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 ...
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 ...
VisualizeTexture with the BMP flag causes a crash when any mip over mip0 is requested
UE - Rendering Architecture - Dec 18, 2024When a mip level higher than 0 is requested in VisualizeTexture, the engine will crash. The root cause appears to be VisualizeTexture.cpp:924, on which an incorrect mip level is used to read a non-m ...
Dragging and dropping multiple notifies does not place all notifies in intended areas.
UE - Anim - Runtime - Dec 17, 2024When dragging multiple (tested with 4) notifie states there are a few issues. On Drop: Some notify states do not land on the correct track. On Drag: The notify states do not line up with their cor ...
The "Make Static Mesh" feature for skeletal meshes does not account for disabled mesh sections.
UE - Anim - Rigging - Skeletal Editor - Dec 11, 2024The licensee was not able to make static meshes with the correctly disabled sections from a skeletal mesh in the current implementation of the "Make Static Mesh" button in the editor. They have prov ...
Editor Crash When Using FRequestPlaySessionParams GlobalMapOverride To Load World Partition Map
UE - World Creation - Worldbuilding Tools - Data Layers - Dec 6, 2024The licensee has been using a custom CVAR to launch directly into PIE for a world partition level. Since updating to 5.4, this now causes an editor crash. The main factor appears to be whether or no ...