Unreal Engine Issues
Unreal Engine Issues
Wind affects cloth in scene when there is no Wind Directional Source actor placed
UE - Simulation - Physics - Character - Jun 22, 2015If a character with a cloth simulation or a mesh with a cloth simulation is in the scene there is wind force that is being applied to the cloth. The only way to remove this is by setting a Wind Dire ...
Unreal Logo in Display 3.1 Continues to Spin After Button is Turned Off
Docs - Samples - Sep 21, 2016While writing test cases for the Blueprint Communication Content example, I came across this inconsistency. The logo continues to spin even after the button is no longer active. I expected the logo ...
Only exactly matching structures are considered compatible
UE - Framework - Blueprint Compiler - Dec 31, 2022in UE 5.0.2 open TestActor Blueprint compile correct. but in UE 5.1 Blueprint Compile not correct ...
Editor ensure in USceneComponent::OnComponentDestroyed during Blueprint compilation GC
UE - Framework - Components - Jan 15, 2026An editor-only ensure can trigger during BP compilation when garbage collection cleans up transient components created as part of component replacement. During recompilation, old component instances ...
Can Ever Affect Navigation does not detect updates to collision settings at runtime
UE - AI - Jan 27, 2016When a mesh has its collision updated during runtime the navigation around the mesh does not update. Workaround: If the mesh is set to simulate physics then updates to its collision will update nav ...
Typos in Math_Hall of ContentExamples
Docs - Samples - Sep 20, 2016Need to update label from 0 to 1 on the left slider of display 1.6Need to update labels for small slider on display 1.10 to display 0, 1, 2 as those values can go up to 2Need to update 1.12 Example ti ...
Gamepad_Special_Left is bound to different buttons on Windows and Mac for P.S4/5 Controllers
UE - Gameplay - Input - Apr 20, 2022On Windows: Gamepad_Special_Left is triggered by pressing the touchpad button On Mac: Gamepad_Special_Left is triggered by pressing the "Share" button ...
Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly
UE - Simulation - Physics - Sep 11, 2015When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...
Landscape HLODs are broken in 5.7.2 (Github Release branch)
UE - Engine Scaling - Streaming - HLOD - Feb 6, 2026Landscape HLODs are broke when build from Editor. See repro steps above. I have not provided a repro project as it uses the open world starter map. Note that current Main has additional bugs that o ...