Unreal Engine Issues

Alembic Geometry Cache is corrupted on reopening of project leading to crash

Alembic Geometry Cache crash when re-opening the project and a map that contains this asset or adding it to any existing/new levels will instantly crash the editor. This asset works correctly in the ...

Moving Asset back to the location where a fixed up redirector was located can remove it from source control

Retargeted Child AnimBP doesn't play any animations

Retargeted Child AnimBP doesn't play any animations ...

Behavior Tree Visualizer Runs Sequence Tasks in Parallel

Tasks in the behavior tree are visually represented as running parallel to one another instead of sequentially when looking at the behavior tree visualizer. This does not seem to have an effect on f ...

Timespan Set in Blueprint Default Not Returning Correct Value

Timespan properties created in C++ but set in blueprints are not returning the correct values. ...

Blueprints converted to static mesh with negative scales for a component will invert the faces

Negative scaled static mesh components in a blueprint will invert their faces when converted to a static mesh. Note that this does not happen in the following situations: If the BP is scaled negat ...

Foliage LODs do not appear to use the base LODs lightmap any longer

LODs used with the Foliage Tool are no longer being shadowed accordingly with their baked lighting from their base LOD. Originally they would stay consistently lit, where as now the lower LOD transi ...

Setting window resolution to a higher amount than the screen's current resolution leads to incorrect Aspect Ratio and black bars

When the resolution is set to a height that is higher than the monitor's current resolution in Windowed mode without Constrain to Aspect Ratio enabled in the Camera, the aspect ratio becomes squishe ...

Multiple overlapping reflection captures cause graphical artifact on Mac

There are tiled artifacts that appear on Mac Sierra when reflection captures overlap. Tested with Asset #3595 MacOS Sierra Version: 10.12.1 NVIDIA GeForce GT 750M Driver: 367.15.10.05f01 ...

Undocked Windows with a hidden tab cannot be unhidden, moved, or docked any longer.

Any undocked windows that have their tab hidden cannot be unhidden and the window cannot be moved. This is problematic because one this is done even if you close the window and reopen it via the Win ...