Unreal Engine Issues

FlushPressedKeys doesn't clear EventAccumulators, resulting in stale data

From the user:  The root of the problem appears to be that KeyState.EventAccumulator still has events stored in the structure for 'LeftAlt'. So, although UPlayerInput::FlushInput is called when the ...

UMG Animation MPC track cannot preview

The reason should be in FMaterialShader::GetParameterCollectionBuffer , Scene is nullptr and cached value GDefaultMaterialParameterCollectionInstances ** doesn't update. ...

Request to ensure all setup parameters have units described in tooltips

UDN customer requests that all parameters have units in their tooltips. Need to do a sweep and check what might be missing. This is not a regression, the information will have never been their in t ...

Crash when calling FillDataTableFromCSVString() while viewing the contents of the data table

When the function UDataTableFunctionLibrary::FillDataTableFromCSVString() is used from Editor Utility Blueprints or Python Scripts, and the contents of the affected Data Table are currently being vi ...

UnregisterAsyncPhysicsTickActor not being called when actors end play via UWorld::RemoveFromWorld

Pixel Inspector does not display Gbuffer values properly when a mesh with a material that has Anisotropy set is in Level

This issue occurs when there is a material with Anisotropy, like the attached GIF.[Image Removed] ...

TSR: tighten the size of the history update's clamping box

The UI layer system in Lyra leaks widgets when changing level

Applied external forces to vehicles may be nullified by sleeping

If Entering sleeping state and applying external force are same time, the external force is nullified and the vehicle stops immediately. p.Chaos.Solver.SleepEnabled 0 or __ setting SleepLinearVel ...

Specular/Anisotropy problems with Nanite Meshes

Specular highlights can disappear with clearcoat materials, when "Clear Coat Enable Second Normal" is enabled ("r.ClearCoatNormal"). ...