Linux 7.3 kernel released with enhanced I/O performance and AMD Zen 6 support

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The Linux 7.3 kernel was launched on October 19, 2026, featuring enhanced I/O performance and full support for AMD Zen 6. This on-chain news update includes Steam Controller 2026 driver support, improved VRAM management, and fixes for Samsung SSDs. A BTC update is also anticipated as the crypto community tracks hardware advancements for improved mining efficiency. Developers resolved rare SMP boot issues and optimized support for older AMD GPUs.
CoinMarketCap reports:

IT Home, October 19: The Linux 7.3 kernel has been officially released today, offering improved I/O performance, enhanced support for AMD Zen 6 architecture, and additional features.

The new version also brings support for the Steam Controller 2026 kernel driver, optimizations for older AMD GPUs, and improved VRAM management for systems with limited video memory.

Over the past week, Linux developers performed multiple vulnerability fixes, including ongoing issues related to AI/LLM. Fixes merged last week include a solution for certain rare SMP boot failures occurring before 2024, as well as a workaround for Samsung 990 PRO and 990 EVO Plus SSDs under specific firmware versions.

IT之家 provides the Linux 7.3 download link:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/

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