Changelog 2017.2

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This changelog is a draft.

This changelog is currently being written for the FlightGear v2017.2 release. Feel free to help! If you are aware of any FlightGear related changes, please add them to the changelog.

Major enhancements in this release


Aircraft Modeling

  • Added support to allow a geometry object (a line segment with two vertices) that is used to define both the centre and the axis for an animation. This will work with rotate, translate and the knob animations.


Atmospheric Light Scattering

  • G-force effect with greyout and tunnel vision
  • HUD effect simulating more realistically the appearance of light projected onto glass
  • Improved Aurora shader

Environment Rendering

  • Added a normalmap to the Earthview clouds and landscape
  • Added a lightmap to Earthview at night, including thunderstorm visuals
  • Earthview atmosphere Rayleigh scattering added



  • A new, modern splash screen together with start-up tips.
  • The --launcher's design is reworked.


  • Improved aircraft discovery: Search tags and large screenshots in the launcher.



  • Enhancements for the integration of osm2city generated sceneries:
    • Textures and effects are now part of FGData and therefore do not need to be distributed separately.
    • Traffic shader visualising cars on streets based on street type, time of day etc.
    • Shader for lit streets

Canvas System

  • additional APIs to update text elements more performance-friendly

Nasal Scripting

  • get_cart_ground_intersection() and aircraftToCart() added.


Highlighted new and improved aircraft

  • Space Shuttle milestone 8 with complete 3d cockpit
  • Saab Draken
  • Mirage 2000
  • Saab Viggen
  • Ercoupe with completely re-worked 3d model and effects
  • Improvements to many AI aircraft


Parameter --log-file renamed to --log-dir (FlightGear commit dab685).

Bug fixes

  • See our bugtracker for a list, albeit incomplete, of the bugs fixed in this release.