• More Rust in the kernel
• Initial Support for Intel Meteor Lake Display
• Intel Meteor Lake VPUs ("Versatile Processing Unit") support
• AMD Automatic IBRS
• Intel TPMI driver was merged, hopes are this will give more control over power management.
• Big Performance Improvement for EXT4. Nice Improvements for BTRFS too
• IPv4 BIG TCP support, maybe better network performance
• Microsoft Hyper-V nested hypervisor support.
• Faster kernel builds and with lower peak memory use.
• Removed support for the Intel ICC compiler.

• Intel Arc drivers are now deemed "stable" and on by default.
• Initial FOSS support for NVIDIA GeForce 30 Series. But performance is poor for now.
• Support for Apple's M1
• Call Depth Tracking as a better performance alternative to IBRS for older Intel CPUs
• Some Power-savings improvements when the system is idle or lightly loaded.
• Support for running Raspberry Pi in 4K@60Hz
• Better performance and scalability for running RAID5/6 in btrfs-like systems
• Even more Rust in the kernel

August 2033^[11]

• Support for writing kernel modules in Rust^[12]
• Multi-Gen LRU page reclaiming^[13] (not yet enabled by default)
• Btrfs performance improvements^[14]
• Support for more sound hardware
• Improved support for game controllers^[15]

4th SLTS release (which CIP^[17] is planning^[11] to support until August 2033)

6.1.28 is named Curry Ramen^[18]

• Performance improvements on Intel Xeon 'Ice Lake', AMD Ryzen 'Threadripper', AMD EPYC^[21]
• New hardware support including Intel, AMD, Qualcomm^[22]

• Initial support for LoongArch^[26][27]
• Support for Big TCP^[26][27]
• More secure encrypted virtualization with AMD SEV-SNP and Intel TDX^[26][27]
• Armv9 Scalable Matrix Extension support^[27]
• Introduce Intel In-Field Scan driver to run targeted low level diagnostics outside of the CPU's architectural error detection capabilities^[26]
• a.out support removed^[28]

• Support for Indirect Branch Tracking^[31] on Intel CPUs^[32]
• User events^[33]
• fprobe, for probing multiple functions with a single probe handler^[34]
• Headers rearchitecturing preparations for faster compilation times^[35]
• Stricter memcpy() compile-time bounds checking^[36]
• Switch to C11^[37]

• BPF CO-RE support^[40][41]
• Random number generator improvements^[42]
• New Real-Time Linux Analysis (RTLA) tool^[43]
• Support giving names to anonymous memory^[44]
• Mitigate straight-line speculation attacks^[45]

Named Superb Owl^[47]

• New futex_waitv() system call for faster game performance^[50]
• Memory folios infrastructure for a faster memory management^[51]
• Add support for AMX instructions^[52]
• Improve write congestion^[53]

• New NTFS file system implementation
• ksmbd, an in-kernel SMB 3 server
• Migrate memory pages to persistent memory in lieu of discard^[55]
• DAMON, a data access monitor
• Introduce process_mrelease(2) system call^[56]

• Ubuntu 22.04 LTS,
• Slackware 15,^[57]
• UEK 7^[58]

Named Trick or Treat^[59]

January 2031^[11]

3rd SLTS release (which CIP^[75] is planning^[11] to support until January 2031)

Named "Dare mighty things"^[76]

5.4-rc5 is named Kleptomaniac Octopus^[89]

5.2 is named Bobtail Squid^[96]

• io_uring API, a new way to do asynchronous I/O (AIO),^[99] the older API/interface "aio" had problems and performance issues.

January 2029^[11]

4.14.1 is named Petit Gorille^[121]

4.10-rc6 was named Fearless Coyote^[131]

4.4.302-cip80^[150]

Nobuhiro Iwamatsu & Pavel Machek^[11]