From 1.4.0 to 1.5.0

      + New Detector Interface for photon and radio detectors.
      + New Software-Defined-Radio driver (RTLSDR).
      + New Connections plugin system to facilitate driver development.
      + New standarized tracking properties system for all mounts.
      + New Digital Settings Circiles (DSC) driver.
      + New Lacerta MGen driver.
      + New NightCrawler Focusing Rotator driver.
      + New Optec Gemini Focusing Rotater driver.
      + New iNovaPLX CCD driver.
      + QHY SDK update to 1.10.0. Support for QHY PoleMaster.
      + QSI SDK update to 7.6.0
      + Support for INDI client under Windows.
      + Support for Pier Side in many mount drivers.
      + Support for SkySafari.
      + Fix FLIUSB for 4.6 and 4.9 kernels.
      + Fixed wrong time format in generated SER files.
      + ZWO ASI drivers for MacOS.
      + Various GPSD fixes.
      + Proper handing of ISO8601 timestamps in the generated filenames.
      + Improved Gemini mount driver with more functionality and bug fixes.
      + Many V4L2 fixes and improvements. Support for V4L2 integer menus.
      + Ability to define multiple primary/guide scope configurations.
      + ZEQ25 Improvements and fixes.
      + NStep driver improvements and fixes.
      + Added Ccache support.
      + Support for Gotonova driver.
      + Added Unity Build support.
      + Improved Astrophysics driver.
      + Added USB connectivity to SQM device driver.
      + More robust handling of reading pier side from mount.
      + Warn client that no devices are detected in case of Multiple-Devices-Per-Driver drivers.
      + Added PEC control to INDI::Telescope. Each driver must handle the low level protocol to actually enable or disable PEC.
      + Added security (hardening) flags.
      + SoftPEC implementation for Virtuoso mounts in skywatcherAPIMount.
      + Added TELESCOP, OBSERVER, and OBJECT keywords to the FITS header.

From 1.3.1 to 1.4.0

      + Support for HitecAstro DC Focuser.
      + Support for SQL-LE Sky Quality Meter unit.
      + Support for USB Focus V3.
      + Support for Quantum Filter Wheel.
      + Support for 10micron mounts.
      + ZWO ASI filter wheel support. Driver updated to latest SDK. Fix infinite loop exposure.
      + QHY driver updated to latest SDK.
      + Added preliminary support to TCP server connection for all mounts.
      + Updated and improved Nexstar Evo driver.
      + Fixed reset of filter wheel names to default values under some circumstances.
      + Fixed feedback loop issue in chained INDI server.
      + Handle correctly broken frames in FLI driver; convert time left from ms to seconds as it should be.
      + V4L2 CCD driver updated to properly work with DMK cameras.
      + Several bugfixes for Moravian CCD driver.
      + CCD Simulator allows for up to 4096x4096 resolution.
      + Raw color video streaming now uses RGB24 instead of RGBA to conserve bandwidth.
      + New Dome and Mount safety interlocks mechanism.
      + Fix the Virtuoso mount detection in SkyWatcherMountAPI driver.
      + Support relative driver paths to INDI server.
      + Fix property cache collision conflict in case of multiple devices per driver.
      + Moonlite driver can now sync to any value instead of reset to zero.
      + Store OBJECTRA and OBJECTDEC as sexigesimal strings.
      + New Axis Lock feature to limit joystick to specific motion axis.
      + INDI server now reaps zombie processes as they appear.
      + EQMod support for AUX encoder values. ST4 Guide Rates settings. PPEC Switches.
      + Fix for TELESCOPE_PIER_SIDE implementation in EQMod driver.
      + Several fixes for Pulsar2 driver.
      + Fix SER file generation for color frames. Added timestamps for each recorded frame. Support subframed video streams.
      + Debug and Logging options can be saved in the config file.
      + New CCD_TRANSFER_FORMAT property.
      + libindi can now be compiled under MacOS and Cygwin. Non-Linux specific 3rd party drivers are also supported under MacOS and Cygwin.
      + When a request for snooped is sent, it is echoed to drivers so that they send the snopped value immediately if it exists.
      + libindi shared library is dropped. libindi now offsers indidriver (shared), indiclient (static), and indiclientqt5 (static) libraries.
      + Legacy drivers removed: SkyCommander, Intelliscope, MagellanI, TruTech, SBIG STV

From 1.3.0 to 1.3.1

      + Support for Optec IFW Filter Wheel.
      + Added new method in base client getBLOBMode to retrieve previously set BLOB mode for a device/property pair.
      + QHY driver use software binning by default for all cameras.
      + Minor bug fixes and improvements across all drivers.

From 1.2.0 to 1.3.0

      + Support for Shelyak eShel spectrograph.
      + Support for NStep focuser.
      + Support for ASI Filter Wheel.
      + Support for OneStep Telescope Controller.
      + Support for Moravian CCD driver.
      + Support for  GigE machine vision cameras.
      + Experimental SSAG CCD driver.      
      + Adding support for fast BLOB with ENCLEN. With Fast blob mode enabled, blob performance is now significantly faster.
      + FITS Min/Max calculations are disabled by default to save processing time unless explicitly enabled by the user at compile time.      
      + Qt5 based client class is added to enable multiplatform client development.
      + New significantly faster base64 encoding/decoding routines.      
      + Selectable alignment modes for INDI EQMod that includes built-in EQMod alignment and INDI Alignment Subsystem.
      + CCD sequence queue number is no longer limited to 999.
      + More Starlight Xpress CCDs cameras supported.
      + Updated Starlight Xpress Adaptive Optics driver.
      + Updated Temma Takahashi mount driver.
      + Updated Apogee CCD driver.
      + Updated QHY CCD driver with numerous fixes.
      + Updated FLI CCD driver.
      + Updated Pulasr2 driver.
      + Updated ASI CCD with support for arm64 architecture, 1600 model and a lot more.
      + Significant improvements to GPhoto driver including better support for Nikon DSLRs.
      + Improved GPSd driver.
      + New CCD_FILE_PATH property to indicate remote file path.
      + New TELESCOPE_PIER_SIDE property.
      + Dome & Telescope Scripting Gateway added.
      + Added support for servos in Indiduino
      + Fix BuiltinMathPlugin crash for Southern Hemisphere
      + Add scope park aware feature to the rolloff roof simulator            
      + INDI Logs are now stored under ~/.indi/logs and arranged by date and time per driver.
      
From 1.1.0 to 1.2.0
      
      + Support for Davis Vantage Pro/Pro2/Vue Weather Station.
      + Support for XAGYL Filter Wheel.
      + Support for Optec Flip Flat.
      + Support for Pulasr2 mount.
      + Support for JMI Smart Focus.
      + Support for GPS driver based on gpsd.
      + 3rdParty: QHY Updates and Fixes. Color camera support.
      + 3rdParty: GPhoto focus and live streaming fixes.
      + 3rdParty: Starlight Xpress support for multiple identical devices and driver improvements.
      + 3rdParty: ASI updated to latest SDK. Temperature readout for all cameras. ROI & Cooler fixes.
      + FocusLynx: Support 2 focusers.
      + Celestron: Support pulse guiding. Support hibernation and wakup on supported firmware.
      + SynScan: Complete rewrite to support latest features in the firmware.
      + GPhoto: Mirror lock support before capture.
      + RoboFocus: Update to comply to INDI::Focus standards.
      + SBIG: Support for connecting to Ethernet based CCDs.
      + ZEQ25: Updates and fixes.
      + MaxDomeII: Driver updated and tested under latest INDI::Dome standards.
      + QSI: Added anti-blooming option.
      + INDI WatchDog driver: Can be configured to perform observatory shutdown.
      + EQMod: Initial support for INDI Alignment Subsystem. Do not stop motor in low speed (guiding issue).
      + Temma: Complete rewrite based on INDI::Telescope and using INDI Alignment Subsystem.
      + AutoDome park feature in Dome devices.
      + Fix Crash on ODroid.
      + Added Meta-Weather driver to aggregate weather data from multiple sources.
      + Support for remotely controller dust caps and light box devices.
      + Handle 16bit images in Rapid Guide mode.
      + BaseClient non-blocking connect support.
      + Unified Streaming/Recording support for multiple drivers (ASI/QHY/V4L2).

From 1.0.0 to 1.1.0

      + INDI::Weather for support of weather devices.
      + INDI::GPS for support of GPS devices.
      + WunderGround weather driver.
      + Meade DSI I & II support.
      + FocusLynx focuser support.
      + PerfectStar focuser support.
      + World Coordinate System (WCS) support in generated FITS.
      + Updated Losmany driver.
      + New Celestron driver.
      + New IEQPro driver.
      + Support for custom parking in dome drivers.
      + Support Open Loop dome controllers.
      + Various QHY CCD & Filter Wheel fixes and QHY OSX support.
      + SBIG External Guide CCD fixes.
      + Custom parking support for Celestron/Astrophysics/AstroElectronics/IEQPro
      + Updated ASI ZWO drivers.
      + Updated Apogee library. Improved NET support in INDI Apogee driver.
      + Standarizing mount slew and track rates.
      + Video4Linux 2 fixes and improvements: (16bpp pixel formats(Y16 and BYR2), pwc flashled, colorSpace/linearization, stacking), Simutaneous record/stream/exp. Stream rate divisor. Rec. file patterns.
      + EQMod fixes: Keep tracking after joystick motion is stopped. Park initialization always set encoders.
      + Improved support for drivers on ARM architecture.
      + Improved logging capability.
      + Deprecated: LX200Legacy and indimain library.

From 0.9.9 to 1.0.0

      + 3rdparty: Support for QHY CCDs and CFWs (BETA).
      + 3rdparty: Support for Meade DSI (BETA).
      + 3rdparty: Support for FFMV cameras.
      + Support for STAR2000.
      + Support for Baader dome.
      + Support for Baader SteelDrive focuser.
      + Support for dome slaving (BETA).
      + Subframing and debayer support in GPhoto driver.
      + Improved CFW handling and external tracking CCD for SBIG CCDs.
      + Add debayer support for color cameras with user-configurable options. Debayer is performed at the client level.
      + Fixed deinterlacing and subframing support in Starlight Xpress drivers.
      + Fixed issues with joystick support in some drivers. Added joystick support to focuser and filter wheels.
      + Improvements in generation of FITS header.
      + Improvement in performance of some drivers under SBCs like Raspberry PI.
      + Added fan and readout speed controls to QSI CCD.
      + Fixed locale issue in INDI driver.
      + Fixed regression in LX200Basic driver.
      + Fixed issue with INDI Server resetting environment variable for skeleton and config files.
      + Various fixes for loading/saving of user configuration.
      
From 0.9.8 to 0.9.9

      + Thread-safe INDI Library.
      + Support for Rigelsys NFocus Focuser driver.
      + 3rdparty: Additional VID/PID for QHY.
      + 3rdparty: added USB Bandiwdth control for ZWO Optical cameras.
      + 3rdparty: Updated and improved INDI Apogee driver and Apogee Library major update.
      + 3rdparty: Live preview support for GPhoto driver. Tested on Canon.
      + 3rdparty: Various bugfixes and improvements in INDI SBIG driver including working guide chip support.
      + 3rdparty: Fixed time drift error in EQMod. Added Horizon limits. Added Backlash comp.
      + Updated and improved Image Agent.
      + Improved Astrophysics driver support.           
      + Fixed location bug in Celestron GPS driver.
      + Additional information in FITS header such as filter name.
      + Joystick support for focuser and filter wheel devices.
      + Added option to enable local & remote save for FITS images in all CCD drivers.
      + Older V4L driver is deprecated (indi_v4l_legacy) and is replaced by indi_v4l2_ccd
      + V4L2: added recording (SER files) for use with Registax
      + V4L2: added RGGB & UYVY pixel format support to V4L2 drivers.
      + V4L2: fixed LX long exposure times.
      + Updated and improved tutorials.
      + Fixed few OSX compatibility issues.
      + Various bug fixes and improvements.      
      
From 0.9.7 to 0.9.8

      + Support for Telescope Alignment Subsystem Infrastructure. This includes an implementation of Markley's singular value decomposition (SVD) based algorithm for the computation of sky/telescope
coordinate conversion transforms, in addition to multiple plugin support.
      + Suppprt for SkyWatcherAPI Mount with Alignment Subsystem.
      + Support for ZWO Optics ASI Cameras (3rd party)
      + Support for AAG Cloud Watcher station (3rd Party).
      + Support for MoonLite focusers.
      + Support for Fishcamp CCDs (3rd Party).
      + Support for Imager Agent.      
      + Improved EQMod driver including custom parking position.
      + New and updated Astrophysics mount driver.
      + New and updated QHY CCD Driver (3rd Party).      
      + New and improved GPhoto driver to support DSLRs.
      + New and updated Video4Linux CCD Driver including support for long exposures (LX) and Imaging Source cameras.
      + New and improved Apogee CCD driver.
      + Improved support for SBIG CCDs including ST-I.
      + Updated and improved TCFS Focuser drivers.      
      + Drivers migrated to libusb 1.0 framework.
      + Rapid Guide Support for CCD Drivers.
      + Improved compatibility with Mac OSX including INDI Server and GUI.
      + Various bug fixes and improvements.

From 0.9.6 to 0.9.7

      + Support for EQMod mount driver (3rd party).
      + Support for ATIK CCDs and Filter Wheels (3rd party).
      + Support for Shoestring Astronomy FCUSB (3rd party).
      + Support for joysticks and game pads under Linux.
      + LX200, Celeston, and EQMod drivers support joystick input.
      + Improved LX200 & Celestron telescope drivers.
      + Improved simulator drivers.
      + INDI server support for multiple devices per driver.
      + New universal logging and debugging framework for INDI developers.
      + Fixed an issue in TCFS driver where a connect may fail if focuser is put into sleep mode.
      + Fixed an issue where the client thread in INDI::BaseClient is not being terminated gracefully in blocking mode.
      + Fixed an issue involving non-English clients that utilize INDI client library to communicate with INDI server.
      + Fixed an issue where some properties in some drivers are sent before getting defined by INDI. 

From 0.9.5 to 0.9.6

      + Support for Starlight Xpress Adaptive Optics unit. 
      + Improved support for Startlight Xpress CCDs and Filter wheels. 
      + Support for Arduino boards, with customizable drivers for common observatory auxiliary devices. 
      + Support for GPUSB Guide Port Interface. 
      + Improved support for QSI CCDs and Filter wheels. 
      + Support for filters with absolute positioning. 
      + Support for cameras with guiding chip. 
      + Fixed INDI server FIFO CPU utilization bug.
      + Fixed various bugs with v4l drivers due to code regression. 
      + Improved support for Mac OS X. 
      + Improved simulators. 
      + _REQUEST properties are now deprecated. 
      + Updated tutorials and API.

From 0.9 to 0.95

      # Focuser simulator driver.
      # CCD, Telescope, Focuser, and Filter simulators improvements including periodic error effects, FWHM, and more.
      # Major improvements to INDI Base Library and INDI Client Library.
      # Fixed minor bugs in LX200 Generic, LX200 FS2, Magellan, and Celestron drivers.
      # Minor bugfixes and improvements.
      
From 0.8 to 0.9

      # iEQ45 GoTo German Equatorial Mount Driver.
      # INDI::Base drivers are now used for most classes of astrnomical instruments.
      # New improved QSI CCD & Filter driver.
      # New improved Starlight Xpress CCD & Filter driver.
      # New improved RoboFocus driver.
      # libboost is no longer required to build libindi.
      # Numerous bug fixes and minor improvements.

From 0.7.2 to 0.8

      # TCF-S Focuser driver.
      # Synscan Telescope driver.

From 0.7.0 to 0.7.1

      # Fixed change filter bug in true technology filter wheel. (JM)
      # setINDI updated and improved. (ED)
      # Improved INDI::Mediator functionality. (JM)
      # Fixed buffer reading in INDI::BaseClient. (JM)
      # Add new tutorial for INDI::BaseClient. (JM).

From 0.6.2 to 0.7.0

      # Dynamic renaming of drivers upon run time.
      # Standard helper API to create and utilize INDI clients.
      # Ability to load driver properties from an external XML file.
      # Ability to write/read XML configuration files for driver values to be loaded at run time.
      # Facilitating debugging and simulation of drivers.
      # New C++ framework to facilitate the development of new INDI drivers.
      # Several bug fixes for current drivers and framework. 

From 0.6.1 to 0.6.2

	# Build related updates.

From 0.6 to 0.6.1

	# Updating drivers.xml to comply to new XML structure for group and devices metadata descriptions.

From 0.5 to 0.6

        # Devices:
                + Astrophysics mount is now working.
                + Apogee driver is now working.
        # Features:
                + New libindi structure to streamline development.
                + Drivers using Standard Property _REQUEST WO to make requests. This facilitates scripting and automation of drivers.
                + Updated inter-driver communication with INDI SNOOP.

From 0.4 to 0.5

	# Devices:
		+ True Technology Filter Wheel
		+ SBIG STV

	# Features:
	     + Added INDI Observer pattern to enable flexible inter-driver communication.
             + getINDI now supports BLOBs.
	     + LX200 Drivers use client timestamp to update the telescope internal clock. The old behavior was to use to system's time.
	     + Added a new INDI Standard Property: UTC_OFFSET.
	     + Dropping threaded INDI server in favor of the slightly better non-threaded version due to performance considerations.

	# Bugs
	     + SBIG CCD driver was updated to fix problems with CFITSIO.
	     + Updated TTY API to include error reporting, in addition to fixing a few bugs.
	     + Fixed INDI Mac OSX Crash.

	# Known Issues
	     + Astrophysics Mount driver (apmount) is not working. It is currently under new development and is intented to be released in the next version as it matures.
             + Meade LPI exposure is locked to 1 second. The Video4Linux support for timed exposures is limited. A fix should be available in the next release.
             + The SBIG driver does not allow autoguiding. When one selects the guider CCD, any exposure on the imaging CCD is cancelled and vice-versa.

From v0.3 to v0.4:

	# Devices:

		+ SBIG CCD
		+ SBIG CFW
		+ RoboFocus
		+ FLI Precision Focuser
		+ Orion Atlas / Sky Scan
		
	# Other:
		+ Added more API documentation and revised existing documentation for accuracy and consistency.
		+ Fixed UTC correction bug in LX200 driver.
		+ Fixed pallete selection in V4L 2 drivers.
		+ Fixed bug in eventloop that can cause IE timers to crash.
		+ Added variable focus speed for Meade Autostar and GPS.
		+ Added CFITSIO, a mature and robust FITS library.
		+ New RS232 API for common access routines.

From v0.2 to v0.3:

	# Devices:
		+ Apogee CCD (Experimental)
		+ SkyCommander
		+ Temma Takahashi
		+ FLI Filter Wheel
		+ Meade Lunar Planetary Imager (Experimental)
		+ Astrophysics AP

	# Other:
		+ Support for Video 4 Linux 2
		+ Multi-threaded INDI server
		+ Binary transfer via BLOB
		+ INDI scripting tools
		+ Various bug fixing

INDI Library v1.1 conforms to INDI wire protocol v1.7
