Linux 5.9 has not been released. While this changelog is completed, you can read about this release here:
Phoronix Linux 5.9 feature overview
or take a look at these pull requests:
1. DMA engines
Actions: Add support for S700 DMA engine commit
2. Hardware Random Number Generator (hwrng)
ba431: add support for BA431 hwrng commit
3. Cryptography hardware acceleration
ingenic: Add hardware RNG for Ingenic JZ4780 and X1000 commit
4. PCI
Add Intel QuickAssist device IDs commit
Allow P2PDMA on AMD Zen and newer CPUs commit
cadence: Add MSI-X support to Endpoint driver commit
j721e: Add TI J721E PCIe driver commit
qcom: Add ipq8064 rev2 variant commit
xilinx-cpm: Add Versal CPM Root Port driver commit
5. Clock
Add support for enabling/disabling clocks from debugfs commit
Ingenic: Add RTC related clocks for Ingenic SoCs commit
actions: Add RMU and DMAC/GPIO clock support for Actions Semi S500 SoCs commit, commit, commit, commit, commit, commit
at91: add sama7g5 clock support commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit
bcm63xx-gate: add BCM6318 support commit
bcm: Add BCM2711 DVP driver commit
meson: g12a: Add support for NNA CLK source clocks commit
qcom: Enable GPU for SM8150 and SM8250 commit, commit, commit, commit, commit, commit, commit, commit, commit, commit, commit
qcom: Clock for CPU scaling support for msm8996 commit, commit, commit
qcom: Add ipq6018 apss clock controller commit
qcom: lpass: Add support for LPASS clock controller for SC7180 commit
qcom: Add SMD RPM support for MSM8936 commit, commit, commit, commit, commit, commit, commit
qcom: smd: Add support for MSM8992/4 rpm clocks commit
qcom: smd: Add support for SDM660 rpm clocks commit
renesas: cpg-mssr: Add r8a774e1 support commit
sparx5: Add Sparx5 SoC DPLL clock driver commit
vc5: Allow Versaclock driver to support multiple instances commit
vc5: Enable addition output configurations of the Versaclock commit
clocksource: Add Low Power STM32 timers driver commit
clocksource: Add CLINT timer driver commit
clocksource: timer-atmel-tcb: Add sama5d2 support commit
clocksource: ingenic: Add support for the Ingenic X1000 OST commit
6. PHY ("physical layer" framework)
bcm63xx-usbh: Add BCM63xx USBH driver commit
qcom-qmp: Add USB QMP PHY support for IPQ8074 commit
qcom: remove ufs qmp phy driver commit
qualcomm: add qcom ipq806x dwc usb phy driver commit
samsung-ufs: add UFS PHY driver for samsung SoC commit
zynqmp: Add PHY driver for the Xilinx ZynqMP Gigabit Transceiver commit
7. Memory Controller Drivers
Add Renesas RPC-IF driver commit
mtk-smi: Add basic support for MT6779 commit
samsung: exynos5422-dmc: Add module param to control IRQ mode commit
stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver commit
tegra: Add EMC scaling sequence code for Tegra210 commit
tegra: Add EMC scaling support code for Tegra210 commit
8. Firmware Drivers
arm_scmi: SCMI Notifications Core Support commit, commit, commit, commit, commit, commit, commit, commit, commit
Extend svc and rsu drivers for new RSU features commit, commit, commit, commit
smccc: Add ARCH_SOC_ID support commit
tegra: Add support for in-band debug commit
turris-mox-rwtm: support ECDSA signatures via debugfs commit
9. Remote Processors
Add coredump debugfs entry commit
k3-dsp: Add a remoteproc driver of K3 C66x DSPs commit
k3-dsp: Add support for C71x DSPs commit
k3-dsp: Add support for L2RAM loading on C66x DSPs commit
k3: Add TI-SCI processor control helper functions commit
10. Various
bus: fsl-mc: Add ACPI support for fsl-mc commit
counter: Add microchip TCB capture counter commit
fpga: Add interrupt support to FPGA DFL drivers commit, commit, commit, commit, commit, commit, commit
fpga: dfl: pci: add device id for Intel FPGA PAC N3000 commit
iommu: NVIDIA ARM SMMU Implementation commit, commit, commit, commit, commit
iommu/mediatek: Add mt6779 basic support commit
iommu/renesas: Add support for r8a77961 commit
irqchip/imx-intmux: Implement intmux runtime power management commit
misc: mei: add device kind to sysfs commit
misc: rtsx: Add support new chip rts5228 mmc: rtsx: Add support MMC_CAP2_NO_MMC commit
nvmem: enables blowing of fuses on Qualcomm SoCs commit, commit, commit, commit
nvmem: sc27xx: add sc2730 efuse support commit
ocxl: control via sysfs whether the FPGA is reloaded on a link reset commit
vdpasim: support batch updating commit
11. List of Pull Requests