Unreal Engine Issues
Unreal Engine Issues
[UDN - 16673100] Calling FComponentVisualizer::NotifyPropertyModified() on a FInstancedStruct property loses all data inside because the PreviewActor spawns with default properties in the FInstancedStruct
UE - Editor - Workflow Systems - Jan 15, 2025We found a problem with the component visualizer system and the PreviewActor in the Blueprint editor. If your component is using a FInstancedStruct in anyway, either directly, in a TMap, or TArray, ...
Params in material instance disappear when grouping is changed in material with a material layer
UE - Rendering Architecture - Materials - Jan 11, 2025If there is a texture parameter within a specific material attribute stream in the base material and also within the base material layer, they must have the same parameter group otherwise the parame ...
CableComponent particles spawn at origin when gameplay starts depending on component registration order
UE - Framework - Components - Jan 9, 2025A workaround was provided for the user, to use 'Set Attach End to Component' nodes during BeginPlay. While this fixes the issue in gameplay, the editor preview no longer syncs with gameplay. ...
It is possible for PreLoadScreen to leak memory when an EngineLoadingScreen returns IsDone while still loading
UE - Graphics Features - Jan 9, 2025It is possible for a class that implements IPreLoadScreen to leak memory if GetPreLoadScreenType returns EngineLoadingScreen and IsDone returns true before the engine signals loading is completed vi ...
Missing texture assets cause warnings on editor start: LogStreaming: Warning: Failed to read file '../../../Engine/Plugins/Developer/PlasticSourceControl/Resources/Icon128.png' error.
UE - Editor - UI Systems - Jan 7, 2025There are a number of missing texture assets which are failing to be read when the editor opens. This is causing a warning to be thrown each time the editor opens, potentially causing CI/CD tests (i ...
A non moving looping camera sequence flickers.
UE - Anim - Sequencer - Dec 20, 2024There is a small flicker on a looping single camera sequence where the camera doesn't move. Because the camera is static, you would not expect to see a flicker in lighting conditions. ...
Frame snapping does not work in AnimNotifyPanel
UE - Anim - Runtime - Dec 20, 2024When snapping for frames is turned on, dragging an anim notify state does not result to being snapped on a frame. ...
Inconsistent events triggered by FlushProcessedKeys during keyboard hold input
UE - Gameplay - Input - Dec 20, 2024Key repeats from the OS do not affect the EnhancedInput normally, but it causes inconsistent event triggers when FlushProcessedKeys is called with holding a keyboard key down. Removing references t ...
World position offset (WPO) and nanite enabled causes shadow of complex static mesh actor to be deformed at a specific distance
UE - Graphics Features - Nanite - Dec 19, 2024Context / Problem: Complex static mesh actors with nanite enabled and Evaluate World Position Offset (WPO) enabled works together except for a specific distance where the shadow is deformed and sort ...
MakeEditWidget doesn't work with the blueprint editor viewport
UE - Framework - Blueprint Editor - Dec 19, 2024Using the MakeEditWidget specifier inside a UPROPERTY macro and creating a blueprint based on the class will show the translation gizmo inside the main editor viewport but the gizmo will not show up ...