Unreal Engine Issues
Unreal Engine Issues
SetCollisionProfileName and SetCollisionEnabled aren't working in Construction Script
UE - Simulation - Physics - Dec 5, 2019This is a regression from 4.22.3 (CL-7053642) where this setup executed as expected. Toggling Collision Profiles in 4.23.1 (CL-9631420) and onward do not affect the Static Mesh and it acts as if it ...
Components tree is ending up with duplicate entries (same pointer added to the list view more than once), causing an assert
UE - Gameplay - Blueprint Editor - Jul 19, 2017This is a common crash affecting users in 4.15 and 4.16. Over 200 unique users have been affected. User DescriptionsCamera Component Drag Drop Error 카메라 컴포넌트를 이벤트 그래프에 드래그 하는 도중 에러 발생 Creating a ne ...
'Can Jump' functions differently in 4.13
UE - Gameplay - Sep 2, 2016'Can Jump' functions differently in 4.13 User Description: "Can Jump" doesn't update in an appropriate manner in 4.13. In 4.12 it would return true while grounded, false while in the air, and the ...
Light function does not work with volumetric fog when not compatible with light atlas
UE - Graphics Features - Mar 28, 2025Light functions do not work as intended with volumetric fog when using clamped mask textures which are not compatible with the light function atlas. In light functions materials, when using any UV ...
DDC corruption creates incorrect pasted topology when using Landscape Copy / Paste Tool
UE - LD & Modeling - Terrain - Landscape - Apr 3, 2017I noticed that the copy and pasted section of the level was being painted while I was painting a nearby section of the level. This weird yellow color appeared and I undid and redid the paint to make ...
Morph target normals not correctly applied when imported as LOD 0
UE - Editor - Content Pipeline - FBX - Nov 27, 2025This is a regression since 5.5 with skeletal meshes where morph target normal/tangent deformation only works when a mesh is imported as a LOD of an existing skeletal mesh, but not when imported as L ...
[MetaSounds][Wave Player] - Looping sound waves is not sample accurate
UE - Audio - MetaSounds - Aug 8, 2022When playing the two metronome sounds, it is expected that when the 1bar asset loops, it will stay in time with the 12 bar asset; however, instead phasing begins to occur. This does not occur when ...
PlatformerGame app crashes after opened on tvOS
UE - Platform - Mobile - Nov 30, 2016PlatformerGame is crashing when packaged and launched on tvOS. Assertion from console log:Nov 30 11:03:12 Apple-TV-Joey PlatformerGame[519] <Notice>: Assertion failed: FMath::TruncToInt(drawableSize ...
World Partition - Deleted actors can become unloaded prior to saving
UE - World Creation - Worldbuilding Tools - World Partition - Apr 11, 2025In world partition levels, deleted actors can become unexpectedly unloaded prior to saving, causing loss of work. Specifically, this issue occurs after the undo history has been cleared (either manu ...
Typo in "BaseEditorSettings.ini": under section [/Script/UnrealEd.ContentBrowserSettings], key "DisplayPluginFolder" (singular) should read "DisplayPluginFolders" (plural).
UE - Editor - Workflow Systems - Oct 11, 2025File "<ENGINE_PATH>/Engine/Config/BaseEditorSettings.ini" contains the following setting: [/Script/UnrealEd.ContentBrowserSettings] ; Whether to display the game project plugins in the Content Brow ...