Crash When Renaming a Duplicated Collapsed Node Graph With a Period in the Name

UE - Gameplay - Blueprint - Feb 3, 2017

A crash is occurring if you collapse a node and name the collapsed graph something that contains a period. The crash occurs if you copy and paste the collapse graph, and then attempt to rename it. I ...

Editor crash on loading a project after enabling the Tango plugin on Linux

UE - Platform - Linux - Aug 22, 2017

Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...

USplineComponent::GetDistanceAlongSplineAtSplineInputKey returns incorrect result when input keys are not sequential

UE - Editor - May 18, 2022

USplineComponent::GetDistanceAlongSplineAtInputKey() returns the wrong value when the input keys are not sequential because it interprets the input key argument as the spline point index. Thus if th ...

[CrashReport] UE4Editor_PropertyEditor!SPropertyEditorAsset::GetObjectPropertyClass() [spropertyeditorasset.cpp:966]

Tools - Nov 23, 2016

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: Class != NULL [Link Removed] [Line: 965] Source Context: 95 ...

Editor crashes while saving or closing after heightmap import

UE - LD & Modeling - Terrain - Landscape - Aug 5, 2016

Editor crashes while attempting to save or close project after importing a landscape from a heightmap. Frequency: 2/2 Crashreporter: [Link Removed] Regression (yes) issue (does not) occur in 4.1 ...

ComponentOverlapMultiByChannel with a rotated simple collision PrimComp misses overlap vs. complex collision

UE - Runtime - Simulation - Nov 8, 2023

UWorld::ComponentOverlapMultiByChannel and internally, the call to FBodyInstance::OverlapMulti, misses overlaps and blocking hits when the PrimComp's (the component used to test overlaps) mesh uses ...

"SetOwnerNoSee" setting does not work on Nanite meshe

UE - Graphics Features - Nanite - Nov 15, 2022

Licensee description of project: There is a pawn with 4 cubes attached, the 2 red on the left are "normal" static meshes, and the 2 green on the right are Nanite meshes. The 2 bottom cubes have "se ...

Instance's parameter value for Child BP is not reflected in cooking if parent is nativized

UE - Gameplay - Blueprint - Jul 31, 2018

If an instance of a child BP has a non-default value for its parameters, that value will be ignored in the cooking process if the parent BP is nativized but the child is not and the default value fr ...

Setting AnimationMode to "UseAnimationAsset" inside Sequencer might not be set properly.

zComponent - Archive - Sep 30, 2024

Adding a new key inside a LevelSequence that changes the AnimationMode of a SkeletalMesh to "Use Animation Asset" can bug out the AnimationMode constantly change between "UseCustomMode" and "UseAnim ...

Niagara Emitter editor forgets Timeline playback ranges

UE - Niagara - Sep 14, 2020

This seems to only affect an emitter and not a system asset. ...