Crash when playing a HapticFeedbackEffect_Soundwave

UE - Platform - XR - Aug 30, 2016

Array is -1 indexed, causing a crash. Fix is already in Dev-VR. Integrate to 4.13.1 (CL 3106922) ...

Using the Clean command in XCode prevents the editor from opening

UE - Platform - Apple - Nov 18, 2015

In XCode, if the Product->Clean option is used, the editor from the launcher will not open. Workaround: This can be fixed by running Verify from the Launcher. ...

Button for Swap Paint Color and Erase Color Disappeared.

Tools - Aug 2, 2017

In 4,15, we can use button for swap paint Color and erase color. But, in 4.16 and 4.17, it disappeared ...

Renaming a Blueprint variable loses override in grandchild Blueprint

UE - Gameplay - Blueprint Compiler - Nov 26, 2019

Renaming a Blueprint variable loses override in grandchild Blueprint. Modifying and saving the BP_Child fixes the issue with BP_Grandchild losing overrides.  ...

Stationary directional light per-object shadows not working with origin rebasing

UE - Graphics Features - Dec 2, 2019

Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...

Mac - After clicking, the the Mouse position resets

UE - Platform - Apple - Dec 17, 2019

Unexpected behavior with mouse position on Mac If 'Show Mouse Cursor' is true the problem does not occur. Catalina 10.15.1 ...

FFT corruption in bloom from sampling outside of viewport

UE - Graphics Features - May 27, 2021

Licensee has suggested a fix: "Switching to >= resolves the problem: in GPUFastFourierTransform2DCore.ush, `bool InWindow = ...` at lines 127, 144, 170, and 185." ...

Splitscreen View2 influences translucency in view 1

UE - Graphics Features - Sep 2, 2021

The videos + screenshots in the zip file show the issue on the modified gun sight. The licensee has provided a suggested fix here -[Link Removed] ...

Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

Non-deterministic cooking issue in .uexp of level asset file

UE - Foundation - Core - Cooker - Jan 17, 2023

There is a deterministic cooking issue with .uexp map of level asset. [Link Removed] is the similar issue  fixing by CL#19723275, but it still there.  ...