Unreal Engine Issues
Unreal Engine Issues
Imported heightmaps with 2x2 sections crash editor
UE - LD & Modeling - Terrain - Landscape - Jul 18, 2016Importing a heightmap with 2x2 segments seems to cause the editor to crash in 3 different instances: 1. Importing the same 2x2 segment landscape a second time after deleting the first instance 2. ...
Duplicating a Function Containing Add Child Actor Component Causes Changes Made to the Duplicate to be Saved to the Original
UE - Gameplay - Blueprint - Nov 9, 2015When you create a function containing an Add Child Actor Component node, duplicate that function, and then change the Child Actor Class option in the duplicate, the changes are also saved to the ori ...
LIVE: ProjectileMovement component does not function when a PrimitiveComponent is missing or removed from the Components
UE - Simulation - Physics - Nov 18, 2014A projectile brought over from 4.5.1 or earlier that does not have a Primitive Component as the Root, or removing the root from the projectile in 4.6, returns an error: "Movement component [Projecti ...
The 'Add New Key' button does not function within the Actor Sequence Editor within an object that has the Actor Sequence Component.
UE - Anim - Sequencer - Jul 26, 2018The Actor Sequencer Timeline appears to not be able to correctly recognize the variables manipulated within the viewport. Thus, when attempting to add a keyframe after moving a component, within the ...
Editor Crashes when enabling Vertex Colors on an imported Skeletal Mesh with Morph Target Animations
UE - Graphics Features - Oct 11, 2018Licensee wants to be able to import skeletal meshes which have Vertex Colours (their entire game is Vertex Coloured) and Morph Target animation, but they're seeing a crash when toggling Vertex Color ...
Can't access Actor in Sublevel from Persistent Level Blueprint
UE - Gameplay - Oct 17, 2018You are unable to access or create references to any Sublevel Actors in the Persistent Level Blueprint. Licensee reports being able to select the Sublevel Actor and then right-click to create a refe ...
Query Params are ignored when using EQS
UE - AI - Jun 26, 2019Trying to set the Bool Match as a Query Param causes the value to not be recognized. It just thinks the value is whatever default value it has instead of reading it from the params set in the Behavi ...
Lumen lighting in Presentations may appear darker than in Viewport
TM - Rendering - May 22, 2026Reported in SF [Link Removed] In some scenes with Lumen enabled, interior scene lighting without direct lighting can appear drastically darker in Cloud Presentations than they do in the editor view ...
Animation curves on Montages are not remapped when using a 'Compatible' skeleton
UE - Anim - Runtime - Jun 27, 2023[Link Removed] From UDN: If you are using the new compatible skeletons feature and you have a Montage with an attribute curve on it, the curve is not correctly mapped to the target skeleton. So ...
GAS: Duration GameplayEffects applying same GameplayCue tag will on authority end all on-going GameplayCueNotifies when first cue expires
UE - Gameplay - Gameplay Ability System - Aug 16, 2024When multiple duration GameplayEffects apply a GameplayCue with the same tag, the network authority game instance (standalone & servers) will remove all GameplayCues with that tag from the AbilitySy ...