3 introduces I/O improvements and hardware support for Zen 6 and Apple M3

> **Key takeaway:** Linux 7.3 delivers significant I/O performance gains, early support for AMD Zen 6 and Apple M3 chips, and new gaming controller drivers.

**Published:** 2026-10-16T18:17:47+00:00 
**Source:** Phoronix Benchmarks & Drivers 
**Category:** kernel-os 
**Canonical URL:** https://fosswire.org/news/linux-73-introduces-io-improvements-and-hardware-support-for.html 

## 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.