Sim Update 3 Beta (1.5.21.0) Release Notes - July 30th, 2025

RELEASE NOTES Sim Update 3 Beta - 1.5.21.0

If you are playing on PC, outdated packages in your community folder may have an unexpected impact on the title’s performance and behavior.

If you suffer from stability issues or long loading times, move your community package(s) to another folder before relaunching the title.

Stability & Performance

  • Added a graphic settings for fauna density, airport vehicle density, character density and ground aircraft density on Xbox.
  • Added a graphic setting for passive aircraft quality on PC.

Aircraft Core Systems

  • Fixed some emissive flashing issues when disabling an interaction highlight

World

  • Fixed the shape and appearance of distant clouds.
  • Improved the lighting of distant clouds especially when the sun is low in the sky.
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