21CTO

Oct 19, 2026 · Fundamentals

Linux 7.3 Released: Zen 6 Ready, Memory Latency Slashed, Low-VRAM Gaming Improved

Linux 7.3 introduces AMD Zen 6 processor support, dynamic per-core energy performance preferences, rewritten GPU reset for older Radeons, system memory fallback for low-VRAM gaming, and fixes reducing KSM and zsmalloc lock latency from 705ms to 2ms, plus RISC-V extensions, Apple M3 boot support, and new hardware drivers.