Unreal Engine Issues
Unreal Engine Issues
Code delegates duplicate function calls when owning actor is duplicated in the editor
UE - Foundation - Core - Jan 15, 2016If an actor that contains a delegate bound in code is duplicated after being placed in the level, the delegate for the duplicate will also trigger the delegate for the original as well. ...
When an active Niagara Component is moved and reset+reactivated in the same frame, "Interpolated Spawning" causes "Spawn Burst Instantaneous" to spawn particles in the previous frame's outdated location
UE - Niagara - Mar 6, 2024Consider a Niagara System with an Emitter in "Global Space" that has "Interpolated Spawning" active and a "Spawn Burst Instantaneous" module with a "Spawn Time" of 0.0 (for example, the built-in Con ...
RootMotion Malfunctioning When Played in Lower Framerates
UE - Gameplay - Player Movement - May 2, 2016Root Motion Animations are not functioning correctly during lower frame rates. For example, a character moving forward 2 meters at regular frame rate will move 10 meters at a lower frame rate. Regr ...
VisibleAnywhere MovieSceneObjectBindingID property is editable
UE - Anim - Sequencer - Apr 19, 2024In general, UPROPERTY(VisibleAnywhere) makes a property ineditable. But, if the type of a property is FMovieSceneObjectBindingID, VIsibleAnyhere no longer prohibits it from editing. [Image Removed] ...
World Initialization is performed on Transition World if the client's process is halted at a certain point
UE - Networking - Apr 12, 2016A user reported an issue where, if a client hitches during world transition, the client will continue referring to the transition world instead of the newly created one. This will result in the clie ...
Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes crash
UE - World Creation - Worldbuilding Tools - Foliage - Jan 16, 2019Calling UHierarchicalInstancedStaticMeshComponent::AddInstance multiple times causes multiple BuildTrees to be created and run asynchronously at the same time. Tested in 4.21(CL - 4613538) How t ...
Blueprint Struct associations in Blueprint hierarchy causes command line cooker to crash
UE - Gameplay - Blueprint - Oct 13, 2016If a user creates a specific Blueprint hierarchy with a Blueprint struct, it can cause a issue when the Blueprint struct is being cooked. User description of Blueprint(s) and Blueprint Struct relat ...
Closing the GPU Visualizer window on Linux causes the editor to crash
UE - Platform - Linux - Oct 21, 2015After opening the GPU Visualizer window, pressing the "X" to close the window causes the editor to crash. ...
Compile failure packaging for iOS: "error: member access into incomplete type 'const FCulture'"
UE - Platform - Mobile - Dec 14, 2016Compile failure packaging for iOSUATHelper: Packaging (iOS): UnrealBuildTool: D:\Build\joseph.wysosky_QuickSwitch\Engine\Plugins\Online\IOS\OnlineSubsystemIOS\Source\Private\OnlineStoreIOS.cpp(123 ...
Ensure attempting to submit to source control after enabling plugin
Tools - Nov 17, 2016Ensure occurs when trying to submit to source control after enabling a plugin in the editor. I wasn't able to reproduce this if the uproject wasn't checked out. ...