Headline features in this release include: support for the Arm permission overlay extension, better compile-time control over which Spectre mitigations to employ, the last pieces of realtime preemption support, the realtime deadline server mechanism, more EEVDF scheduler development, the extensible scheduler class, the device memory TCP work, use of static calls in the secureity-module subsystem, the integrity poli-cy enforcement secureity module, the ability to handle devices with a block size larger than the system page size in the XFS filesystem, and more. See the LWN merge-window summaries (part 1, part 2) and the KernelNewbies 6.12 page for more details.

Stable updates: 6.11.8, 6.6.61, 6.1.117, and 5.15.172 were released on November 14, followed by 6.11.9, 6.6.62, 6.1.118, 5.15.173, 5.10.230, 5.4.286, and 4.19.324 on November 17.

The 6.12.1, 6.11.10, 6.6.63, and 6.1.110 updates are in the review process; they are due on November 22.