The changes are big, and they include numerous improvements to the ARM64 (AArch64), ARM, ARC, MIPS, s390, x86, and PowerPC (PPC), as well as multiple updated drivers, in particular for AMDGPU, ACPI, BCMA, Bluetooth, GPIO, CLK, CPUFreq, EDAC, Intel i915, Nouveau, Radeon, Rockchip, I2C, InfiniBand, IOMMU, MD, MFD, iwlwifi, PHY, PINCTRL, SCSI, SPI, TTY, USB, and Virtio. Additionally, Linux kernel 4.7.2 comes with improved filesystem support, which includes changes for Btrfs, CIFS, JBD2, NFS, OverlayFS, and XFS. Lastly, some core kernel, mm, core networking, and sound stack enhancements are also present.