Unreal Engine Issues
Unreal Engine Issues
Unable to Create New Niagara User Parameter After Deletion without Niagara Editor Window Restart
UE - Niagara - Scripting - Apr 22, 2024When a user deletes a Niagara User Parameter within the Niagara System editor window, attempting to create a new parameter with the same name immediately after deletion results in an error. Despite ...
GPU Crash from invalid SRV in CreateShaderResourceView due to integer underflow
UE - Graphics Features - Ray Tracing - Jan 13, 2025The GPU crashes after the ray tracing geometry builder attempts to create a shader resource view with an invalid offset. ...
Custom Enums break blueprints on hot reload
UE - Gameplay - Blueprint - Aug 3, 2015If a custom code based enum is used inside a blueprint, doing a hot reload will break the nodes by assuming they are of a type other than enum. ...
Event Dispatchers do not update references when renamed
UE - Gameplay - Blueprint - Feb 23, 2016Event Dispatchers do not update event references when renamed if the green "+" is used to add the event in the Details Pane of an actor component. Note: Event Dispatchers appear to rename normally ...
Calling a Multicast RPC from a Player Controller creates a new Player Controller on the Client
UE - Networking - Jun 3, 2015Calling a Multicast RPC from a Player Controller creates a new Player Controller on the Client. In 4.7.6, this results in a repeating log warning: "LogPlayerController:Warning: Calling IsLocalContro ...
Child character's Variable changes to the default value in a packaged project
UE - Gameplay - Blueprint - Jun 22, 2015Child character's Variable changes to the default value in a packaged project. User Description: Name of player character resets (to default value specified in parent class) after packaging. 3. P ...
Compiler error on indirect blueprint component references when change is made to actorcomponent
UE - Gameplay - Components - Jul 10, 2015When blueprints associated with the actorcomponent are open and changes are made to the actorcomponent, once it's compiled there are compiler errors on the indirect blueprints. ...
[CrashReport] UE4Editor_Engine!FDistanceFieldAsyncQueue::Build()
UE - Graphics Features - Jul 24, 2017This is a common crash callstack that has affected more than 300 unique users since at least the 4.11 release. Other Jiras in the past with similar callstacks include [Link Removed] and [Link Remo ...
Regression: "Play particle effect" anim notifies are not seen in the editor playing level sequence/matinee when Attached is set to false
UE - Graphics Features - Dec 21, 2017Not Attached particle system is not seen in the viewport of the editor. This particle will be seen normally when PIE. Regression? Yes. This issue is not reproduced in 4.17 version. You can simply ...
Niagara Dynamic Parameters do not reflect layers in material instances.
UE - Niagara - Jan 19, 2022The names of dynamic parameters in material layers do not seem to update from material instances. ...