[Sound Submix] - Dry Level of a Submix is calculated differently whether or not there is an effect in the chain

UE - Audio - Submixes - Jan 21, 2021

There is a discrepancy is how the output volume of a submix is calculated when the effect chain is and is not populated. When there is no effect on the submix, the Dry Level adds additional gain to ...

Invalid GUIDs on new material instance parameters cause overrides to break on base param rename

UE - Rendering - Architecture - Materials - Sep 3, 2025

When a parameter value is assigned on a newly created material instance (constant or dynamic) using Set***ParameterValueInternal, the parameter’s ExpressionGUID is left invalid (0,0,0,0). Parameter ...

(Linux) - Editor crashes out when any change in project files

UE - Rendering - RHI - Oct 23, 2026

POST LINK: https://forums.unrealengine.com/t/linux-editor-crashes-out-when-any-change-in-project-files/2733237 POST BODY:Summary Ue 5.8 Fresh install and basically fresh project. Any time Ue detec ...

Adding a Reroute node to a function's array output will cause the Function node to be missing the output

UE - Gameplay - Blueprint - Mar 26, 2015

Adding a Reroute node to a function's array output will cause the Function node to be missing the output. This seems to be only effecting Arrays. Standard variables work fine. ...

Set Ignore Look Input stacks the resulting value each time it is called

UE - Gameplay - Jan 5, 2015

Set Ignore Look Input stacks the resulting value each time it is called. If Set Ignore Look Input is called more than once with the same value, it will take as many calls with the opposite value to ...

[CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::GetOutermost() [uobjectbaseutility.cpp:118]

UE - LD & Modeling - Terrain - Landscape - Jun 6, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Access violation - code c0000005 (first/second chance not available) Source C ...

[CrashReport] UE4Editor_Engine!TArray<FVertexFactoryTypeDependency,FDefaultAllocator>::ResizeTo() [array.h:2372]

UE - Graphics Features - Jul 5, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Source Context:2357 FORCENOINLINE void ResizeShrink() 2358 { 2359 co ...

[CrashReport] UE4Editor_Core!FText::FText() [text.cpp:165]

Tools - Jan 12, 2017

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

Crash when editing members of a struct contained within a UObject instanced inside a USceneComponent

UE - Editor - Jan 24, 2024

When implementing a USceneComponent in C++, one may want to add one or more internal UObjects to hold some data or perform specific tasks (this is also done by several UE built-in components). These ...

Global SkyAtmosphere and Clouds Issues (Cloud Shadows)

UE - Rendering - Features - Dec 3, 2024

Sampling Cloud Shadows when rendering the Sky Atmosphere can incorrectly assume that the view is located at the planet's North Pole. This causes distortion in the shadows when using a sphere-shaped ...