Unreal Engine Issues
Unreal Engine Issues
Editor crash when Use Dynamic Material Instance is set to "True" on landscape
UE - LD & Modeling - Terrain - Landscape - Mar 23, 2018Setting "Use Dynamic Material Instance" to true in the landscape details will cause the editor to crash. Reproduced in 4.19.0 CL 3944462 and 4.20 Main. This feature is not available in 4.18.3. ...
[Audio][Niagara] - Audio Spectrum only reacts to Channel 0, despite setting to another channel
UE - Audio - Submixes - Jun 6, 2023While doing some extra testing of the Submix Analyser fixes, I noticed there is a setting to set the channel of the submix to give the analyser. It always works for channel 0, but changing it to any ...
Doing a Rebuild in Visual Studio fails to compile
UE - Foundation - Cpp Tools - UnrealBuildTool - Apr 19, 2016Attempting to use the Rebuild option in Visual Studio will fail to build the project. It instead produces a message that "Epic was unexpected". ...
OnComponentWake Event does not trigger when the physical body is awoken by a Force
UE - Simulation - Physics - Feb 27, 2025OnComponentWake Event does not trigger when the physical body is awoken by a Force. The steps described on Steps To Reproduce is enough to replicate this behavior. The OnComponentWake event is only ...
Cannot continuously change Bone Name in SkeletalMesh Sampling Settings
UE - Anim - Jun 14, 2024An access violation occurs in FNiagaraSkeletalMeshRegionBoneFilterDetails::HandleBoneNameComboBoxSelectionChanged() due to StringItem is nullptr. SkeletalMeshRegionCustomization.cpp void FNiagaraS ...
Users can create project with name of "Stack" which causes conflict with existing "Stack.h"
Tools - Sep 12, 2016Users can create project with existing name of "Slack" which causes conflict with existing Slack.h. Call stack is log file. ...
Windowed Fullscreen causes Lighting Variations in Rendered Envrionment
UE - Graphics Features - Jan 18, 2016When a scene is light with a single Stationary Directional Light and a Single Stationary Skylight and packaged to use Windowed Fullscreen, there is a difference in how the scene is rendered compared ...
Root Motion from Everything doesn't accept Root Motion from Montages
OLD - Anim - Feb 18, 2016Root Motion from Everything doesn't accept Root Motion from Montages in 4.11. This works in 4.10. Can regress down the issue if needed. ...
Crash on opening Control Rig asset that was created in UE5-EA
UE - Anim - Rigging - Control Rig - Nov 8, 2021This issue was found from an external user on Twitter using UE5-Early Access - [Link Removed] The crash happens on asset load. User says that they were following Gabriele's video - [Link Removed] ...
Framerate drops when using SceneCaptureComponents with a RenderTarget in VR
UE - Platform - XR - May 14, 2018Using SceneCapture in packaged VR projects causes poor performance. Also observed with SceneCaptureCube Does not occur in 4.18 ...