Linux Kernel 5.19 was officially released in 2022

Linus Torvalds today announced the release and general availability of the Linux 5.19 kernel series as a major branch.

After more than two months in development, Linux kernel 5.19 is finally here

Support for ZSTD-compressed firmware files, introduced support for AMD's Secure Nested Paging feature.

New support for supervisor-mode page-based memory types and the ability to run 32-bit binaries on 64-bit systems for the RISC-V architecture.

Support for hibernation on SMP coprocessors, KCSAN, and Extensa architectures.

A new generic ticket spinlock type adds support for full spinlock implementation in various architectures such as RISC-V, OpenRISC, and C-SKY.

Linux 5.19 adds a new Intel "In-Field Scan" process to detect problems on Intel CPUs.

With Linux kernel 5.19 out the door, the merge window for the next kernel version, Linux kernel 5.20 is now open.

Linus Torvalds is planning to drop the 5.x series in favor of Linux 6.0.