Unreal Engine Issues
Unreal Engine Issues
Blueprint actor reference breaks after hot reload
UE - Gameplay - Blueprint - Apr 21, 2016Reference to a blueprint based on a custom class will break if changes are made to the parent class and a hot reload is performed. Error Displayed added to Callstack section. Workaround: Compiling ...
Setting a parent and child static mesh scale to negative effects the rotation on child when Snapped To Floor
UE - Gameplay - Jul 21, 2016Setting a parent and child static mesh scale to negative effects the rotation on child when Snapped To Floor Looks to be directly related to this JIRA: https://jira.ol.epicgames.net/browse/UE-3152 ...
No visual updates when adjusting the curve editor in UMG for the first two points on the timeline
UE - Editor - UI Systems - Jul 6, 2015When Switching the curve editor to cubic interpolations for example moving the blue handles will not change the curve. However, if a third point is add this function works as intended from the 2 poi ...
Blueprint with instance static mesh from construction script will cause crash when using the build then build geometry
Tools - Mar 12, 2015When using a BP with component instance static mesh that is added via the construction script, when using the build button in the toolbar to build lighitng and geometry everything will work correctl ...
The Sorting Issue Between Height Fog and Transparent Objects
UE - Graphics Features - Aug 21, 2024When a LocalFogVolume is used with ExponentialHeightFog, it does not correctly fog translucent objects. ExponentialHeightFog and Volumetric Fog from a LocalFogVolume both correctly occlude transluc ...
OFPA Localizable Text Instances are not gathered when world partitioning is disabled
UE - World Creation - Worldbuilding Tools - OFPA - Mar 7, 2025Context One File Per Actor (OFPA) reduces overlap between users by saving data for instances of Actors in external files, removing the need to save the main Level file when making changes to its Act ...
Unable to save project due to user created blueprint node that creates user created object
UE - Gameplay - Blueprint - Apr 28, 2015When a user creates a blueprint node of their own that is used to spawn a user created object, the project becomes unable to be saved after the blueprint is put into use. ...
Raytraced Shadows don't render on landscape grass
UE - Graphics Features - Shadows - Nov 22, 2022Regression: Tested in UE5/Release-5.0, the issue did not occur so this is a regression Cast Dynamic Shadow should be enabled in the Landscape Grass Type by default, so shadows should be cast by the ...
NPC - Does not get updates from Material Parameter Collection changes in the editor
UE - Niagara - Sep 30, 2024When an MPC is selected as the Source Material Collection for an NPC, all of its current parameters are carried over to the NPC with their current values. After that, if parameters are added to, rem ...
Lightmass Build Hanging at Specific Percentages
UE - Graphics Features - Sep 4, 2015Lighting will build indefinitely in certain circumstances and can be verified in Swarm Agent that it will continue to process the maps even though the log shows it has completed. This is happening i ...