Unreal Engine Issues

Decal Fading parameters are completely broken

World Position is incorrect when used to control the opacity mask in a nanite spline mesh

When calculating the opacity mask, Nanite spline meshes do not have the correct World Position in the Material. This leads to visual artifacts when the mask relies on the world position. ...

Changing transforms to absolute in parent blueprint does not propagate to child blueprints in the level

If the transforms for a blueprint component are changed to "absolute" location and/or rotation, new child blueprints created will correctly show the absolute location/rotation changes, but the child ...

[CrashReport] UE4Editor-Core.dylib!<Unknown>

Crash Reporter Link: [Link Removed] User's description in Crash Reporter: Clicked on the + button to GameModeOverride in the World Settings panel. ...

Importing FBX file with same material slots and texture names has bugs

When importing a file from Blender, UE creates the correct number of materials, but the number of textures is incorrect and is being overwritten, and not importing the correct amount. Tested and re ...

Input consumed by a widget's action binding can be skipped if using key modifiers

The following code in UPlayerInput::GetChordsForKeyMapping is at fault for this:  !(KeyMapping.bAlt || KeyMapping.bCtrl || KeyMapping.bShift || KeyMapping.bCmd || ActionBinding.KeyEvent == EInputEv ...

ETriggerEvent::Canceled is not set when the player controller is set to "UI Only" in Enhanced Input

From the UDN:When setting the PlayerController input mode to "UI Only", all game inputs are blocked/frozen to their current state, and release (ETriggerEvent::Canceled) is not called on them. Any in ...

World position offset (WPO) and nanite enabled causes shadow of complex static mesh actor to be deformed at a specific distance

Context / Problem: Complex static mesh actors with nanite enabled and Evaluate World Position Offset (WPO) enabled works together except for a specific distance where the shadow is deformed and sort ...

Crash when setting Project to only use Windows and DX11 with texture compression as BC7

When user sets their texture compression to BC7 while the project settings are set for Platform to only be Windows and use only DX11 this will cause any textures with this set to cause a crash when ...

Adding a UMG widget to the viewport twice results in a crash.

Attempting to add the same widget to the viewport twice will result in an assertion and crash. ...