官方正式版最新黑苹果引导器OpenCore，简称OC，目前可以正常引导各种黑苹果。

主要特征：

• Apple磁盘映像加载支持
• 苹果键盘输入汇总
• Apple PE图像签名验证
• Apple UEFI安全启动补充代码
• 带有屏幕阅读支持的音频管理
• 基本的ACPI和SMBIOS操作
• 通过计时器支持收集CPU信息
• 加密原语（SHA-256，RSA等）
• 解压缩原语（zlib，lzss，lzvn等）
• ACPI的辅助代码读取和修改
• 文件，字符串，UEFI变量的高级抽象
• 溢出检查算法
• 没有UEFI安全启动冲突的PE映像加载
• Plist配置格式解析
• PNG图像处理
• 文本输出和图形输出实现
• XNU内核驱动程序注入和补丁引擎

v1.0.2

• Fixed error in macrecovery when running headless, thx @mkorje
• Added support for AMD_CPU_EXT_FAMILY_1AH, thx @Shaneee
• Updated builtin firmware versions for SMBIOS and the rest
• Enabled XcpmExtraMsrs MSR_MISC_PWR_MGMT patch back on macOS 12+
• Fixed XcpmExtraMsrs MSR_MISC_PWR_MGMT patch on macOS 15
• Added UEFI Unload option to unload existing firmware drivers
• Fixed boot device selection with VirtIO disk drives used for macOS installations

v1.0.1

• Updated code and added progress bar to macrecovery, thx @soyeonswife63
• Bundled fat binary i386/x64 10.6+ compatible nvramdump with LogoutHook release
• Added support for manual build of i386/x64 10.6+ versions of userspace tools via FATBIN32=1 make
• Disabled XcpmExtraMsrs MSR_MISC_PWR_MGMT patch on macOS 12+ due to non-existence
• Fixed ThirdPartyDrives quirk on macOS 14.4 and above
• Resolved issue booting recovery for OS X 10.8 and earlier since 0.9.7
• Migrated to edk2-stable202405

v1.0.0

• Updated builtin firmware versions for SMBIOS and the rest
• Switched to Apple silicon GitHub runner for CI, thx @Goooler
• Added Apple Silicon support in all provided utilities
• Utilities now require macOS 10.9+ (OpenCore itself still supports macOS 10.4+)
• Added AllowRelocationBlock support for 32-bit version
• Enabled additional serial logging in non-RELEASE builds of OpenDuet
• Added missing DxeCore ImageContext HOB in OpenDuet
• Fixed assert caused by dependency ordering in OpenDuet
• Prevented assert in normal situation when freeing memory above 4GB in OpenDuet
• Prevented debug assert reporting that optional Hii protocols are not present in OpenDuet
• Fixed problem loading non-firmware runtime drivers (e.g. OpenRuntime.efi) in OpenDuet
• Resolved issue using NOOPT debugging in OpenDuet
• Fixed alphabetical ordering in Configuration.pdf, thx @leon9078

v0.9.9

• Fixed incorrect warning in ocvalidate
• Modified Launchd.command to recreate its log file if deleted
• Updated Launchd.command to work with macOS Sonoma (re-run ./Launchd.command install after upgrading to Sonoma)
• Fixed an incorrectly labelled MacBookPro11,3 model code in macserial, thx @Macschrauber
• Improved macrecovery download logic for slow connections to get chunklist first, thx @scriptod911

v0.9.8

• Updated OpenDuet to allow loading unsigned, unaligned legacy Apple images such as HfsPlusLegacy.efi
• Fixed CPU frequency calculation on AMD 10h family
• Swapped the position of Shutdown and Restart buttons to better match recent macOS
• Added OC_ATTR_USE_REVERSED_UI to allow access to previous default Shutdown and Restart button arrangement
• Fixed intro animation getting stuck in OpenCanopy if an entry which returns to menu is selected before animation ends
• Modified OpenCanopy to require presence of label images only when used due to OC_ATTR_USE_GENERIC_LABEL_IMAGE
• Provided OC_ATTR_REDUCE_MOTION to optionally disable non-required OpenCanopy menu animations
• Modified NVRAM logout hook to handle XML entities in string vars
• Fixed CPU frequency calculation on AMD 0Fh family
• Added kext blocker Exclude strategy for mkext
• Re-enabled AudioDxe failover to protocol GET mode for systems such as Acer E5 where it works when DisconnectHda doesn’t
• Added FirmwareSettingsEntry.efi driver which adds menu entry to reboot into UEFI firmware settings
• Enabled use of picker shortcut keys which are read out in OpenCanopy when using PickerAudioAssist
• Modified builtin picker so as not to respond to keys queued while audio assist menu is being read out
• Fixed Linux EFI stub loading error when using OpenDuet since 0.8.8
• Fixed APFS JumpStart with OpenDuet and SecureBootModel Disabled
• Added TSC frequency calculation for xen hypervisor, thx @netanelc305
• Supported additional early Nvidia UEFI VBIOS in EnableGop vBiosInsert.sh

v0.9.7

• Updated recovery_urls.txt
• Changed OpenDuet to enforce W^X settings rather than fixing them in loaded images
• Updated FixupAppleEfiImages quirk to fix W^X errors in all non-Secure Boot Apple signed binaries
• Updated builtin firmware versions for SMBIOS and the rest
• Updated AppleEfiSignTool to work with new PE COFF loader
• Fixed recovery failing to boot on some systems
• Updated ProvideCurrentCpuInfo quirk to support CPUID leaf 0x2 cache size reporting on Mac OS X 10.5 and 10.6
• Updated efidebug.tool to support new standard image format

v0.9.6

• Updated builtin firmware versions for SMBIOS and the rest
• Fixed hang while generating boot entries on some systems
• Added efidebug.tool support for 32-bit on 32-bit using GDB or LLDB
• Fixed potential incorrect values in kernel image capabilities calculation
• Added FixupAppleEfiImages quirk to allow booting Mac OS X 10.4 and 10.5 boot.efi images on modern secure image loaders

v0.9.5

• Fixed GUID formatting for legacy NVRAM saving
• Fixed inability to open files in root directory on an NTFS filesystem
• Fixed hang while unloading NTFS driver
• Added UEFI quirk ShimRetainProtocol, allowing OpenCore chained from shim to verify Linux using shim’s certificates
• Added OpenLegacyBoot driver for supporting legacy OS booting
• Added shim-make.tool to download and build rhboot/shim, for Linux SBAT and MOK integration

v0.9.4

• Fixed kext blocker Exclude strategy for prelinked on 32-bit versions of macOS
• Fixed ForceAquantiaEthernet quirk on macOS 14 beta 2, thx @SHikumo
• Added InstanceIdentifier to OpenCore and option to target .contentVisibility to specific instances (thx @dakanji)
• Improved LapicKernelPanic quirk on legacy versions of macOS
• Allowed .contentVisibility in same boot FS root locations as .VolumeIcon.icns, in order to survive macOS updates
• Fixed incorrect core count on Silvermont Atom/Celeron processors
• Fixed PM timer detection on Silvermont Atom/Celeron processors for TSC calculations
• Fixed PM timer detection on non-Intel chipsets when booted through OpenDuet
• Fixed FadtEnableReset on NVIDIA nForce chipset platforms
• Added BlockIoDxe alternative OpenDuet variant
• Added support for ATI cards when using ForceResolution option

v0.9.3

• Added --force-codec option to AudioDxe, thx @xCuri0
• Downgraded additional warning message in normal operation of emulated NVRAM to info
• Disabled not present DVL0 device in SSDT-SBUS-MCHC by default, thx @stevezhengshiqi
• Added EFI mandated box drawing, block element and arrow characters to Builtin renderer console font
• Improved support for overlong menu entries and very narrow console modes in builtin picker
• Made Builtin text renderer ignore UI Scale, when required to ensure that text mode reaches minimum UEFI supported size of 80×25
• Added save and restore of text and graphics mode round tools and failed boot entries
• Updated out-of-range cursor handling to work round minor display issue in memtest86
• Added optional --enable-mouse-click argument to CrScreenshotDxe driver to additionally respond on mouse click
• Added --use-conn-none option to AudioDxe driver to discover additional usable output channels on some systems
• Added PciIo protocol override used to fix Aptio IV compatiblity with Above 4G BARs, thx @xCuri0
• Fixed AppleXcpmForceBoost quirk on macOS 14
• Updated builtin firmware versions for SMBIOS and the rest
• Added ConsoleFont option to load custom console font for Builtin renderer
• Improved XhciPortLimit quirk on macOS 11 to 14

v0.9.2

• Added DisableIoMapperMapping quirk, thx @CaseySJ
• Fixed disabling single user mode when Apple Secure Boot is enabled
• Improved guard checks for GopBurstMode on systems where it’s not needed
• Improved compatibility of GopBurstMode with some very non-standard GOP implementations
• Fixed possible hang with GopBurstMode enabled on DEBUG builds
• Enabled GopBurstMode even with natively supported cards, in EnableGop firmware driver
• Fixed inability to patch force-injected kexts
• Fixed ExternalDiskIcons quirk on macOS 13.3+, thx @fusion71au
• Fixed various recent reversions and some longer-standing minor bugs in Builtin text renderer
• Applied some additional minor optimizations to Builtin text renderer
• Implemented InitialMode option to allow fine control over text renderer operating mode
• Added support for ConsoleMode text resolution setting to Builtin renderer
• Fixed regression for ACPI quirks RebaseRegions and SyncTableIds
• Updated build process to provide stable and bleeding-edge versions of EnableGop
• Implemented minor improvements in PickerMode Apple
• Improved filtering algorithm for LogModules and added ? filter for matching non-standard log lines
• Fixed crash when gathering system report on virtualised CPUs
• Fixed unnecessary warning when first booting with emulated NVRAM

v0.9.1

• Fixed long comment printing for ACPI patches, thx @corpnewt
• Added sample config for VS Code source level debugging with gdb
• Updated builtin firmware versions for SMBIOS and the rest
• Added GOP memory caching report to SysReport
• Implemented GopBurstMode quirk for faster GOP operation on older firmware
• Fixed ThirdPartyDrives quirk on macOS 13.3 and above

v0.9.0

• Resolved issues with verbose boot log appearing over picker graphics
• Added version number to EnableGop UI section, so tool builders can track it
• Added ProvideCurrentCpuInfo support for macOS 13.3 DP
• Added AMD support, GOP offset auto-detection and macOS 10.11+ support to EnableGop vBIOS insertion script
• Included precompiled EDK-II EfiRom and GenFfs in Utilities/BaseTools with OpenCore releases

v0.8.9

• Improved debug logging when applying ACPI patches
• Fixed loading macOS with legacy boot without Apple Secure Boot
• Added Linux support to legacy boot BootInstall script
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed incomplete console mode initialisation when started in graphics mode
• Provided additional UEFI forge mode, for use in firmware drivers
• Implemented firmware driver enabling pre-OpenCore graphics on non-natively supported GPUs on EFI-era Macs
• Prevented unwanted clear screen to console background colour when in graphics mode
• Added ResizeUsePciRbIo quirk to workaround broken PciIo on some UEFI firmwares, thx @xCuri0
• Fixed crash while using SysReport on older Atom systems
• Fixed kexts without a Contents folder not being patched during a cacheless boot
• Added read-only sections (.rdata) to all drivers for better memory protection when supported
• Fixed crash while using SysReport on systems with non-audio HDA codecs
• Fixed debug script support for GDB and LLDB
• Fixed legacy boot debug builds asserting on macOS loading

v0.8.8

• Updated underlying EDK II package to edk2-stable202211
• Updated AppleKeyboardLayouts.txt from macOS 13.1
• Updated builtin firmware versions for SMBIOS and the rest
• Updated ocvalidate to allow duplicate tool if FullNvramAccess is different
• Fixed Kernel -> Block entries not being processed if one was skipped due to Arch
• Fixed intermittent prelinking failures caused by XML corruption when kext blocking is enabled
• Removed magic Acidanthera sequence from OpenCore files used for picker hiding
• Added .contentVisibility to hide and disable boot entries
• Added Linux support to QemuBuild.command used for Duet debugging
• Built in new secure PE/COFF loader
• Added prebuilt mtoc universal binary with Apple Silicon support
• Corrected OpenDuet build on Apple Silicon
• Added SD card device path support for boot device selection

v0.8.7

• Removed unwanted clear screen when launching non-text boot entry
• Fixed TSC/FSB for AMD CPUs in ProvideCurrentCpuInfo, thx @Shaneee
• Added Misc -> Boot -> HibernateSkipsPicker not to show picker if waking from macOS hibernation
• Changed macrecovery to download files into com.apple.recovery.boot by default, thx @dreamwhite
• Supported Apple builtin picker (using BootKicker.efi or PickerMode Apple) when running GPUs without Mac-EFI support on units such as the MacPro5,1 (thx @cdf, @tsialex)
• Enabled PickerMode Apple to successfully launch selected entry
• Enabled BootKicker.efi to successfully launch selected entry (via reboot) (thx @cdf)
• Added spoof proof UEFI 2.x checking to OpenVariableRuntimeDxe, thx @dakanji

v0.8.6

• Updated NVRAM save script for compatibilty with earlier macOS (Snow Leopard+ tested)
• Updated NVRAM save script to automatically install as launch daemon (Yosemite+) or logout hook (older macOS)
• Fixed maximum click duration and double click speed for non-standard poll frequencies
• Added support for pointer dwell-clicking
• Fixed recursive loop crash at first non-early log line on some systems
• Fixed early log preservation when using unsafe fast file logging
• Updated builtin firmware versions for SMBIOS and the rest
• Resolved wake-from-sleep failure on EFI 1.1 systems (including earlier Macs) with standalone emulated NVRAM driver
• Updated macrecovery commands with macOS 12 and 13, thx @Core-i99
• Updates SSDT-BRG0 with macOS-specific STA to avoid compatibility issues on Windows, thx @Lorys89
• Fixed memory issues in OpenLinuxBoot causing crashes on 32-bit UEFI firmware

v0.8.5

• Updated builtin firmware versions for SMBIOS and the rest
• Moved CPU objects that exist only in Windows Server 2022 into SSDT-HV-DEV-WS2022.dsl
• Updated Hyper-V device path expansion to support hot add/remove of disks
• Improved verbose logging during kernel patching

v0.8.4

• Added checks for Driver -> LoadEarly in ocvalidate
• Added FullNvramAccess option for tools which require direct access to NVRAM
• Replaced SSDT-HV-CPU.dsl with SSDT-HV-DEV.dsl for compatiblity with older macOS versions on Windows 10 and newer
• Updated builtin zlib library to 1.2.12
• Changed ocpasswordgen not to print characters on password input
• Added ProcessKernel utility for testing kext injection based on configs
• Fixed crash while using SysReport on Pentium 4 systems
• Fixed crash after ExitBootServices() is called while using DEBUG builds and file logging
• Fixed 32-bit userspace build support on macOS (use High Sierra 10.13 and below)
• Added basic set of NetworkPkg drivers with HTTP boot support

v0.8.3

• Added ext4 file system driver
• Added support for macOS 13 DP3 Kernel Collection
• Added --force-device option to AudioDxe, allowing UEFI audio on HDA contollers which misreport themselves as non-HDA audio devices
• Provided optional unsafe fast file logging (suitable only for firmware with a fully compliant FAT32 driver)
• Fixed incorrect OSBundleLibraries_x86_64 handling during cacheless injection
• Changed RsaTool not to link against system ssl on macOS
• Fixed crash during cacheless injection when kext blocking is enabled
• Removed default codec connection delay from AudioDxe
• Added optional --codec-setup-delay argument to AudioDxe
• Changed units of Audio -> SetupDelay from microseconds to milliseconds (divide previous value by 1000 if using this setting)
• Fixed incorrect FAT binary slice being selected under macOS 10.4.11 when performing a cacheless boot
• Fixed rare assertion caused by label animation initialisation in OpenCanopy
• Added --show-csr option for Toggle SIP boot menu entry
• Added macOS 10.4 and 10.5 support to AllowRelocationBlock Booter quirk
• Added CPU cache info injection for macOS 10.4 to ProvideCurrentCpuInfo quirk
• Added emulated NVRAM driver for use separately from OpenDuet
• Added support for NVRAM reset and set default boot entry when using emulated NVRAM
• Upgraded emulated NVRAM logout script to allow unsupervised installation of recent macOS OTA updates
• Added Driver -> LoadEarly for drivers which need to be loaded before NVRAM init

v0.8.2

• Fixed AppleCpuPmCfgLock on macOS 13
• Fixed DummyPowerManagement on macOS 13
• Updated builtin firmware versions for SMBIOS and the rest
• Added macOS 13 support for AvoidRuntimeDefrag Booter quirk
• Added injected kext bundle version printing in DEBUG builds
• Added Linux compatibility for CreateVault scripts

v0.8.1

• Improved ExtendBTFeatureFlags quirk on newer macOS versions, thx @lvs1974
• Added notes about DMAR table and ForceAquantiaEthernet, thx @kokowski
• Added System option in LauncherOption property, thx @stevezhengshiqi
• Updated note about CustomPciSerialDevice, thx @joevt
• Added read-only driver for NTFS
• Switched Reset NVRAM and Toggle SIP to configurable boot entry protocol drivers
• Supported optional Apple firmware-native NVRAM reset, thx @syncretic
• Supported NVRAM reset optionally retaining BIOS boot entries
• Supported user specified csr-active-config value for Toggle SIP
• Added optional Enabled and Disabled flavours for Toggle SIP (allows theme designers to provide distinct icons)
• Added PIIX4 ACPI PM timer detection for TSC calculations on Hyper-V Gen1 VMs

v0.8.0

• Added support for early log preservation
• Switched to Python 3 in scripts (use python /path/to/script to force Python 2)
• Added ForceAquantiaEthernet for Aquantia AQtion AQC-107s based 10GbE network cards support, thx @Mieze and @Shikumo
• Updated builtin firmware versions for SMBIOS and the rest
• Added Misc -> Serial section to customise serial port properties
• Added CustomPciSerialDevice quirk for XNU to correctly recognise customised external serial devices

v0.7.9

• Added auto-detect macOS Installer volume name for use when .disk_label file cannot be displayed
• Added --restore-nosnoop flag to AudioDxe, making v0.7.7 fix for Windows sound opt-in
• Added new method to disable trim when SetApfsTrimTimeout is set to zero
• Fixed SetApfsTrimTimeout on macOS 12 (only works when set to zero)
• Added script to build qemu recovery images to macrecovery
• Fixed selecting SecureBootModel on hypervisors (should be x86legacy)
• Added kext blocking Strategy for prelinked and newer
• Added global MSR 35h fix to ProvideCurrentCpuInfo, allowing -cpu host in KVM
• Fixed potential memory corruption with AVX acceleration enabled
• Added LogModules for positive and negative log filtering by modules
• Renamed OpenLinuxBoot driver argument from partuuidopts:{PARTUUID} to autoopts:{PARTUUID}
• Supported booting Linux from stand-alone /boot partition without /loader/entries files (user must specify full kernel boot options)
• Handled XML entities in driver arguments
• Updated underlying EDK II package to edk2-stable202202

v0.7.8

• Updated ocvalidate to warn about insecure DmgLoading with secure SecureBootModel (already disallowed in runtime)
• Fixed AudioDxe not disabling unused channels after recent updates
• Allow gain to track OS volume on old macOS without SystemAudioVolumeDB
• Fixed crash on no mouse support when verifying password
• Fixed AppleInternal CSR bit being set with ProvideCustomSlide enabled
• Added support for .contentFlavour and .contentDetails files for boot entry protocol entries including OpenLinuxBoot
• Added LINUX_BOOT_ADD_RW flag to OpenLinuxBoot to support e.g. EndeavourOS
• Added flags+= and flags-= arguments to OpenLinuxBoot to simplify setting driver flags if needed
• Fixed OpenLinuxBoot entry name disambiguation when LINUX_BOOT_USE_LATEST flag is clear
• Updated builtin firmware versions for SMBIOS and the rest
• Fixed crash in OpenLinuxBoot with partly (re-)installed Linux distro
• Improved robustness in malformed PE image file parsing

v0.7.7

• Fixed rare crash caused by register corruption in the entry point
• Added ProvideCurrentCpuInfo support for Intel Alder Lake
• Fixed typo in Cpuid1Data recommendations for Intel Rocket Lake and newer
• Updated builtin firmware versions for SMBIOS and the rest
• Updated underlying EDK II package to edk2-stable202111
• Resolved crashes in QEMU with AudioDxe
• Added AudioDxe settings caching (avoids non-needed setup delays)
• Added DisconnectHda quirk to allow UEFI sound on Apple hardware and others
• Added workarounds for bugs in QEMU intel-hda driver to allow UEFI sound in QEMU
• Implemented multi-channel (e.g. bass+main speaker; speakers+headphones) UEFI sound with AudioOutMask
• Fixed AudioDxe startup stalls when Nvidia HDA audio is present
• Resolved AudioDxe disabling sound in Windows on some firmware
• Added pointer polling period tuning in the builtin AppleEvent implementation
• Added pointer device list tuning in the builtin AppleEvent implementation
• Added VREF handling to support UEFI sound on more Apple hardware
• Updated audio output channel detection to support UEFI sound on more Apple hardware
• Added manual GPIO config (use --gpio-setup AudioDxe driver argument for UEFI sound on Apple hardware)
• Switched UEFI audio levels to decibel gain to allow accurate matching of saved macOS volume levels
• Separated settings for minimum audio assist volume and minimum audible volume

v0.7.6

• Fixed stack canary support when compiling with GCC
• Added automatic scaling factor detection
• Explicitly restricted ResizeAppleGpuBars to 0 and -1
• Fixed OpenCanopy long labels fade-out over graphics background
• Fixed ProvideConsoleGop not disabling blit-only modes (e.g. on Z690)
• Fixed Alder Lake SMBIOS CPU model information
• Added XCPM CPU power management ACPI table for Intel Alder Lake
• Updated draw order to avoid graphics tearing in OpenCanopy
• Fixed handling PCI device paths with logical units in ScanPolicy
• Added ReconnectGraphicsOnConnect option for enabling alternative UEFI graphics drivers
• Added BiosVideo.efi driver to use with ReconnectGraphicsOnConnect
• Changed FadtEnableReset to avoid unreliable keyboard controller reset
• Added EnableVmx quirk to allow virtualization in other OS on some Macs
• Upgraded ProtectUefiServices to prevent GRUB shim overwriting service pointers when chainloading with Secure Boot enabled
• Removed deprecated SSDT-PNLFCFL
• Fixed handling of zero-sized Memory Attributes Table

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 这个版本使用了新的主题，需要更新你的主题！

• 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 firmwares
• 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 firmwares allowong reentrance for timer functions
• 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

WARN: Upgrading to 0.6.4 may require additional steps when BootProtect is set to Bootstrap. For more details please refer to this instruction.

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 firmwares
• 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 firmwares when performing keyboard input

v0.5.8 2020-05-04正式版

• 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)

0.5.7 更新 2020-04-06正式版

• 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更新：

• 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