Unreal Engine Issues
Unreal Engine Issues
Combobox navigation does not work consistently
UE - Editor - UI Systems - Jan 22, 2021Navigation on combo box widgets will sometimes fail until the combo box close button is pressed, despite it not being open. This appears to be related to accessibility features added in CL# 13258546 ...
ProceduralMeshComponent only supports 4 out of the possible 8 UV channels
UE - Graphics Features - Feb 4, 2021Licensee reports that Procedural Mesh Component is apparently limited to 4 UV channels, which indeed appears to be the case (e.g. UProceduralMeshComponent::CreateMeshSection arbitrarily processing 4 ...
SWidget: Add support for ScrollBox in GlobalInvalidation mode
UE - Editor - UI Systems - Slate - Sep 1, 2020SScrollBar SScrollBarTrack SScrollBorder SScrollBox ...
Update warning in FActiveGameplayEffectsContainer::ApplyModToAttribute to consider batching
UE - Gameplay - Gameplay Ability System - Feb 19, 2021The ModcallbackData won't be consumed while applying stacked Gameplay Effects if the updates are being batched. This triggers a false warning in FActiveGameplayEffectsContainer::ApplyModToAttribute. ...
Fbx animation re-import using UAssetImportTask in python will not use options
UE - Editor - Content Pipeline - Import and Export - Mar 5, 2021Anim sequence re import factory is not overriding correctly the settings when we pass the override UFbxImportUI asset. It still use the original import data ...
Problems in skeletal mesh merge
There are a few issues a licensee has found with the skeletal mesh merge operation. See the UDN for more details and the proposed fixes. Note, the issue with the cloth merge is already logged in a ...
Groom bound to GeometryCache is unstable
UE - Editor - Content Pipeline - USD - Aug 10, 2021This issue seems to occur only in 4.27 with DX12. Did not repro in 4.27 with -dx11, nor in UE5 DX11/DX12. ...
Changes to Material Instance Parent don't appear to propagate to child instances if the child instance's editor window is open
UE - Rendering Architecture - Materials - Aug 16, 2021It looks like this occurs when the grandchild instance window is open. If you close and reopen the Grandchild's window the parameter appears as expected. I've attached a project with the setup step ...
Deleting the first instanced subobject entry from a Blueprint map or set variable's default value can result in an editor crash.
UE - Gameplay - Blueprint Compiler - Sep 27, 2021Deleting the first instanced subobject entry from a default value for a map or set variable can result in accessing an incorrect subobject for the element's value during reinstancing, which can then ...