Release highlights of Linux kernel 4.6 RC1 include a new file system called OrangeFS, miscellaneous driver updates, in particular for things like networking, staging drivers, USB, sound, DRM, media, and RDMA, architecture updates, especially for the ARM and ARM64 (AArch64) ones, but also for x86, PowerPC (PPC), s390, Xtensa, and m68k. Moreover, filesystems like F2FS, Ceph, XFS, EXT4, OCFS2, VFS, and Btrfs also received some attention in the first Linux kernel 4.6 RC build, along with networking stack improvements