Unreal Engine Issues
Unreal Engine Issues
Automation Wait for Loading node crashing with fatal error in shipping build
UE - Automation Test - Jun 8, 2023Using the Automation Wait for Loading node in a shipping build causes a fatal error when the node is called. This issue is occurring in Binary //UE5/Release-5.2 @ CL 25360045 This issue is occur ...
Crash when force deleting Dataflow Graph
UE - Editor - Jul 31, 2023When force deleting a dataflow graph with the dataflow graph editor open it will crash the engine. This issue is occurring in Binary //UE5/Release-5.3 @ CL 26560699 This issue is occurring in Binar ...
The LightMixer window is making all scene lights visible once you toggle the visibility of a single light
UE - CAPT - Tools - Jul 31, 2025The LightMixer window is making all scene lights visible once you toggle a single light as visible. Any light source (except SkyLight) will be turn visible once a single light is made visible using ...
[CrashReport] UE4Editor-Kismet.dylib!FTabInfo::OnMouseDownHisory(FGeometry const&, FPointerEvent const&, TWeakPtr<SMenuAnchor,()
UE - Platform - Apple - Jul 20, 2017This is a common crash affecting Mac users in 4.16. It has occurred since at least 4.13 ...
Adding Components via Editor Utility Widgets does not add component to Details panel
UE - Framework - Blueprint Editor - Nov 14, 2022Using the Editor Utility Widget to add components to objects in UE does not appear to function as expected. I reproduced this 8/8 times in UE 5.1, 5.0, and 4.27, confirming that this is not a regres ...
iOS ReplayKit isn't working in UE5.1+
UE - Platform - Apple - Apr 21, 2023In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...
Display Texture Atlases in Widget Reflector displaying incorrect tooltips
UE - AI Workflows - UI Systems - Slate - Aug 3, 2023Tooltips within Page 1 of the Texture Atlas Visualizer in Widget Reflector are displaying the incorrect asset. This issue is occurring in Binary //UE5/Release-5.3 at CL 26560699 This issue is occur ...
Sequencer Frames Render Black When Four or Less Frames Are Rendered
zComponent - Archive - Apr 22, 2022Occurs: 5/5 times **MRQ renders black frames when custom playback range is set to four frames or less. Regression does not occur: tested using //UE4/Release-4.27 @ CL 18429761 GH Note: Issue does ...
Typo in Lighting Level for Min Roughness
Docs - Samples - Dec 29, 2014Within the "Lighting' level of the 'Content Examples' project, example 5.4 should say 'Min Roughness' instead of 'Source Radius' ...
Motion Matching FPS instability causes jittering when using the root offset node
UE - Characters - Animation - Feb 23, 2026Offset root node is affected by frame rate and produces jitter in it's motion across various settings and styles. ...