Level editor viewports crash when deleting actors after a layout change

UE - Editor - Workflow Systems - Apr 18, 2022

Reported by a customer while testing USD import. See additional URL ...

Launching from the editor can cause certain maps to become dirty and require saving and/or checkout

UE - Foundation - Core - Cooker - Sep 21, 2016

Using the launch option in the editor will cause some maps in the "List of maps to include in a packaged build" to become dirty and require checkout when in a project that is connected to source con ...

Epic Mannequin's Material Does Not Render Correctly On Intel HD Graphics

UE - Graphics Features - Feb 1, 2017

The Epic Mannequin no longer renders correctly when using an Integrated Intel HD Graphics 4600 GPU. The character will either have parts of his body hidden(4.14) or completely black(4.15) depending ...

Duplicated bp components incorrectly double their transforms when created

UE - Gameplay - Blueprint - Jan 4, 2017

Add a light to a blueprint Move it away from the origin Right click on the component and duplicate it Notice that the new light is now a child of the previous light and that its transform is now in ...

[CrashReport] UE4Editor_Engine!USkeleton::GetMeshLinkupIndex() [skeleton.cpp:420]

OLD - Anim - Jul 19, 2017

This is a common crash affecting users in 4.16, unfortunately they have not provided any additional information. Source Context 406 if ( IndexPtr == NULL ) 407 { 408 L ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState()

UE - Graphics Features - Aug 10, 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: SEGV_MAPERR at 0x3 Most recent us ...

Undoing the pasting of a copied node from the Blueprint Diff tools causes an access violation crash

UE - Gameplay - Blueprint Editor - Aug 24, 2017

The editor crashes with an Access Violation if a node that was copied and pasted from the Blueprint Diff tools is removed via an undo. Regression?: No This issue also occurred in 4.16 Branches tes ...

Planes have a Mesh Distance field exceeds the size of the original mesh

UE - Graphics Features - Sep 20, 2017

Planes have a Mesh Distance field exceeds the size of the original mesh when the value is set to 2. This behavior does not seem intended as the cube does not experience this issue when the value is ...

[CrashReport] Fatal error: Cast of nullptr to Object failed

UE - Gameplay - Oct 5, 2017

This is a common and longstanding crash that has affected many users since at least 4.11. Source context not available (error in user code?). User DescriptionsI was duplicating a Set function in c ...

Editor stalls on Mac after key up, mouse up

UE - Platform - Apple - Dec 19, 2019

UDN user reported a performance hit on Mac with the latest Hotfix release when the user is interacting with the editor either through keyboard or mouse input. This performance hit is noticeable whe ...