Datasmith Tessellation does not work as operator in the visual dataprep

UE - Editor - Content Pipeline - Visual Dataprep - Aug 18, 2021

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. ...

Disabling Leap Motion and packaging a game causes an error

UE - Foundation - Cpp Tools - Plugin System - Sep 8, 2015

Disabling Leap Motion plugin from your game and packaging it causes an error to occur. This also occurs on: 4.10.0-2680506 ...

Ensure condition failed: PrimitiveComponent tried to render with Material MaterialInstanceDynamic, which was not present in the component's GetUsedMaterials results

UE - LD & Modeling - Terrain - Landscape - Feb 22, 2017

Top 10 ensure in 4.15. There was a fix submitted for [Link Removed] which was verified as following those steps to reproduce no longer causes this. ...

Crash when selecting ResizeMode "Invalid" of ChangeComponentSize on LandScapeEditor.

UE - LD & Modeling - Terrain - Landscape - Dec 21, 2017

check(0) is used in UpdateComponentCount () of LandscapeEditorObject.h. This looks like an intentional check, but there is a possibility that the user may mistakenly select it. ...

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. ...

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." ...

[Reverb Effect] - Deactivate Reverb Effect Blueprint Doesn't Deactivate Reverb

UE - Audio - Aug 11, 2021

When deactivating a reverb, it's removed from the Activated List, but doesn't get removed from being the active reverb. Confirmed occurs in 4.27 and 5.0 ...