Unreal Engine Issues
Unreal Engine Issues
Editor freezes on selection of Blueprint Components
UE - Foundation - Core - EditorPerformance - Apr 29, 2022Editor freezes and stops responding on selection of Blueprint Components; Requiring the editor to be forced closed. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue di ...
Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point
UE - Editor - Workflow Systems - May 3, 2022Selecting other components after selecting a Spline Component's control point keeps the transform gizmo and functionality at the Spline Control point Repro Rate: 4/4 Tested this in //UE4/Release-4 ...
Foliage is placed on LevelInstanceActor does not follow basecomponent when the LevelInstanceActor moves
UE - World Creation - Worldbuilding Tools - Foliage - Jun 24, 2022Foliage usually follows when the Transform of the placed ground or floor changes. However, if the ground or floor is a Level Instance Actor, it will not follow. The cause is in the code below. voi ...
Fix primitive uniform buffer validation.
UE - Rendering Architecture - RHI - Jul 31, 2020GPUScene primitive validation is currently busted and asserts. It looks like there are two problems: 1) NaN's in the entries can cause comparison issues, so a MemCmp would be better. 2) There's a ...
DefaultEditor.ini dirtied when UpdateSingleSectionOfConfigFile is called for an object containing an array property
UE - Foundation - Core - Aug 5, 2021Closing an AdvancedPreviewScene results in a call to UAssetViewerSettings::Save to save the preview scene settings, regardless of whether or not anything has been modified. This in turn calls Update ...
UTextBlock::SetText doesn't work in global invalidation
UE - Editor - UI Systems - Slate - Jan 24, 2022This happens on consoles running in 4k so DPIScale would be 2x. The character between lines is just a newline (Shift + Enter in the text field in editor), the text is set with SetText, possibly a f ...
VertexInterpolators allocate unused params which generate extra shader ops
UE - Rendering Architecture - Materials - Feb 17, 2022As a follow up on this: https://udn.unrealengine.com/s/question/0D54z00006yxUdXCAU/vertexinterpolators-problem VertexInterpolators are added to the HLSL code even if unused and you demand the HLSL ...
FEditorFileUtils::SaveCurrentLevel returns true even when it fails
UE - World Creation - Worldbuilding Tools - Feb 25, 2022In FEditorFileUtils::SaveCurrentLevel, we set the default return code as true (success) before checking validity of the current level or seeing if PromptToCheckoutLevels is successful. If we're unab ...
Asset localization does not work properly for Paper2D related assets such as Flipbook
UE - Foundation - Mar 18, 2022This issue is resolved by changing Paper2D's LoadingPhase to PostConfigInit, but this is a workaround. We suggest a better long term fix via AssetRegistry changes (see comments). In the default la ...
Montage Time Stretch Curves Scale Incorrectly
UE - Anim - Runtime - Apr 13, 2022More details in attached UDN [Link Removed] Time stretch curve behaves incorrectly with large sections of in-between values. From the UDN: After using the feature a bit more we also noticed tha ...