Linux Kernel 4.4.21 LTS Is a Big Update with Over 200 Changes

Yes you heard right, Linux Kernel 4.4.21 has been release as the most advanced LTS (Long Term Support) kernel build, and is such a big one as according to the appended shortlog and the diff from the previous maintenance version, namely Linux kernel 4.4.20 LTS, it changes a total of 207 files, with 3033 insertions and 1811 deletions. So yes we can say that’s very big changes and update for all GNU/Linux Distribution powered by Linux 4.4 LTS Series.

The major part of the patch is occupied by updated drivers, in particular for GPU (mostly Intel i915 and Radeon), Bluetooth, CPUFreq, Crypto, HV, InfiniBand, IRQ Chip, LightNVM, MD, MMC, NVMe, Pulse Width Modulation (PWM), s390, SCSI, VHost, and networking, lots and lots of Ethernet networking drivers. There are also various improvements to the EXT4, OverlayFS, UBIFS, and XFS filesystems, an updated sound stack with Firewire enhancements, and updated networking stack with IPv4, IPv6, Netfilter, Reliable Datagram Sockets (RDS), and Transparent Inter-process Communication (TIPC) changes, as well as multiple core kernel fixes.

There are also many  improvements to the EXT4 File System, OverlayFS, UBIFS, and XFS file systems, an updated sound stack with Firewire enhancements, and updated networking stack with IPv4, IPv6, Netfilter, Reliable Datagram Sockets (RDS), and Transparent Inter-process Communication (TIPC) changes, Download the Linux kernel 4.4.21 LTS sources right now from kernel.org or via our website.