Unreal Engine Issues
Unreal Engine Issues
Distance Field AO from Moveable Skylight (non-Lumen) invalidates AO incorrectly with a screenspace offset to the right of moving objects
UE - Graphics Features - Mar 25, 2025When Global Illumination is set to “None” in the project settings the ambient occlusion does not correctly render shadows for moving objects. This has been observed in versions 5.4 and above. ...
The Ease function's Blend Exp reverts to its default value after closing/reopening the editor
UE - Gameplay - Blueprint - Jan 20, 2015The Ease function's Blend Exp reverts to its default value after closing/reopening the editor. Reproduced in 4.6.1 binary and in Main (CL-2408355). ...
Project crashes when auto save completes after copy/pasting emitters multiple times in a system
UE - Niagara - Aug 2, 2018Project crashes when auto save completes after copy/pasting emitters multiple times in a system Encountered same crash testing Blend_Attributes_System and ExpressionsExample_System. Doesn't seem to ...
3D Widgets do not render correctly for GearVR
UE - Platform - XR - Jun 15, 20163D widgets attached to the camera render incorrectly when compared to the oculus rift. When the Widget is centered to the camera and attached to it in the Character BP the widget will render incorre ...
Skeletal Mesh rigid body simulation is not being updated with correct bones locations right after Skeletal Mesh is spawned
UE - Simulation - Physics - Nov 5, 2018When simulating in Editor, the Skeletal Mesh bone locations are not being passed into simulate if the simulation is being toggled the same frame when the Mesh is being set on a Skeletal Mesh compone ...
SceneCapture2D Component Show Flags that are Modified in a Blueprint initially are Copied not Referenced
UE - Graphics Features - May 17, 2019If you disable show flags in a SceneCapture2D component of a Blueprint, trying to re-enable them in the Blueprint will not update instances in a level. Anything that was left alone will change along ...
Creating Online Session always fails in Launch mode when loading another map
UE - Networking - Aug 5, 2019Creating an Online Session and transitioning to another map does not work in a Launched Windows game. The transition event does fire but it just resets the players position on the Default map. This ...
Calling Finish Recording Output causes a crash in PIE
UE - Audio - Mar 23, 2020The Finish Recording Output node from the Audio Mixer BP Library crashes due to an invalid Path input. This is a regression from 4.23.1 (CL-9631420). This was reported and tested in 4.24.3 (CL-115 ...
Crash copying all nodes in level blueprint of Audio.umap in ContentExamples
UE - Gameplay - Blueprint - May 11, 2015Crash attempting to copy all of the nodes in the Audio map of the ContentExamples project. Crashreporter: (link to specific crash) [Link Removed] (link to bugg) [Link Removed] Ensure condition fa ...
App on Gear VR crashes when trying to join a listen server as a client
UE - Platform - XR - Dec 10, 2015If the user tries to join a listen server with an app that is running on the Gear VR the App will stop working. ...