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Linux Kernel 7.3 Officially Released, This Is What’s New

Written By
MN
Marcus Nestor
Oct 29, 2026

Highlights of Linux 7.3 include a new sandboxing mechanism based on a pseudo-file system, Rust support for PowerPC systems, userfaultfd support for tracking the working set of virtual machine guest memory, SMB server support for Apple Time Machine, and full support for cgroup sub-schedulers.
MN

Marcus Nestor

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