OVMF release v2.4

- Ensure successful USB enumeration
- Enable UsbMassStorageDxe

OVMF release v2.3

- Explicitly reserve memory regions based on the input E820 map
- Revert "ovmf: reserve e820 table for PTCM"

OVMF release v2.2

- ovmf: reserve e820 table for PTCM
- GvtGopDxe: Adjust the offset of gop in pvinfo page

OVMF release v2.1

- Enable AcrnLapicTimerDxe
- Enable AcrnTscTimerLib
- Lapic Timer Driver
- Change LVT timer register structure of Lapic
- Add AcrnTscTimerLib

OVMF release v2.0

- Add Platform GOP Policy
- Add MemoryFence to AcrnEmuVariableFvbRuntimeDxe
- UefiCpuPkg/CpuExceptionHandlerLib: Fix split lock
- OvmfPkg/SataControllerDxe: Calculate ChannelCount based on PI value

OVMF release v1.6

- Enable fstack-protector-strong for OVMF x64 and gcc5

OVMF release v1.5

- Upgrade OpenSSL to 1.1.1d - cherry-picked the following commits from master:
  - 4d613feee5 - CryptoPkg/OpensslLib.inf: list OpenSSL local header
    "ms/uplink.h" (2019-12-02) <Laszlo Ersek>
  - b49a6c8f80 - CryptoPkg/OpensslLib: improve INF file consistency
    (2019-12-02) <Laszlo Ersek>
  - 1bcc65b9a1 - CryptoPkg: Upgrade OpenSSL to 1.1.1d (2019-11-05) <Shenglei
    Zhang>
  - 9f4fbd56d4 - CryptoPkg/OpensslLib: Update process_files.pl to generate .h
    files (2019-10-30) <Shenglei Zhang>
  - 8906f076de - CryptoPkg/OpensslLib: Add missing header files in INF file
    (2019-08-16) <Shenglei Zhang>
  - 51f7a3e6c5 - CryptoPkg/OpensslLib: Exclude err_all.c in process_files.pl
    (2019-06-25) <Xiaoyu Lu>
  - b86fbe1f98 - CryptoPkg/OpensslLib: disable autoload-config for OpenSSL
    (2019-06-21) <Xiaoyu Lu>
  - 20d2e5a125 - CryptoPkg/OpensslLib: fix build break caused by missing
    library (2019-06-06) <Wang, Jian J>
  - 0a1b13fd4d - CryptoPkg/OpensslLib: fix VS2017 build failure (2019-06-05)
    <Wang, Jian J>
  - 456dd8b99f - CryptoPkg: Upgrade OpenSSL to 1.1.1b (2019-06-03) <XiaoyuX
    Lu>
  - b739678918 - CryptoPkg/OpensslLib: Add functions for upgrading
    OpenSSL1_1_1b (2019-06-03) <XiaoyuX Lu>
  - 5db2fbff23 - CryptoPkg/OpensslLib: Prepare for upgrading OpenSSL
    (2019-06-03) <XiaoyuX Lu>
  - 7eee048894 - CryptoPkg/OpensslLib: Exclude unnecessary files in
    process_files.pl (2019-06-03) <Xiaoyu Lu>
  - 6fcc3d68eb - CryptoPkg/OpensslLib: Modify process_files.pl for upgrading
    OpenSSL (2019-06-03) <Xiaoyu Lu>
  - a18f784cfd - Upgrade OpenSSL to 1.1.0j (2018-12-21) <Jian J Wang>
- Security hardening for OVMF build

OVMF release v1.4

- Add back USB keyboard support

OVMF release v1.3

- GvtGopDxe: Fix crash if failed to get a valid mode
- GvtGopDxe: Enable GOP with parameters from vgt interface
- OvmfPkg/GvtGopDxe: Add GvtGopDxe skeleton driver
- Add back NVME support
- Update Readme.md

OVMF release v1.2

- Add support for VRING_USED_F_NO_NOTIFY in virtio devices
- Revert "Initialize EmuVariable NV storage memory with varstore from ROM"
- Add AcrnEmuVariableFvbRuntimeDxe to support NV storage
- Enable ahci driver.

Secure boot is supported from this release onwards.

OVMF release v1.1

- Cleanup unused and unsupported function of AcrnRtc
- Remove SMBIOS support
- Add ResetSystemLib for ACRN
- Disable BhyveFwCtlLib
- Disable COM2
- Avoid connecting all system drivers
- Speed up Ps2KeyboardDxe
- Created new Rtc driver and optimized RtcInit and RtcGetTime
- Initialize EmuVariable NV storage memory with varstore from ROM
- Switch to BasePciLibPciExpress
- Avoid exhaustive PCI bus scanning during PCI host bridge initialization
- Add support for ACRN platform initialization
- Add ACRN's Host Bridge Device ID

OVMF release v0.8

- Remove QemuFwCfg/QemuFwCfgS3Lib
- Use ACRN E820 map to query system memory size
- Support 64-bit PCI host aperture via ACRN E820
- Remove debug code in release build
- Take out unnecessary OVMF drivers
- Revert "Enable MP support"
- Use CPUID 0x40000010 to determine tsc frequency

OVMF release v0.7

- Change system timer from 8254 to HPET
- Fix UEFI console UI issue
- Enable MP support
- Install ACRN DM's ACPI tables
- Remove Bhyve ACPI tables
- fix backspace issue in UEFI shell
- clear CD bit in SEC
- Revert "workaround: disable CR0.CD"
- workaround: disable CR0.CD
- boots Clear Linux (1 vcpu)