Unreal Engine Issues
Unreal Engine Issues
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 ...
Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash
UE - Gameplay - Blueprint - Jan 13, 2015Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...
Same Summary for Load Game from Slot and Save Game to Slot
UE - Gameplay - Blueprint - Jul 8, 2015After creating a blueprint and adding the functions "Save Game to Slot" and "Load Game from Slot," the same summary occurs for both when moused over. The message for both is Save the contents of the ...
Texture streaming needing to be rebuilt causes level to be dirty when opened
UE - Graphics Features - Aug 26, 2016Opening levels that need texture streaming rebuilt causes the level to be dirty and unsaved, even though the user has not edited the level at all. This isn't consistent with other building features ...
The Web browser widget appears to be offset
UE - Editor - UI Systems - Oct 24, 2016The Web browser widget appears to be offset. The web browser widget appears to be offset and does not scale itself to fit the bounds of the widget. Note: This appears to function correctly in 4.13. ...