Unreal Engine Issues

Physical Material Mask does not return the correct value

Adding/Removing a Material Layer on a Parent Material doesn't propagate to Children correctly

When a Material Layer is added to or removed from a Parent Material the layer changes don’t automatically propagate to Child Materials correctly even if the Parent Material is saved. The Child mate ...

Timeline Scaling to 0,0,0 scales past 0 to negative values

Scaling objects via a timeline scales past the intended value when attempting to scale to 0,0,0. Instead of ending at 0,0,0 the scale will be set to an extremely small negative value such as -.0019, ...

Lighting Build fails with World Settings Error

Lighting Builds seemingly successfully but produces a Map Check Error for World Settings. There are several things that can be done to "eliminate the issue" and I have separated them into different ...

Hot Reload not updating variables that have their values set in the constructor

If a variable's value is being set in the construction script of a class and then that value is edited (the line itself is edited, not another setting of the variable), hot reload will not update th ...

Performing a hot reload on a project that contains an FStringAssetReference will crash the Editor.

Performing a hot reload on a project that contains an FStringAssetReference inside a struct results in a crash. This was reported to work fine in 4.6.1, but I was unable to verify that is the case. ...

Skeletal Meshes load unused textures into memory from hard referenced assets. (Skeleton, Physics Assets)

Physics Assets & Skeletons referenced by the skeletal mesh will load materials & textures from their default skeletal meshes into the statistics window. Either the statistics window is incorrect abo ...

[Spatialization] - When a sound starts playing while the listener in in the Binaural Radius, when they exit the sound stops playing

If a sound starts playing while the listener is inside the binarual radius, the sound stops abruptly when they leave the radius. Does not occur if the listener starts in the binaural radius. Does no ...

EditInlineNew properties on components don't work if the component name has whitespace

EditInlineNew properties on components can't be properly set if the component name has whitespace in it. This appears to be a problem with resolving the property name in SPropertyEditorEditInline::O ...

Translucency area has stripe-style issue on TSR

The TSR History Rejection buffer develops a grid-like artifact over translucent, camera-facingplanes. This problem can be mitigated by increasing r.TSR.ShadingRejection.TileOverscan from 3 to 4 with ...