Changelog.md

OpenCore Changelog

v0.6.1

• Improved recognition of early pressed hotkeys, thx @varahash
• Made DMG loading support configurable via DmgLoading
• Added iMac20,1 and iMac20,2 model codes
• Fixed display name for older Xeon CPUs like Xeon E5450
• Added Comet Lake-LP HDA device code
• Fixed OS boot selection on SATA controllers with legacy OPROMs
• Fixed RSDP ACPI table checksum recalculation
• Added immutablekernel loading support for 10.13+
• Fixed solving some symbols to zero in 11.0 kext inject
• Reduced OpenCanopy size by restricting boot management access
• Added BuiltinText variant for TextRenderer for older laptops
• Fixed SyncRuntimePermissions creating invalid MAT table
• Added EFI FAT image loading support (macOS 10.8 and earlier)
• Added 64-bit cacheless kext injection and patching support (macOS 10.9 and earlier)
• Added 64-bit mkext kext injection and patching support (macOS 10.6 and earlier)
• Fixed XNU hook matching non-kernel files
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed patching of ACPI tables in low memory
• Fixed macOS 11.0 DMG recovery loading without hotplug
• Fixed XhciPortLimit quirk on 10.12.6 and possibly other versions
• Fixed IncreasePciBarSize quirk on 10.11.5 and possibly other versions
• Fixed LapicKernelPanic quirk on 10.8.5 and possibly other versions
• Fixed hard-lock caused by EHCI SMI in OpenDuetPkg
• Added preview UEFI Secure Boot compatibility
• Added FuzzyMatch option to support fuzzy kernelcache matching on 10.6 and earlier
• Added KernelArch option to specify architecture preference on older kernels
• Added KernelCache option to specify kernel caching preference for older kernels
• Added Force section to provide support for injecting drivers in older macOS
• Changed kernel driver injection to happen prior to kernel driver patching
• Added Arch filtering option to Add, Block, Force, and Patch sections

v0.6.0

• Fixed sound corruption with AudioDxe
• Fixed icon choice for Apple FW update in OpenCanopy
• Fixed APFS driver loading on Fusion Drive
• Added Comet Lake HDA device code
• Fixed audio stream position reporting on non-Intel platforms
• Added Firmware mode to ResetSystem to reboot into preferences
• Replaced BlacklistAppleUpdate with run-efi-updater NVRAM variable
• Fixed reset value and detection in FadtEnableReset ACPI quirk
• Fixed freezes during boot option expansion with PXE boot entries
• Updated underlying EDK II package to edk2-stable202005
• Added ProvideMaxSlide quirk to improve laptop stability, thx @zhen-zen
• Fixed slide choice on platforms when 0 slide is unavailable, thx @zhen-zen
• Fixed assertions caused by unaligned file path access in DEBUG builds
• Renamed ConfigValidity utility to ocvalidate for consistency
• Added GlobalConnect for APFS loading to workaround older firmware issues
• Added 11.0 support for AvoidRuntimeDefrag Booter quirk
• Fixed 11.0 lapic kernel quirk as of DP1
• Improved boot selection scripts for macOS without NVRAM
• Added UGA protocol compatibility in ProvideConsoleGop quirk
• Added UgaPassThrough option to support UGA protocol over GOP
• Added AppleFramebufferInfo protocol implementation and override
• Fixed serial initialisation when file logging is disabled
• Fixed FSBFrequency reporting on Meron and similar CPUs
• Fixed incorrect volume icon dimension requirements in OpenCanopy
• Added preview version of KernelCollection injection code
• Fixed ACPI reset register detection in DxeIpl
• Added MacBookPro16,4 model code
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed OSXSAVE reporting when emulating CPUID on newer CPUs
• Added SerialInit option to perform serial initialisation separately
• Fixed OpenDuetPkg booting on Intel G33 with SATA controller in RAID mode
• PlatformInfo Automatic for all models
• Fixed 32-bit OpenDuetPkg booting on machines with over 4 GBs of RAM
• Fixed delays with OpenDuetPkg booting with certain SATA controllers in IDE mode
• Fixed display name for some high core count i9 CPUs like 7920X
• Fixed SSDT-EC-USBX

v0.5.9

• Added full HiDPI support in OpenCanopy
• Improved OpenCanopy font rendering by using CoreText
• Fixed light and custom background font rendering
• Added Boot#### options support in boot entry listing
• Removed HideSelf by pattern recognising BOOTx64.efi
• Added BlacklistAppleUpdate to avoid Apple FW updates
• Fixed accidental tool and NVRAM reset booting by default
• Fixed unrecognised select com.apple.recovery.boot entries
• Changed NVRAM reset not to erase BootProtect boot options
• Improved boot performance when picker UI is disabled
• Enforced the use of builtin picker when external fails
• Fixed warnings for empty NVRAM variables (e.g. rtc-blacklist)
• Added ApplePanic to store panic logs on ESP root
• Fixed ReconnectOnResChange reconnecting even without res change
• Fixed OpenCanopy showing internal icons for external drives
• Fixed OpenCanopy launching Shell with text over it
• Added partial hotkey support to OpenCanopy (e.g. Ctrl+Enter)
• Added builtin text renderer compatibility with Shell page mode
• Fixed FadtEnableReset with too small FACP tables and some laptops
• Fixed CPU detection crash with QEMU 5.0 and KVM accelerator
• Removed RequestBootVarFallback due to numerous bugs
• Added DeduplicateBootOrder UEFI quirk
• Removed DirectGopCacheMode due to being ineffective
• Fixed assertions on log exhaustion causing boot failures
• Fixed builtin text renderer failing to provide ConsoleControl
• Fixed compatibility with blit-only GOP (e.g. OVMF Bochs)
• Fixed ignoring # in DeviceProperty and NVRAM Delete
• Renamed Block to Delete in ACPI,DeviceProperties, and NVRAM
• Added MacBookPro16,2 and MacBookPro16,3 model codes
• Added PCI device scanning policy support (e.g. VIRTIO)
• Improved playback performance in AudioDxe
• Updated builtin firmware versions for SMBIOS and the rest
• Added improved CPU type detection for newer CPU types
• Added ConfigValidity utility and improved config validation
• Added serial port initialisation for serial debug logging
• Disabled empty debug log file creation to avoid ESP cluttering
• Added TscSyncTimeout quirk to workaround debug kernel assertions
• Added first-class Windows support to bless model
• Fixed LapicKernelPanic kernel quirk on 10.9
• Added prebuilt version of CrScreenshotDxe driver
• Fixed Hyper-V frequency detection compatibility
• Added SysReport option for DEBUG builds to dump system info
• Fixed crashes on some AMD firmwares when performing keyboard input

v0.5.8

• Fixed invalid CPU object reference in SSDT-PLUG
• Fixed incorrect utilities and resources packaging
• Fixed Custom UpdateSMBIOSMode modifying SMBIOSv3 table
• Updated docs to cover separating SMBIOS via UpdateSMBIOSMode
• Fixed rendering macOS installer icons in OpenCanopy
• Added APFS support with Fusion Drive and enhanced security
• Added AppleEvent mouse support in OpenCanopy
• Fixed AppleEvent and OpenCanopy compatibility with OVMF TPL restrictions
• Added mouse drivers to the package as OVMF needs one
• Added memory region reservation support
• Added RtcRw tool to manipulate RTC memory
• Added PatchAppleRtcChecksum kernel quirk
• Added AppleRtcRam protocol implementation
• Renamed Protocols to ProtocolOverrides for clarity
• Added ResetSystem tool to allow shutdown/reset actions in the menu
• Added experimental BootProtect Security option
• Fixed kext injection in 10.8 installer
• Added timeout support to OpenCanopy user interface
• Fixed handling 24-bit screen resolutions
• Added Ps2KeyboardDxe driver for DuetPkg
• Updated BootInstall DuetPkg version (now opensource)
• Added partial HiDPI support in OpenCanopy
• Update builtin firmware
• Fixed invalid checksum checks when creating vault (thx @dakanji)

v0.5.7

• Added TimeMachine detection to picker
• Added early preview version of OpenCanopy
• Fixed FS discovery on NVMe with legacy drivers
• Added DirectGopCacheMode option for FB cache policy
• Added KeyFiltering option to workaround buggy KB drivers
• Added tool and custom entry separation in audio assistant
• Added OpenControl tool to configure full NVRAM access from Shell
• Added boot.efi debug protocol support for 10.15.4+
• Added boot.efi performance logging for 10.15.4+
• Added ProtectUefiServices quirk to fix DevirtualiseMmio on Z390
• Replaced BOOTCAMP Windows with Windows to match the original
• Added bundled OpenShell originally available as OpenCoreShell
• Rework readlabel utility into disklabel with encoding support
• Renamed FwRuntimeServices driver to OpenRuntime
• Renamed AppleUsbKbDxe driver to OpenUsbKbDxe
• Update builtin firmware
• Fixed PowerTimeoutKernelPanic on 10.15.4
• Fixed 4K section alignment in OpenRuntime to fix Linux booting on SKL
• Introduced SyncRuntimePermissions to fix multiple memory permission flaws
• Introduced RebuildAppleMemoryMap to fix macOS booting on Dell 5490
• Removed ShrinkMemoryMap in favour of more advanced RebuildAppleMemoryMap
• Marked EnableWriteUnprotector as deprecated on modern systems
• Introduced ProtectMemoryRegions to fix memory region handling
• Removed ProtectCsmRegion in favour of ProtectMemoryRegions
• Renamed PickerAttributes to ConsoleAttributes
• Introduced PickerAttributes as a matter of UI configuration

v0.5.6

• Various improvements to builtin text renderer
• Fixed locating DMG recovery in APTIO IV firmwares on FAT32
• Fixed loading DMG recovery in APTIO IV firmwares on FAT32
• Removed AvoidHighAlloc quirk due to removed I/O over 4GB
• Moved ConsoleMode, Resolution options to Output section
• Moved console-related UEFI quirks to Output section
• Replaced ConsoleControl and BuiltinTextRenderer with TextRenderer
• Removed ConsoleBehaviourOs and ConsoleBehaviourUi
• Fixed providing ConsoleOutHandle GOP when running from Shell
• Added PickerAttributes option to colour picker
• Added ProtectSecureBoot option through FwRuntimeServices
• Replaced RequireVault and RequireSignature with Vault
• Added BootKicker tool to support launching Apple BootPicker
• Added BootPicker support as an external UI in OC through PickerMode
• Added DirectGopRendering option to use direct GOP output
• Multiple memory corruption and performance fixes for PNG support
• Fixed DefaultBackgroundColor variable handling
• Added HideAuxiliary and Auxiliary options
• Fixed picker timeout and log timestamps for VMware
• Fixed NULL parent DeviceHandle for launched tools
• Added bundled HiiDatabase driver for very old firmwares
• Added SSE2 support in memory intrinsics for better performance
• Improved ACPI PM timer CPU frequency calculation performance
• Improved LapicKernelPanic compatibility with newer macOS versions
• Fixed drivers starting with # not being skipped
• Added audio support through AudioDxe with optional boot chime
• Added VoiceOver accessability support in boot.efi for 10.13+
• Added PickerAudioAssist option for audio assistance in picker
• Added HdaCodecDump.efi tool in default package
• Added legacy AudioDxe and Microsoft namespaces to Reset NVRAM
• Merged OcSupportPkg with OpenCorePkg for easier bisection
• Disabled warnings in release versions of NVMe and XHCI drivers

v0.5.5

• Fixed CPU bus ratio calculation for Nehalem and Westmere
• Fixed CPU package calculation on MacPro5,1 and similar
• Improved OpenCore rerun detection for new versions
• Fixed loading picker on boot failure when it is hidden
• Added PMC ACPI sample for 300-series chipsets
• Improved driver connection performance on APTIO IV
• Fixed boot option saving in LogoutHook.command
• Added support for OEM information in ExposeSensitiveData
• Improved SanitiseClearScreen to avoid mode switching
• Replaced SupportsCsm with AdviseWindows enabling UEFI mode
• Fixed issues with default boot path selection on some boards
• Update builtin firmware versions
• Fixed AdviseWindows not setting FirmwareFeatures in NVRAM
• Added TakeoffDelay option for improved action hotkey support
• Added Mac GOP support to ProvideConsoleGop quirk
• Added experimental BuiltinTextRenderer boot option
• Added DummyPowerManagement kernel quirk to disable CPU PM

v0.5.4

• Added Enter key handling in boot menu for quick proceed
• Update builtin firmware versions
• Bundled FwRuntimeServices driver with OpenCore
• Allowed writing to non-volatile variables with disabled write
• Fixed microcode reading on Intel CPUs
• Fixed SMBIOS Type4 External Clock values
• Improved Windows compatibility on some setups (acidanthera/bugtracker#614)
• Added SupportsCsm and option in PlatformInfo/Generic
• Added OSInfo protocol support
• Added SignalAppleOS Booter quirk to enable IGPU on Macs in other OS
• Added AppleSmcIoprotocol support (replaces VirtualSmc UEFI driver)
• Added AuthRestart security property for VirtualSMC authenticated restart
• Fixed input protocol initialisation on VMware fusion
• Added arrow key handling in boot menu
• FileVault 2-like key input is now the only supported input in boot menu
• Fixed 5 second delay when exiting Shell to OpenCore Picker
• Added default boot option update and AllowSetDefault Security option
• Fixed CPU package detection on configurations with multiple CPUs
• Bundled CleanNvram and VerifyMsrE2 tools for debugging
• Added screen clearing after choosing boot entry in picker
• Added WriteFlash NVRAM option to enable writing variables in Add
• Added LegacyOverwrite NVRAM option to allow overwriting variables by nvram.plist
• Added AppleXcpmForceBoost kernel quirk to maximise select Xeon performance
• Bundled NvmExpressDxe and XhciDxe drivers for platforms that need them
• Added IncreasePciBarSize kernel quirk for select platforms with PCI space issues

v0.5.3

• Update builtin firmware versions
• Fixed interpreting letters in boot menu
• Fixed timeout abortion with PollAppleHotKeys quirk
• Fixed rare kext injection failure due to plist-only kext in prelinkedkernel
• Fixed error reporting for dmg loading
• Added various debugging improvements
• Added new crypto stack resulting in vault key format changes
• Added UnblockFsConnect UEFI quirk to fix missing filesystems on some laptops
• Added RequestBootVarFallback UEFI quirk to circumvent firmware boot option issues
• Added ThirdPartyDrives kernel quirk fixing SSD trim and 10.15 SATA hibernation (thx @lvs1974)
• Removed ThirdPartyTrim kernel quirk in favour of ThirdPartyDrives
• Added Intel Xeon E5 (Broadwell-EP) support (thx @crazyi)
• Switched to edk2-stable201911, which is now the minimum supportd EDK II version

v0.5.2

• Fixed MinKernel and MaxKernel logic (thx @dhinakg, @reitermarkus)
• Fixed ASSERT when booting non-Apple OSes without arguments from the DEBUG version
• Added MmioWhitelist configuration option
• Added PowerTimeoutKernelPanic kernel quirk
• Fixed erratic cursor appearing in release builds
• Moved ReconnectOnResChange to a user-configurable quirk to avoid freezes
• Added OpenCore version to picker ui, configured by ExposeSensitiveData
• Added hypervisor CPUID support to work with virtualization (thx @Leoyzen)

v0.5.1

• Added support of kernel resource kext injection
• Added support for 0.25% clock slowdown on Xeon Scalable CPUs (thx @mrmiller)
• Replaced MatchKernel with MinKernel and MaxKernel
• Added Arguments to Tools and Entries sections
• Fixed broken timer for 300 series Intel chipsets
• Added Input section for mouse and keyboard aggregation

v0.5.0

• Added builtin firmware versions for new models 2019
• Fixed LogoutHook leaving random directories in $HOME
• Fixed FSBFrequency calculation on Xeon Scalable CPUs (thx @mrmiller)
• Fixed ARTFrequency specifying on Intel server and atom models
• Increased log size to 256 KB by default
• Added ReplaceTabWithSpace quirk to improve Shell experience
• Added ClearScreenOnModeSwitch quirk to avoid visual glitches
• Added MISC_PWR_MGMT patch to AppleXcpmExtraMsrs quirk (thx @mrmiller)
• Added DevirtualiseMmio quirk to Booter section
• Added FileVault 2 user interface protocols formerly in AppleUiSupport
• Improved kernel patch logging to include configuration comments
• Added MSFT basic data and Linux root fs recognition to ScanPolicy
• Fixed RT region protection restoration regression (thx Sniki)
• Added OPT, CMD+R, CMD+OPT+P+R boot action hotkey support
• Added PollAppleHotKeys to register boot.efi hotkeys in the picker
• Added DisableSingleUser quirk to prohibit single user mode
• Upgraded EDK II base package to edk2-stable201908
• Prohibited argument changing by BootNext

v0.0.4

• Fixed kext injection issues with dummy dependencies
• Fixed kext injection issues with reused vtables
• Fixed Custom SMBIOS table update patches
• Added timestamp to the log file and changed extension to txt
• Enhanced LogoutHook script used for emulated NVRAM saving
• Fixed multiple operating system support in APFS containers
• Added AvoidHighAlloc UEFI quirk to avoid high memory allocs
• Updated builtin firmware versions for 10.15 beta support
• Added Booter section for Apple bootloader preferences
• Dropped AptioMemoryFix.efi support for Booter and FwRuntimeServices.efi
• Fixed hibernation issues in Windows with RequestBootVarRouting
• Significantly improved boot stability on APTIO
• Added support for Windows & OpenCore on the same drive through BlessOverride
• Added advanced user-specified boot entries through Misc -> Entries
• Added DisableVariableWrite quirk to disable hardware NVRAM write in macOS

v0.0.3

• Added complete modern platform database (2012+)
• Added DisableIoMapper kernel quirk
• Fixed ACPI modification failures with nested multiboot
• Dropped IgnoreForWindows quirk legacy
• Added basic AMD Zen CPU support
• Added Misc -> Tools section to add third-party tools
• Added Kernel -> Emulate section for CPUID patches
• Added CustomSMBIOSGuid quirk for Custom SMBIOS update mode
• Added PanicNoKextDump quirk to avoid kext dump in panics
• Switched to EDK II stable and reduced image size
• Added LapicKernelPanic kernel quirk
• Added AppleXcpmExtraMsrs quirk and improved XCPM patches
• Added (external) suffix for external drives in boot menu
• Added UsePicker option, do enable for OC boot management
• Added nvram.plist loading for legacy and incompatible platforms
• Improved instructions for legacy and Windows installation
• Added Windows Boot Camp switching support
• Added basic hibernation detection & support
• Added ResetHwSig ACPI quirk to workaround hibernation
• Removed Custom subfolder requirement from ACPI tables
• Fixed kext injection in 10.7.x and 10.8.x
• Added ESP partition type detection to ScanPolicy
• Added support for third-party user interfaces

v0.0.2

• Documentation improvements (see Differences.pdf)
• Platform information database updates
• Fixed misbehaving Debug -> Target enable bit
• Added ResetLogoStatus ACPI quirk
• Added SpoofVendor PlatformInfo feature
• Replaced ExposeBootPath with ExposeSensitiveData
• Added builtin implementation of Data Hub protocol
• Dropped UpdateSMBIOSMode Auto mode in favour of Create
• Fixed SMBIOS CPU detection for Xeon and Core models
• Moved ConsoleControl configuration to Protocols
• Added Security -> ScanPolicy preference
• Fixed invalid board-rev exposure in Data Hub
• Fixed SMBIOS Type 133 table exposure
• Added support for SMBIOS Type 134 table exposure

v0.0.1

• Initial developer preview release