Linus Torvalds has released Release Candidate 1 of the Linux 4.1 kernel, just 2 weeks after Linux 4.0 Kernel was released.
The Linux 4.1 kernel adds many new features, optimizations & improvements.
- Radeon DisplayPort MST support.
- Virtual GEM graphics driver (vGEM).
- Intel XenGT vGPU support for Intel graphics virtualization on Linux.
- The Nouveau DRM driver supports generating its own firmware for the GeForce GTX 750 series.
- TraceFS added to the Linux kernel.
- Multi-queue block layer improvements.
- RAID 5/6 improvements for MD Software RAID.
- EXT4 now supports file-system level encryption.
- F2FS enhancements.
- Btrfs improvements for massive file-systems.
- XFS updates.
- Disk drives can now make use of NCQ Autosense (if it’s supported by the hardware).
- Toshiba and Dell x86 laptop support improvements.
- Chrome OS Lightbar support.
- Google Chromebook Pixel 2 support improvements.
- Force feedback/rumble for Xbox One controllers.
- Wacom HID support.
- More eBPF improvements.
- Linux audio modernization work.
- Better performance for Cherry Trail / Bay Trail Intel hardware.
- ASM/x86 code cleaning.
- x86 and ARM power management improvements.
- ARM support improvements (including mainline support for the Annapurna Alpine).
- ACPI for 64-bit ARM (ARM64/AArch64).
- Better entropy for AMD Bulldozer CPUs.
- Intel Skylake support (successor to Broadwell CPUs, which will ship this year).
- eBPF programs can attach to Kprobes as the latest for this universal, in-kernel virtual machine.
- New PMEM driver.
- Code clean-ups (thanks to the Outreachy women/GNOME OPW-project.
You can read the official announcement of Linux Torvalds here.