MSFS Development Update – October 16th, 2025

The Weekly Development Update of MSFS. the release of two new beta test builds for Sim Update 4 for Microsoft Flight Simulator 2024. You can read the changelog for these two test builds at the links below:

Stability & Performance

  • Fixed ocean tiles flashing white when navigating the world map
  • Improved loading of runways materials during RTC
  • Fixed concurrent accesses to Atmosphere Cache which could lead to crashes when add-ons write to AIRSPEED SimVars
  • Fixed crash occurring sometimes when default audio device is not available
  • Fixed stutter in ATC panel when receiving new messages
  • Fixed a crash when manipulating departure/arrival info in freeflight
  • Fixed fps drop due to tessellation on DEM skirts

General Bug Fixes

  • Fixed character portraits sometimes being empty after booting the game
  • Fixed an issue where the detailled list of controls could be visually empty after modifying a control
  • Fixed an issue where the arrows on the tabs of the ATC were not always present
  • Fixed an issue where resizing the window would break some UI elements in the game
  • Fixed custom aerials sometimes creating tiling or black tiles

Aircraft Core Systems

Electricity system

  • Fixed an issue that caused some lights to not work properly when using _SET events with an index as parameter.

Passive Aircraft

  • Bell 205 fixed Main Rotor not spinning at certain LOD ranges + Added Green Livery

Airports

  • COMMUNITY FEEDBACK: Fixed floating jetways

DevMode

Scenery Editor

  • Avoid CPU max out at 100% when editing airports. Changed “Hide / Skip vegetation details” to “Hide / skip ground details”

SDK

WASM API

  • Added a C++ Wrapper arround Vars API in SimUtils Library

Stability & Performance

  • Fixed a crash occurring when switching Antialiasing
  • Add new Multiplayer replication models option (High Fidelity/Simplified)
  • Fixed an issue that could lead to out of memory

General Bug Fixes

  • Fixed HUD color randomly changing after flight restart
  • Fixed an issue where the “Unbind” button in the input bar could be displayed after going through the “controls” menu
  • Fixed an issue where the user had to be hovered on the text box in the multiplayer chat field to be able to type in it

Missions

Search & Rescue – Hoist (Rotorcraft)

  • Fixed rescuer not going down while hovering over the target

Airports

  • Fixed floating lights when launching a flight

MyLibrary

  • Fixed the community content not appearing individually in my library

Activities

Training

  • Fixed briefing text in VFR – Departure training to match new Navigation Log in EFB

In addition to the SU4 beta, They also currently running a test for the upcoming PlayStation 5 and PlayStation 5 Pro releases of Microsoft Flight Simulator 2024. As you can read here.