Immediately after announcing the release of the long-term supported Linux 4.4.11 kernel, Greg Kroah-Hartman published details about the fifth maintenance build of the Linux 4.5 kernel series.

Linux kernel 4.5.5 is here, one week after the release of Linux kernel 4.5.4, which was just about to be adopted by some of the rolling GNU/Linux operating systems using a kernel from the 4.5 branch, including the popular Arch Linux and openSUSE Tumbleweed. So, now that Linux kernel 4.5.5 is out, they can skip it and push this new maintenance release to the stable channels for users to upgrade as soon as possible.

“I’m announcing the release of the 4.5.5 kernel. All users of the 4.5 kernel series must upgrade,” said Greg Kroah-Hartman. “The updated 4.5.y git tree can be found at: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.5.y and can be browsed at the normal kernel.org git web browser: http://git.kernel.org/?p=linux/kernel/git/stable/linux-stable.git;a=summary.”

Here’s what has been updated in Linux kernel 4.5.5

Linux kernel 4.5.5 is all about improvements to the Btrfs file system, which is still under heavy development even to this day, along with multiple bug fixes for the OCFS2 general-purpose shared-disk cluster file system, and a small patch for the ISOFS filesystem fixing a minor glitch. Another strong point of the Linux kernel 4.5.5 release is the multitude of networking changes, in particular for things like packet scheduler, Open vSwitch, Netfilter, IPv4, IPv6, Bridge, DECnet, X.25, and VMCI Sockets.

Last but not least, the fifth maintenance release of Linux kernel 4.5 updates GPU (mostly Intel i915, Radeon, and AMDGPU graphics drivers), crypto, InfiniBand, PINCTRL (PIN CONTROL), SCSI, SPI, Video4Linux (V4L2), and networking (mostly Ethernet) drivers. You can download the Linux kernel 4.5.5 sources right now via our website or from kernel.org, but it is recommended to update to this latest version directly from the main software repositories of your GNU/Linux operating system.

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