Unreal Engine Issues
Unreal Engine Issues
Clicking the Closed Loop check box for a Blueprint SplineComponent crashes the Editor.
Tools - May 12, 2015Clicking the Closed Loop option in a new Spline Component results in the Editor crashing. This only occurs in 4.8 Preview 1 (so far). 4.7.6 and Main appear to be working correctly. ...
Moving Landscape causes Crash with Landscape Grass Output in Landscape Material
UE - LD & Modeling - Terrain - Landscape - Jun 16, 2016Editor crashes when utilizing the Landscape Grass Output node within a Material, and then attempting to move the landscape with the material applied. I narrowed this down to being directly related ...
Set Component Tick doesn't work on Cascade Particle Systems
UE - Niagara - Jul 31, 2019Changing the Component Tick Interval via Blueprints has no effect on Cascade particle system components. Tested in 4.21.2 (CL - 4753647), 4.22.3 (CL - 7053647), 4.23 P3 (CL - 7445012), 4.24 (CL - ...
Opening Materials and Material Functions with Vertex Interpolator node Results in Crash
UE - Graphics Features - May 23, 2018Per Licensee: Hello, We are migrating our project from 4.18 to 4.19.2 and we are encountering various crashes while opening our material and material functions. I'm adding a simple test case here. ...
Temporal Super Sampling flickering temporal analysis visualisation mode indicates temporal analysis disabled for all objects on screen
UE - Graphics Features - Jan 24, 2025This can also be observed while running in PIE mode using the console command "r.TSR.Visualize -2". It is not clear whether it is only the TSR flickering temporal analysis visualization that is exh ...
[CrashReport] UE4Editor_UnrealEd!SaveWorld() [filehelpers.cpp:359]
Tools - Aug 31, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: !bIsReentrant [L ...
Splash screens do not appear in Gear VR
UE - Platform - XR - Apr 28, 2017A splash screen that has been set up in the DefaultEngine.ini with the following settings does not show in Gear VR[Oculus.Splash.Settings] bAutoEnabled=True TexturePath=/Game/Texture/AICON-Green ...
Regression: FGameplayTag and FGameplayTagContainer pin value modification is not undo/redoable
For nodes with an FGameplayTag or FGameplayTagContainer pin, when changing the tag value (Pin->DefaultValue) and triggering Undo/Redo, the pin modification is not undone. Rather, it undoes the previ ...
Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection
UE - Rendering - Architecture - May 30, 2025Crash in FUniformExpressionSet::FillUniformBuffer trying access deleted UTextureCollection (Experimental in 5.6). The licensee describes their crash, their analysis, and a proposed fix: This crash ...
Crash Occurs on Project Load When Casting a Child Actor Component's Parent to the Parent Class
UE - Gameplay - Blueprint - Dec 5, 2016A crash is occurring on project load when attempting to use GetParentActor and cast that to a Parent class that contains a child actor component inside of that child actor component's blueprint. T ...