Unreal Engine Issues
Unreal Engine Issues
Hot Reload crash with Scene Component tied to Actor class
UE - Foundation - Core - Feb 19, 2015After creating a Scene Component code class and an Actor code class, creating a reference to the SceneComponent in the Actor class constructor will cause a crash on hot reload in the editor. ...
Adding a scene component to a child blueprint causes log warnings to appear in output log
UE - Gameplay - Blueprint - Sep 1, 2015If a scene component is added to a child blueprint and the parent blueprint is compiled, a log warning will appear that states: "LogBlueprint:Warning: USimpleConstructionScript::FixupRootNodeParen ...
Duplicated Blueprint Causes Incorrect Target for Events
UE - Gameplay - Blueprint - Oct 15, 2015Duplicating a blueprint that has a node hooked up to BeginPlay causes the BeginPlay in the duplicate blueprint to target the original blueprint. This does not appear to affect functionality. Occur ...
Copy/pasting a Custom Event that has input names containing spaces will create a Custom Event with extra inputs
UE - Gameplay - Blueprint - Feb 4, 2015Copy/pasting a Custom Event that has input names containing spaces will create a Custom Event with extra inputs. It appears that an input name with a space in it will be copied as two inputs, the fi ...
Child BPs created from Parent BPs that include nodes attached to the Event BeginPlay, Event ActorBeginOverlap, or Event Tick nodes include a Parent call in the Event Graph by default
UE - Gameplay - Blueprint - Mar 7, 2015Child BPs created from Parent BPs that include nodes attached to the Event BeginPlay, Event ActorBeginOverlap, or Event Tick nodes include a Parent call in the Event Graph by default. This is incons ...
Clients fail to load in Standalone mode with 2 players while Use Single Process is disabled
UE - Networking - Jul 1, 2015Clients fail to load in Standalone mode with 2 players while Use Single Process is disabled. Note: double checked this, and I cannot repro in Multiplayer Shootout in 4.9. The same issue still occur ...
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 ...
Camera Shake Oscillation Duration no longer accepts -1 as indefinite
UE - Gameplay - Jul 30, 2015The Camera Shake Class no longer allows for indefinite shaking via setting a negative value in the Oscillation duration, per the tooltip instructions. This happens when using either the Play World ...
Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor
UE - Gameplay - Blueprint - Aug 4, 2015Copying a Static Mesh actor from the level and pasting it into a Blueprint as a component does not retain any of the values of the copied actor. Reproduced in 4.7.6 binary, 4.9 Release (//depot/UE4 ...
Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build
UE - World Creation - Worldbuilding Tools - Sep 5, 2025The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...