Linux kernel 5.12 changelog.

Other new sources:

• LWN's merge window part 1], [https://lwn.net/Articles/847451/

• Phoronix Linux 5.12 Feature overview

Or take instead a look at the list of Pull Requests:

• networking updates

• ARM SoC platform removals

• ARM SoC updates

• ARM SoC defconfig updates

• ARM SoC devicetree updates

• ARM SoC driver updates

• EDAC updates

• RAS updates

• EFI updates

• x86 platform updates

• x86 paravirt updates

• x86 mm cleanups

• x86 misc updates

• x86 microcode cleanup

• x86 FPU updates

• x86 CPUID cleanup

• x86 resource control updates

• x86 build updates

• x86 asm updates

• tty/serial driver updates

• USB and Thunderbolt updates

• staging and IIO driver updates

• power management updates

• ACPI updates

• PNP updates

• sendfile updates

• ELF compat updates

• namei updates

• jfs updates

• btrfs updates

• f2fs updates

• erofs updates

• nfsd updates

• fsverity updates

• iomap updates

• xfs updates

• oprofile and dcookies removal

• libata updates

• core block updates

• block driver updates

• io_uring updates

• irq updates

• timer updates

• RCU updates

• locking updates

• tlb gather updates

• scheduler updates

• performance event updates

• xen updates

• arm64 updates

• m68k updates

• MIPS updates

• parisc updates

• Hyper-V updates

• KVM updates

• s390 updates

• UML updates

• MTD updates

• JFFS2/UBIFS and UBI updates

• media updates

• sound updates

• drm updates

• tomoyo updates

• selinux updates

• audit updates

• IMA updates

• smack updates

• seccomp updates

• tpm updates

• crypto update

• x86 platform driver updates

• hwmon updates

• i2c updates

• MMC updates

• watchdog updates

• regmap update

• regulator updates

• spi updates

• auxdisplay updates

• backlight updates

• MFD updates

• chrome platform updates

• thermal updates

• clk updates

• power supply and reset updates

• i3c update

• RTC updates

• gpio updates

• devicetree updates

• device mapper updates

• SCSI updates

• rdma updates

• iommu updates

• block IPI updates

• documentation updates

• Kselftest updates

• KUnit updates

• printk updates

• livepatching updates

• kgdb updates

• memblock update

• d_name whack-a-mole

• RCU-safe common_lsm_audit()

• zonefs updates

• exfat updates

• lazytime updates

• fsnotify update

• isofs, udf, and quota updates

• ceph updates

• more nfsd updates

• perf tool updates

• tracing updates

• ARM updates

• powerpc updates

• cgroup updates

• qorkqueue updates

• user namespace update

• kcmp kconfig update

• follow_pfn() updates

• IPMI update

• pin control updates

• clang LTO updates

• objtool updates

• microblaze updates

• module updates

• percpu updates

• idmapped mounts

• gfs2 updates

• HID updates

• input updates

• more power management updates

• more ACPI updates

• dmaengine updates

• sparc updates

• more clang LTO updates

• keyring updates

• arch/nios2 updates

• libnvdimm and device-dax updates

• initial support for CXL (Compute Express Link)

• mailbox updates

• dma-mapping updates

• driver core / debugfs update

• char/misc driver updates

• Simple Firmware Interface (SFI) support removal

• https://git.kernel.org/torvalds/c/719bbd4a509f403f537adcaefd8ce17532be2e84

• hwspinlock updates

• rpmsg updates

• remoteproc updates

• misc memory management updates from Andrew Morton

• x86 irq entry updates

• nds32 updates

• PCI updates

• ext4 updates

• Kbuild updates

• more ACPI updates

• more drm updates

• more MIPS updates

• virtio updates

• pwm updates

• NFS Client Updates

• more memory management updates from Andrew Morton

• more KVM updates

• more xen updates

• RISC-V updates

• pcmcia update

• LED updates

• swiotlb updates

• more io_uring updates

• cifs updates

• more s390 updates

• OpenRISC updates

• misc vfs updates

• io_uring thread rewrite

• more block updates

• more xfs updates

• more SCSI updates

• more RISC-V updates

• arch/csky updates