UMG - Drag/Drop crash on exit when dropping back onto an old slot.

UE - Editor - UI Systems - Jan 7, 2015

When dragging and dropping a widget onto an old slot, it resulted in a crash on exit. ...

Clicking "Pause on Impact" with in the details of the InterpToMovement component will cause a crash

UE - Gameplay - Blueprint - Apr 30, 2015

When checking the "Pause on Impact" check box within the details panel for the InterpToMovement component, the editor crashes ...

[CrashReport] Mac crash - libobjc.A.dylib!objc_retain() [UnknownFile]

UE - Platform - Apple - Nov 10, 2017

This is a longstanding but low frequency Mac crash. User DescriptionsChanging camera shake values and testing in a new editor window Callstack from Log[2017.11.09-19.23.22:392][ 63]LogMaterial: Mi ...

User is crashing when transferring files from an older project to a new template

Tools - Feb 4, 2015

User is crashing when they attempt to copy files over into a new project and then load up the new project. CrashReporter: [Link Removed][Link Removed][Link Removed] Log files are also attached to ...

Crash in FTickFunction::RegisterTickFunction

UE - Gameplay - Jan 31, 2017

Per https://udn.unrealengine.com/questions/319627/uworldspawnactor-with-template-parameter-causes-cr.html ...

Switching raytracing console variable in runtime can crash engine.

UE - Graphics Features - Lumen - May 13, 2020

Licensee reported that is caused by missing ECVF_RenderThreadSafe flag in these console variable definitions. r.RayTracing.Shadows r.RayTracing.AmbientOcclusion r.RayTracing.Reflections Here is a ...

Static lighting crash on 5.4 when using landscape with WPO

UE - Graphics Tools - Terrain - Landscape - May 22, 2024

When static lighting is built for a landscape with "Use Material Position Offset in Static Lighting" enabled it causes an editor crash. Licensee mentioned it was likely caused by a commit for 5.4, C ...

Crash when IK Anim Node is used in post process blueprint.

UE - Anim - Rigging - Retargeting - Nov 5, 2024

If an IK Anim node is used in a post-process animation blueprint when that post-process blueprint is active in persona. It will crash attempting to get dynamically created goal components from an ac ...

Crash due to trying to run node of Editor Scripting category

UE - Gameplay - Blueprint - Jul 12, 2018

Application crashes when using nodes in Editor Scripting category in package. The reason is that the processing of the node in the Editor Scripiting category is surrounded by #if WITH_EDITOR.  As ...

Linux: Crash during shutdown

UE - Platform - Linux - Jan 11, 2017

Noticed this from having my Terminal open. ...