Unreal Engine Issues
Unreal Engine Issues
Static mesh components spawned in the UCS along a spline require lighting to be rebuilt after a map reload.
UE - Framework - Components - Jun 17, 2021Seems to be somehow related to components being instanced in the Construction Script according to a spline. The transforms are slightly off by more than 1.e-2f. They are reconstructed on load with a ...
Packaging fails with too many instanced static meshes
UE - Graphics Features - Jun 8, 2018Project will fail to package with more than one actor containing ISM Components. From user: "...After some testing I found that it only occurs if there are multiple actors in a map (either of the ...
Crash if the number of spline points is less the one spline point currently selected
Tools - Feb 26, 2020Spline components with "input spline points to construction script" enabled causes crash when selecting a spline point and reducing the total number of spline points below the selected spline. Te ...
The World Outliner will only show one Child Actor on a Blueprint that has multiple Child Actors in its Components tab
Tools - Apr 13, 2015The World Outliner will only show one Child Actor on a Blueprint that has multiple Child Actors in its Components tab. Note that all Child Actor Components added via the Construction Script will dis ...
HDRi Backdrop Animation in Sequencer
UE - Anim - Sequencer - Apr 5, 2024HDRIBackdrop objects cannot be rotated in Sequencer. This issue can be resolved by setting the "Run Construction Script in Sequencer" checkbox to True in the "HDRIBackdrop" blueprint. If HDRI Back ...
The color picker stops working after changing the color once on a color property on a component
UE - Editor - UI Systems - Slate - Nov 13, 2019Changing the color on a component property via the color picker will cause the picker to stop working until it's closed and reopened. This occurs because a property change event is sent out, and the ...
Cannot instantiate an InstancedStaticMesh component with ConstructionScript
UE - Graphics Features - Jul 21, 2024Starting with Unreal Engine 5.4, the logic for adding ISM instances by adding ISM components in the Construction Script (like below) has failed. [Image Removed] This issue accidentally was introd ...
Replacing blueprint assets causes editor to crash
UE - Gameplay - Blueprint - Jun 1, 2015When attempting to replace references of one blueprint with another a number of error message windows pop up ([Link Removed]) and the editor will crash. This is a regression since it was working in ...
Local Variable loses value after reference moves file location
UE - Gameplay - Blueprint - May 23, 2017Local Variable loses value after reference moves file locations. This does not just affect construction scripts, following these steps with a function instead produced the same result. This issue do ...
Hide Bone in constructor does not update world instances
UE - Anim - Runtime - Nov 4, 2019Hiding bones during construction is not properly displayed by level instances placed at editor time. Note that setting 'Update animation in editor' on the mesh and re-running the constructor script ...