VS2015 Update 3 prevents the editor from compiling code

UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 28, 2016

Updating Visual Studio 2015 to Update 3 prevents code projects from compiling / creating new code projects ...

[CrashReport] Assertion failed: *LinkedTo == RequestingPin [edgraphpin.cpp:1747]

UE - Gameplay - Blueprint - Aug 29, 2017

This is a common crash occurring in 4.17 and back to at least 4.15. User Descriptionspress cntr Z Source Context 1734 check(ResolveType == EPinResolveType::LinkedTo); 1735 ...

Crash when enabling Display Device Model setting for Motion controller component when no VR device is setup

UE - Platform - XR - Jan 19, 2018

Enabling Display Device Model in a motion controller with no VR device setup will cause the editor to crash ...

Ensures when copy/pasting linked anim bp nodes

UE - Gameplay - Blueprint - Aug 9, 2016

REGRESSION: YesWORKING: 3039270BROKEN: 3081866 Ensures occur when copy and pasting nodes in the Anim Graph. ...

ComponentInstancingData lacks support for FMapProperty

UE - Gameplay - Blueprint - Sep 1, 2020

Map and set container value overrides will be lost in a cooked build for any Blueprint component that's dynamically instanced in a cooked build if the owning Actor class enables the optimized compon ...

[CrashReport] UE4Editor_Engine!UAnimSequence::ExtractBoneTransform() [animsequence.cpp:887]

OLD - Anim - Jan 11, 2018

No comments from user A couple additional crash groups: [Link Removed] [Link Removed] ...

~FStaticMesh() can crash with race condition

UE - Graphics Features - Mar 21, 2017

UDN user reported frequent crashes in FStaticMesh::~FStaticMesh() on DrawListLinks[i]->Remove(false); Crash went away after adding critical sections to FStaticMesh::LinkDrawList(), FStaticMesh::Unl ...

Mutable references MetaHumans heads directly, but DNA Assets are private

UE - Anim - Mutable - Sep 18, 2025

When we switched our project to 5.6.1 This error appeared on build. The compilation of the Mutable assets in the editor is not reporting any issue. ...

Crash editing Transition Logic after deleting State and Transition in State Machine

UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020

Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...