edk2-stable202105

Release Date 2021-05-28

New Features

• OVMF RFE: VCPU hot-unplug with SMI
• Add non-MMRAM memory protection for Standalone MM environment
• OpenSSL Update OpenSSL version to version 1.1.1j to include CVE fix
• Add a new library class RegisterFilterLib
• Add a new MicrocodeLib for microcode loading
• EDKII Redfish Config Handler Protocol
• Implementation of UEFI spec 31.1 Redfish Discover Protocol
• Add RedfishLib (from libredfish)
• Add the ArmPlatformPkg to the azurepipeline
• Add the ArmPkg to the azurepipeline
• Support Tcg2Smm under Standalone MM environment
• UefiCpuPkg/SmmCpuFeaturesLib: Add Standalone MM support
• Add support for AARCH64 to RngDxe and BaseRngLib
• Add support for RSASSA-PSS signature scheme in Crypto package

Bugzilla List

Update Notes

• MdeModulePkg VariableSmmRuntimeDxe.inf depends on library class MmUnblockMemoryLib. Platforms supporting variable service through SMM should configure platform DSC in [LibraryClasses]
  MmUnblockMemoryLib|MdePkg/Library/MmUnblockMemoryLib/MmUnblockMemoryLibNull.inf
• SecurityPkg Tcg2Smm is split into 2 drivers: Tcg2Smm and Tcg2Acpi. Platforms supporting TCG2 Physical Presence and Memory Clear through ACPI method should add a new entry in [Components] section of platform DSC as well as the corresponding FV section in platform FDF
  SecurityPkg/Tcg/Tcg2Acpi/Tcg2Acpi.inf
• Platform DSC needs to include MdePkg/MdeLibs.dsc.inc for the required library instance.