Unreal Engine Issues
Unreal Engine Issues
Wireframe box does not appear when adding blueprint of custom volume class to the viewport
Tools - Aug 2, 2017No volume appears when adding a blueprint of a custom volume class to the viewport. Adding an instance of the custom class directly does show the box, but additional functionality cannot be added v ...
Slomo command has no effect when Run Dedicated Server is set
UE - Gameplay - Aug 18, 2017Using the slomo # command when Run Dedicated Server is set has no effect. Command still functions when this checkbox is set to false. Regression: No, same behavior occurs in 4.16.3 ...
Set Hardware Cursor doesn't refresh when clicking and holding in PIE when dragging out and back in
UE - Editor - UI Systems - Slate - Nov 10, 2017The SetHardwareCursor function sometimes doesn't update when clicking and holding the left mouse button on a widget component, like a button, and causes the cursor to default back to its normal icon ...
Disabling "Skip Unneeded Dependency Compilation" clears spline points on component compile
UE - Gameplay - Blueprint Compiler - Apr 5, 2018Spline points are lost when compiling BP component. Component is used in PlayerCharacter. Spline Actor Casts to PlayerCharacter and calls a function on this component. Workaround: Open BP_SplineAc ...
TrackFieldData and SubSectionFieldData structs not properly being serialized during cook in the Precompiled Evaluation Template
UE - Anim - Sequencer - May 3, 2019During compile on the fly if the evaluation field is invalidated SubSectionField data will not have been properly serialized and the meta data will not be populated correctly, as the custom serializ ...
SpiralBlur-SceneTexture Does Not Compile If Raytracing Enabled
UE - Graphics Features - Lumen - Jul 22, 2019The material function SpiralBlur-SceneTexture, does not compile in DX12 mode. Found in 4.22 CL# 7053642, 4.23 CL# 7321677, 4.24 CL #7474192 ...
SetConstraintBindingID of ConstraintSection on Sequencer cannot be set from Blueprint
UE - Anim - Sequencer - Jan 28, 2021The SetConstraintBindingID of the ConstraintSection on the Sequencer is the BlueprintPure function. The licensee is trying to parent and child objects on the Sequencer using sequencer scripting, and ...
FAnimNode_TransitionPoseEvaluator uses FStackAttributeContainer to cache data over multiple frames
UE - Anim - Runtime - Sep 15, 2021FAnimNode_TransitionPoseEvaluator can cache a pose over multiple frames using FStackAttributeContainer rather than the heap equivalent. This will likely crash at some point if any user uses the cac ...
bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping
UE - Gameplay - Input - Jun 16, 2022This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well. I'll update the repro s ...
Custom node not working with material attributes
UE - Rendering Architecture - Materials - Jul 15, 2024Using Material Attributes as an input to a Custom Expression causes the HLSL Translator to create multiple CustomExpression# functions, for each used member of the Material Attributes, rather than u ...