OpenCore Changelog

v0.7.5

• Revised OpenLinuxBoot documentation
• Supported Linux ostree boot layout
• Fixed external drive icons for Boot Entry Protocol
• Added GPU Resize BAR quirks to reduce BARs on per-OS basis
• Fixed OpenLinuxBoot hang bug after correct detection of some distros
• Added DMG signature check during download, thx @jspraul and @zhangyoufu
• Updated builtin firmware versions for SMBIOS and the rest
• Updated recovery downloading commands to include macOS 11 and 12

v0.7.4

• Fixed Linux kernel sort order
• Added Linux detection optional log detail
• Fixed CPU core count detection for more legacy CPUs
• Added ability to fully override autodetect Linux boot options
• Added large BaseSystem support in AdviseFeatures
• Updated builtin firmware versions for SMBIOS and the rest
• Added tool to extract vendor secure boot certificate from GRUB shim file
• Added BridgeOSHardwareModel NVRAM variable to fix T2 SB AP models on macOS 12
• Changed Default Apple Secure Boot model to match SMBIOS for macOS 12
• Fixed opencore-version not being added to NVRAM variables

v0.7.3

• Improved SSDT-PNLF compatibility with CFL+ graphics
• Fixed OpenCanopy performance loss due to redrawing introduced in 0.6.9
• Added pattern-based automatic variable initialisation for better security
• Updated underlying EDK II package to edk2-stable202108
• Updated Apple Secure Boot variables for x86legacy
• Updated Linux variants in Flavours.md
• Implemented Boot Entry Protocol, allowing plug-in boot entry drivers
• Added StringBuffer and FlexArray libraries
• Updated Drivers to support arguments (requires config.plist update, see samples)
• Added OpenLinuxBoot driver: OC-native Linux autodetect and boot without chaining via GRUB
• Fixed overlong boot entry names breaking text flow in builtin menu
• Added ForceOcWriteFlash UEFI quirk to enable writing OC system variables

v0.7.2

• Fixed OSBundleLibraries/OSBundleLibaries64 handling
• Added GraphicsInputMirroring to fix lost keystrokes in some non-Apple graphical UEFI apps
• Added support for stack canaries (security cookies / stack guards)
• Fixed unintialised memory access in AudioDxe causing audio playback failure
• Changed Default Apple Secure Boot model to x86legacy for better security and compatibility
• Increased default APFS MinDate and MinVersion to macOS Big Sur for better security
• Updated builtin firmware versions for SMBIOS and the rest
• Improved SSDT-PNLF compatibility with Windows and newer graphics
• Fixed CLANGPDB OpenCore builds by shortening OC magic

v0.7.1

• Added SyncTableIds quirk to sync modified table OEM identifiers
• Added CPU Info (MSRs) dumping to SysReport
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed PowerTimeoutKernelPanic on macOS 12
• Fixed transparency click detection on OpenCanopy boot entries
• Added PCI device info dumping to SysReport
• Fixed SetApfsTrimTimeout on macOS 12
• Documented requirement for SetDefault.icns width to match Selector.icns width
• Added explicit warn and safe fallback to builtin picker on failure to match the above
• Added VSCode source level IDE debug config example to debug docs
• Added other minor debug docs updates
• Fixed incorrect timeout of built-in picker on IA32
• Added support for custom kernels on ESP partition
• Fixed DEBUG ASSERT on pressing change entry keys with single boot entry in OpenCanopy
• Added recommended Apple12 and Windows11 flavours
• Added TpmInfo tool to DEBUG TPM status
• Fixed incorrect OpenCanopy initial display when default entry beyond right of screen
• Fixed ProvideCurrentCpuInfo MSR patch on macOS 12
• Fixed AppleXcpmForceBoost patch on macOS 12

v0.7.0

• Fixed NVRAM reset on firmware with write-protected BootOptionSupport
• Improved direct GOP renderer performance for certain cases
• Added support for display rotation in direct GOP renderer
• Fixed handling multinode device paths in LoadedImage and elsewhere
• Changed OpenCanopy image directory to support directory prefixes
• Changed OpenCanopy preferred image set to Acidanthera\GoldenGate
• Removed <BOOTPATH>.icns and <TOOLPATH>.icns support
• Added content flavour system allowing custom boot entry icons compatible across icon packs
• Added automatic flavour detection for macOS boot entries
• Added ProvideCurrentCpuInfo quirk to provide correct TSC/FSB for Hyper-V virtual machines
• Added Hyper-V device path expansion to allow setting default boot volume
• Added Apple variant of GopPassThrough to handle only AppleFramebufferInfo handles
• Fixed further kernel patches not being processed if a patch was skipped due to arch mismatch
• Added optional Toggle SIP system boot menu option
• Added CsrUtil.efi tool, similar to Apple csrutil
• Removed support for <TOOLPATH>.lbl/.l2x pre-drawn entry labels
• Fixed previous text not cleared before console mode tools and entries in OpenCanopy
• Fixed DEBUG build crashes with GopPassThrough and UgaPassThrough
• Added flavour for memory testing utilities
• Updated recommended memtest86 config in sample .plist files
• Defined bootloader flavours
• Applied own flavour to OC build
• Added CPU topology fixes to ProvideCurrentCpuInfo quirk
• Updated OC default SIP disabled value
• Documented SIP values which affect macOS updates
• Added csr-data Apple NVRAM var to docs
• Fixed file alignment causing codesign issues with CLANGPDB images
• Replaced AdviseWindows with AdviseFeatures to support APFS

v0.6.9

• Fixed out-of-sync cursor movement rectangle when loading e.g. CrScreenshotDxe
• Updated underlying EDK II package to edk2-stable202102
• Applied consistent enforcement of required minimum Apple OEM Apple Event protocol version
• Changed CustomDelays to less surprising boolean setting with failsafe of false
• Changed key repeat failsafes and sample values to Apple OEM values
• Changed PointerSpeedMul failsafe to Apple OEM value
• Updated docs to include configuration of key repeat settings with and without KeySupport
• Prevented 'set default' UI when action not permitted by security config
• Added ForgeUefiSupport quirk to workaround legacy EFI 1.x firmwares compatibility
• Added ReloadOptionRoms quirk to force-load Option ROMs on PCI devices
• Added OC_ATTR_USE_MINIMAL_UI to allow running pickers with no Shutdown and Restart buttons
• Added display of OpenCore version number to OpenCanopy as well as builtin picker, depending on existing ExposeSensitiveData bit
• Added support for case-insensitive argument handling in the UEFI tools
• Added vector acceleration of SHA-512 and SHA-384 hashing algorithms, thx @MikhailKrichanov
• Fixed wraparound when using arrow keys in OpenCanopy
• Updated builtin firmware versions for SMBIOS and the rest
• Added bundled Linux versions for userspace utilities
• Fixed fallback SMBIOS Manufacturer value to NO DIMM for empty slots
• Fixed assertions when running OpenCanopy with low resolution, will fallbacks to builtin now

v0.6.8

• Switched to VS2019 toolchain for Windows builds
• Reduced legacy boot install interaction effort
• Increased OpenCanopy rendering performance
• Added OpenCanopy Shut Down and Restart buttons
• Reduced OpenCanopy mouse pointer input lag
• Fixed that cursor bounds could be different from OpenCanopy's
• Improved builtin picker rendering performance
• Added Memory Type decoding for SMBIOS in Automatic mode
• Properly support setting custom entries as default boot options
• Fixed creating log file when root file system is not writable
• Fixed DisableSingleUser not being enabled in certain cases
• Added ForceBooterSignature quirk for Mac EFI firmware
• Fixed OpenCanopy sometimes cutting off shown boot entries
• Further improved CPU frequency calculation on legacy CPUs
• Fixed SMBIOS SMC version encoding sequence
• Added TSC frequency reading from Apple Platform Info
• Added TSC frequency reading for Apple devices with nForce chipsets
• Added Base and BaseSkip lookup for ACPI patches
• Fixed ACPI table magic corruption during patching
• Fixed unnatural OpenCanopy and FileVault 2 cursor movement
• Fixed OpenCanopy interrupt handling causing missed events and lag
• Improved OpenCanopy double-click detection
• Reduced OpenCanopy touch input lag and improved usability
• Improved keypress responsiveness in OpenCanopy and builtin pickers
• Improved non-repeating key detection in OpenCanopy and builtin pickers
• Fixed Escape preventing OpenCanopy fade up until released, on some systems
• Fixed fast repeat then stall issue with key handling on some PS/2 systems
• Added accurate Shift+Enter/Shift+Index detection when using PollAppleHotKeys
• Added 'set default' indicator to builtin picker
• Replaced VerifyMsrE2 with ControlMsrE2 also allowing unlock on some firmwares
• Fixed OpenCanopy flicker when refreshing the entry view
• Added OpenCanopy TAB navigation support
• Added OpenCanopy graphical password interface
• Added OpenCanopy pulsing animation to signal timeout
• Added OpenCanopy 'set default' indicator
• Fixed OpenCanopy not aborting timeout on pointer click
• Fixed OpenCanopy intro animation not scaling with UIScale
• Add OpenCanopy boot entry label scrolling (fixes missing long labels)
• Added tabbable Shutdown and Restart buttons to builtin picker
• Fixed in-firmware shutdown for some systems running OpenDuet
• Added Zero as alias hotkey for Escape, to force show picker if hidden
• Added =/+ key as alias for CTRL to set default OS
• Added additional support for configuring correct key repeat behaviour with KeySupport mode
• Fixed CPU multiplier detection on pre-Nehalem Intel CPUs
• Fixed incorrect handling of multiple processors and processor cache in SMBIOS
• Matched default Apple boot picker cursor start position
• Updated OpenShell devices command to support misaligned device names returned by some Apple firmware
• Added (dmg) suffix to DMG boot options in OpenCanopy
• Added identifiers for Rocket Lake and Tiger Lake CPUs
• Added PickerAudioAssist 'disk image' indication
• Fixed PickerAudioAssist indications played twice in rare cases
• Improved OpenCanopy pointer acceleration
• Added more precise control on AppleEvent protocol properties and features
• Added dynamic keyboard protocol installation on CrScreenshotDxe
• Support starting UEFI tools with argument support (e.g. ControlMsrE2) without arguments from picker
• Fixed OpenCanopy font height calculation, may reject previously working fonts and mitigate memory corruption
• Fixed incorrect identification of Xeon E5XXX/E5-XXXX and Xeon WXXXX/W-XXXX CPUs
• Added RSDP, RSDT, and XSDT handling to NormalizeHeaders ACPI quirk

v0.6.7

• Fixed ocvalidate return code to be non-zero when issues are found
• Added OEM values to PlatformInfo in Automatic mode
• Improved CPU frequency calculation on Haswell and earlier
• Fixed issues when applying certain patches
• Added SSN (and HW_SSN) variable support
• Added onscreen early logging in DEBUG builds for legacy firmware
• Added workaround for firmware not specifying DeviceHandle at bootstrap
• Added support for R/O page tables in SetupVirtualMap quirk
• Added OEM preservation for certain Apple SMBIOS tables
• Fixed switching to graphics mode when entering OpenCanopy
• Fixed installing Apple FB Info protocol when no GOP exists
• Fixed abort timeout sound in OpenCanopy on key press
• Added GopPassThrough option to support GOP protocol over UGA
• Fixed CPU speed rounding for certain Xeon and Core 2 CPUs
• Removed KeyMergeThreshold as it never functioned anyway
• Added acdtinfo utility to lookup certain products
• Fixed FSBFrequency calculation with fractional multiplier
• Fixed showing core count for some AMD CPUs
• Added ResetTrafficClass to reset TCSEL to T0 on legacy HDA
• Fixed default boot entry selection without timeout for builtin picker
• Added ocpasswordgen utility to generate OpenCore password data
• Added ActivateHpetSupport quirk to activate HPET support
• Fixed opencore-version reporting the incorrect version in rare cases

v0.6.6

• Added keyboard and pointer entry scroll support in OpenCanopy
• Added background image support in OpenCanopy
• Fixed selector boot option choice in OpenCanopy
• Relaxed selector dimensions for OpenCanopy
• Added MaxBIOSVersion option to Generic
• Fixed MLB verification feature in macrecovery
• Replaced VBoxHfs driver with OpenHfsPlus
• Added audio codec dumping to SysReport
• Fixed compatibility with page protection for all binaries
• Fixed crashes in OpenUsbKbDxe when handling unsupported devices
• Removed HdaCodecDump application in favor of SysReport
• Added SetApfsTrimTimeout to tune APFS trim command
• Changed OpenCore.efi to application to improve FW compatibility
• Added DisableSecurityPolicy UEFI quirk to workaround driver loading
• Added support for ranged widget connections in AudioDxe
• Fixed supplying non-RT SetVirtualAddressMap for non-macOS systems
• Fixed using SystemUuid from DataHub in non-Automatic mode for SMBIOS
• Dropped failsafe defaults from Generic to match non-Automatic mode
• Replaced BootProtect with LauncherOption and LauncherPath
• Added OpenPartitionDxe with Apple Partition Management scheme
• Improved ocvalidate checks in Misc, NVRAM, and UEFI sections
• Fixed multiple flaws in EFI image loading, APFS driver in particular
• Fixed NVRAM system-id being accidentally stored in Little Endian format
• Added UseRawUuidEncoding to choose SMBIOS UUID encoding style
• Updated builtin firmware versions for SMBIOS and the rest

v0.6.5

• Fixed installing OpenDuet on protected volumes
• Updated underlying EDK II package to edk2-stable202011
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed macrecovery server protocol compatibility
• Added basic audio assistant support in OpenCanopy
• Added compiled ACPI samples to the package
• Fixed timer resolution restoration at boot time
• Fixed memory capacity when using custom SMBIOS memory config
• Removed no longer required DeduplicateBootOrder quirk
• Fixed macserial crashes when processing invalid serials
• Fixed macserial issues when processing 2021 year serials
• Added advanced error checking in ocvalidate utility
• Added SetupDelay to configure audio setup delay
• Reworked LogoutHook.command to support older macOS
• Implemented MP3 audio decoding for audio assistant support
• Added support for PickerVariant for more theme variants
• Added OC_ATTR_HIDE_THEMED_ICONS PickerAttribute for Time Machine
• Fixed OpenUsbKb compatibility with certain keyboards

v0.6.4

• Added BlacklistAppleUpdate to fix macOS 11 broken update optout
• Dropped HII services from OpenDuet improving size and performance
• Fixed patching of injected kexts in mkext
• Added support for launching from relative paths
• Added direct path passing for tools via RealPath
• Allowed launching tools and entries in text mode via TextMode
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed ACPI patches not applying if tables are in locked memory
• Fixed EnableSafeModeSlide on macOS 11
• Added AllowRelocationBlock quirk for older macOS and safe mode
• Fixed CPU frequency calculation on AMD 19h family
• Updated recovery_urls
• Fixed DisableSingleUser quirk when Apple Secure Boot is enabled
• Added BootstrapShort to workaround buggy Insyde firmware
• Changed Bootstrap(Short) to choose dynamic entry (requires NVRAM reset)
• Avoided Boot prefix in RequestBootVarRouting to workaround AMI issues
• Added bootloader patch support in Booter Patch section
• Fixed startup hang on firmware that permit timer function re-entrance
• Made pointer control optional for OpenCanopy via PickerAttributes
• Added support for StartupMute variable in PlayChime
• Added support for per-volume icons for APFS on Preboot
• Removed HII dependency from OpenUsbKbDxe driver
• Fixed undefined behavior in OpenDuet causing random crashes and hangs

v0.6.3

• Added support for xml comments in plist files
• Updated underlying EDK II package to edk2-stable202008
• Provide fallbacks for NULL memory SMBIOS strings
• Fixed BOOTx64.efi and BOOTIA32.efi convention
• Fixed SMBIOS handling with multiple memory arrays
• Fixed memory array handle assignment on empty slots
• Fixed CPUID patching on certain versions of macOS 10.4.10 and 10.4.11
• Fixed incorrect core/thread counts on Pentium M processors
• Added SSDT-UNC.dsl ACPI sample to resolve X99 issues, thx @RemB
• Updated builtin firmware versions for SMBIOS and the rest
• Increased slide allocation reserve to 200 MB for Big Sur beta 10
• Fixed assert when trying to enable direct renderer on blit-only GOP
• Added support for custom memory properties
• Fixed intermittent 32-bit prelinking failures caused by improper Mach-O expansion
• Fixed failures in cacheless injection dependency resolution
• Fixed detection issues with older Atom CPUs
• Fixed ScanPolicy NVMe handling on MacPro5,1
• Fixed I/O issues on platforms incapable of reading over 1MB at once
• Fixed plist-only kext injection in Big Sur
• Add ForceResolution option for enabling non-default resolutions
• Fixed Ps2MouseDxe not properly loading under OpenDuetPkg
• Added workaround for read-only errors on some X299 boards
• Added support for x86legacy Secure Boot model
• Added missing Secure Boot NVRAM variables required by 11.0
• Added setting of system-id NVRAM variable
• Added ForceSecureBootScheme quirk for virtual machines
• Fixed kernel and ACPI patches failing to replace last bytes of memory

v0.6.2

• Updated builtin firmware versions for SMBIOS and the rest
• Added ProcessorType option to Generic allowing custom CPU names
• Fixed UnblockFsConnect option not working with APFS JumpStart
• Added IA32 binary variant to the release bundles
• Fixed improper handling of cacheless kexts without an Info.plist
• Fixed improper calculation of kext startup address for blocking
• Added mkext 32-bit kext injection (10.4-10.6)
• Added cacheless 32-bit kext injection (10.4-10.7)
• Added 32-bit kernel/kext patching/blocking support
• Fixed issues loading 10.7 EfiBoot
• Added Type to ReservedMemory to fulfil hibernation hack needs
• Added workaround to displaying Preboot instead of Macintosh HD
• Added prelinkedkernel 32-bit kext injection (10.6-10.7)
• Added SystemMemoryStatus to override memory replacement on some models
• Added older Pentium CPU recognition in SMBIOS
• Added ExtendBTFeatureFlags to properly set FeatureFlags for Bluetooth (which substitutes BT4LEContinuityFixup)
• Added MinKernel/MaxKernel to CPUID emulation and DummyPowerManagement
• Fixed -legacy not being added in KernelArch Auto mode
• Fixed i386-user32 not forcing i386 on macOS 10.7 on X64 firmware
• Fixed i386-user32 being incorrectly enabled in macOS 10.4, 10.5, and 10.7
• Disabled prelinked boot for macOS 10.4 and 10.5 in KernelCache Auto mode
• Fixed macserial compatibility with iMac20,x serials and other models from 2020
• Added LegacyCommpage quirk to improve pre-SSSE3 userspace compatibility
• Fixed legacy SATA HDDs displaying as external drives in the picker

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
• Added DisableLinkeditJettison quirk to workaround 11.0b5 kernel panics
• Added debugging of missing fields in the configuration

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 firmware 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 firmware on FAT32
• Fixed loading DMG recovery in APTIO IV firmware 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 firmware
• 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