Assertion failed: PlatformNeedsExtraDeletionLatency()

UE - Rendering Architecture - RHI - Mar 5, 2019

Animating a HISM along a spline when many other HISMs are present will result in a crash in 4.22. Confirmed in 4.23 MAIN @ CL 5291468 ...

[CrashReport] UE4Editor_UnrealEd!FBlueprintEditorUtils::FindBlueprintForGraphChecked() [blueprinteditorutils.cpp:2206]

UE - Gameplay - Blueprint - Aug 29, 2017

This is an infrequent crash coming out of the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 2200 // Helper function to get ...

Assertion thrown while creating a Geometry Collection with Hardware Raytracing enabled along side r.RayTracing.Geometry.GeometryCollection 1

UE - Graphics Features - Apr 26, 2022

A raytracing project with hardware raytracing enabled and r.RayTracing.Geometry.GeometryCollection set to 1 triggers a crash when trying to create a geometry collection. ...

[CrashReport] UE4Editor_Engine!FInterpolateComponentToAction::UpdateOperation() [interpolatecomponenttoaction.h:115]

UE - Gameplay - Blueprint - Aug 3, 2015

Crash Report [Link Removed] Access violation - code c0000005 (first/second chance not available) This bug is distinctive in that when you return to the AnimBlueprint Event Graph from another tab/O ...

Invalid access location compressing a BC6h texture in the editor

RAD - Oct 29, 2024

Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...

Long paths are not supported in NET 4.5

UE - Foundation - Cpp Tools - Aug 21, 2018

The editor has been modified to support long file names, but the packaging pipeline (which is written in C#) needs to be upgraded to NET 4.6.2 to enable this. Without enabling it, it crashes with a ...

[CrashReport] ispc_texcomp!<Unknown> - while launching to Android

UE - Platform - Mobile - Oct 25, 2017

This is an early crash coming out of 4.18 that appears to occur when launching projects onto Android devices. It also seems frequently related to ARCore. User DescriptionsSo this is the example pr ...

Potential Memory Leak with Disaster Recovery Plugin

Tools - Aug 12, 2019

Enabling the disaster recovery plugin causes a memory leak when importing and editing a large amount of textures. This can result in either a system lockup or a crash. ...

LandscapeMountains demo has large performance drops at various locations around map

Docs - Samples - Dec 2, 2014

Landscape Mountains experiences heavy performance drops at various locations on map, specifically around ice lake in middle of map or when crashing. FPS varies from 50 FPS down to 11 FPS. ...

Converting Texture Sample to Parameter when MipValue set to "Level" or "Bias"

UE - Rendering Architecture - Materials - May 27, 2015

When a Texture Sample's MipValue is set to something other than "none" (which adds the extra pin), attempting to convert that Texture Sample to a parameter will cause the Editor to crash. (Simple r ...