libctru 1.9.0

• hid: Added hidKeysDownRepeat, hidWaitForAnyEvent. Allow user override of irsst usage.
• Add ptm rtc time commands
• Add sleep state FSM handling service commands
• Revamp mappableAlloc
• Fixed stat on romfs for directories, implemented lstat via stat (FAT32 has no symlinks)
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

binaries available via devkitPro pacman

libctru 1.8.0

• Added support for environments where the home menu is not launched (such as running under SAFE_FIRM)
• Added FSPXI service wrappers
• Changed heap allocation logic to be more flexible; this fixes support for certain system memory layouts
• Cleaned up and optimized light lock locking code
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

binaries available via devkitPro pacman

libctru 1.7.0

• fix FIONBIO ioctl
• Fix CAMU_GetLatestVsyncTiming
• Add archive STDIO device driver
• Add AC commands that allow forcing a wifi connection
• Fix dspInit() error handling in ndspInit()
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

libctru v1.6.0

• Major overhaul to font loading code in order to support loading external fonts.
• Major overhaul to PM service wrappers, now with separate support for pm:app and pm:dbg.
• Added Rosalina GDB host IO (gdbhio) support.
• Added support for the fs:REG service.
• Added support for the PxiPM service.
• Added PM launch flag definitions.
• Added SO_BROADCAST.
• Added new APT helper functions: aptIsHomeAllowed, aptSetHomeAllowed, aptIsHomePressed.
• Added support for the Mii selector libapplet, and other improvements to Mii support.
• Renamed IPC_Desc_CurProcessHandle to IPC_Desc_CurProcessId.
• Changed signature of LOADER_RegisterProgram to use FS_ProgramInfo structs.
• Fixed IPC bugs in the Loader service.
• Fixed svcCreateResourceLimit.
• Fixed corner case bug in GPUCMD_Add.
• Fixed bugs in select and herror.
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

libctru v1.5.1

• Added support for the FRD service.
• Added gas-related GPU definitions.
• Implemented nanosleep.
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

libctru 1.5.0

Version 1.5.0

• Added new decompression API which supports LZSS/LZ10, LZ11, RLE & Huffman formats, and which can read compressed data from memory or from a file.
• Added srvSetBlockingPolicy, which controls whether srvGetServiceHandle blocks when the service isn't yet registered (or returns an error otherwise).
• Added ACU commands: ACU_GetStatus, ACU_GetSecurityMode, ACU_GetSSIDLength, ACU_GetSecurityMode, ACU_GetProxyEnable, ACU_GetProxyPort, ACU_GetProxyUserName, ACU_GetProxyPassword, ACU_GetLastErrorCode, ACU_GetLastDetailErrorCode.
• Added CFGI commands: CFGI_SecureInfoGetSerialNumber, CFGU_IsNFCSupported, CFGI_GetLocalFriendCodeSeed, CFGI_GetLocalFriendCodeSeedData, CFGI_GetSecureInfoData, CFGI_GetSecureInfoSignature.
• Added MCUHWC commands: MCUHWC_SetWifiLedState, MCUHWC_SetPowerLedState, MCUHWC_Get3dSliderLevel, MCUHWC_GetFwVerHigh, MCUHWC_GetFwVerLow.
• Added NS commands: NS_TerminateTitle, NS_TerminateProcessTID (with timeout), NS_RebootSystem.
• Added PM commands: PM_TerminateCurrentApplication, PM_TerminateProcess, PM_UnregisterProcess.
• Overhauled NDMU service support and added many commands that were previously missing.
• Fixed bugs in srv:pm implementation.
• Fixed calculation of vertical texture coordinates in fontCalcGlyphPos.
• Fixed shaderProgramSetGshInputPermutation.
• Fixed and added clock speed constants (affects system clock and NDSP).
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

libctru 1.4.0

• Added LightSemaphore synchronization primitive.
• Added exheader definitions.
• Added support for the Loader service.
• Added support for the mcu::HWC service.
• Added support for the Mii selector applet.
• Added ResourceLimitType.
• Added AM commands: AM_DeleteAllTemporaryTitles, AM_DeleteAllExpiredTitles, AM_DeleteAllTwlTitles.
• Added CFGI commands: CFGI_RestoreLocalFriendCodeSeed, CFGI_RestoreSecureInfo, CFGI_DeleteConfigSavefile, CFGI_FormatConfig, CFGI_ClearParentalControls, CFGI_VerifySigLocalFriendCodeSeed, CFGI_VerifySigSecureInfo.
• Added GSPGPU commands: GSPGPU_SetLedForceOff.
• Added GSPLCD commands: GSPLCD_SetBrightness, GSPLCD_SetBrightnessRaw, GSPLCD_PowerOnAllBacklights, GSPLCD_PowerOffAllBacklights, GSPLCD_SetLedForceOff.
• Fixed srv:pm handling in pre-7.x system versions.
• Fixed GPU_LIGHTPERM macro definition.
• Removed the remaining deprecated GPUCMD commands.
• Further improvements to overall system stability and other minor adjustments have been made to enhance the user experience.

libctru 1.3.0

• Implement more svc calls
  • svcCreateResourceLimit
  • svcSetResourceLimitValues
  • svcSetProcessResourceLimits
  • svcCreateSession
  • svcCreateSessionToPort
  • svcSetGpuProt
  • svcSetWifiEnabled
• Additional functions
  • implement httpcAddPostDataBinary
  • implement PTMU_GetAdapterState
  • implement GSPLCD_GetBrightness
  • add threadDetach
• srv fixes
  • Fix srvPublishToSubscriber documentation
  • Fix handling of service/named port names of length 8
  • Fix srvRegisterPort
• debugging support
  • Add support for user-specified exception handlers
  • Rename debugDevice_3DMOO to debugDevice_SVC
  • created debug version of library
• Implement error applet
• GPU updates
  • Add GX command queue system for batching GX commands
  • Correct GPU_PROCTEX_LUTID definition
  • Add GPU_FOGMODE, GPU_GASMODE and GPU_GASLUTINPUT
• Other improvements and minor adjustments for overall system stability to enhance the user experience

With thanks to @TuxSH, @fincs, @mtheall, @HiddenRambler, @Pirater12, @BlackLotus and @yuriks for their contributions to this release.

libctru 1.2.1

Version 1.2.1

• Added NFC support
• Update and renamed NFC_AmiiboConfig members
• Added TickCounter for measuring performance
• Added (linear/vram/mappable)GetSize for retrieving allocated buffer size
• Added nim:s client implementation.
• Correct bus clock used for time calulations
• Default to file write without internal copy buffer
• GPUCMD_Add: allow NULL for adding zerofilled parameter data
• Clarify threadFree usage in documentation
• Add GPU_TEXFACE enumeration