Unreal Engine Issues

Masked Materials using the Forward Renderer and MSAA results in banded Gradient

Masked materials used in conjunction with MSAA and Forward Rendering results in a banded gradient which seem to correlate directly with the MSAA count variable. This is connected to the Forward Ren ...

Exceptions can no longer be enabled for ProjectEditor targets

It is no longer possible to enable C++ exceptions for the ProjectEditor target in code projects that use the binary Engine. Some fixes that were made for 4.19 now correctly show an error message if ...

The IndirectLightingSHSingleCoefficient for translucency on mobile is too bright

Right click editor/Slate windows blackout after a while of repeatedly clicking them.

Licensee video of the issue here - [Link Removed]  This can be worked around with this setting:  [Link Removed] However it is not a solution as this setting actually causes other programs, e.g. sl ...

Muting the top most track row is muting all track rows

The workflow above is generally used to pull out key poses from a mocap performance. It works on 5.0. It can be simplified for QC into this:add some animation keys to your rigged character in Sequ ...

[AI] FInstancedStruct is not dupilicated properly if values are different from an Actor's defaults

A licensee reports that the values of an FInstancedStruct do not get properly duplicated if they differ from the default values of the Actor or TArray to which they belong. Possible short-term wo ...

Editor crashes when importing alembic asset

Editor crashes when importing Alembic material asset. The editor will crash once selecting the asset in Windows explorer, before the Import Options window appears. When testing this, we had an ave ...

Lightmaps on Mobile Devices Appear Dirtied and Pixelated

Baked lighting on mobile has dirtied or pixelated lightmaps. When testing this issue I attempted to change various settings within the 'Lightmass' section and the changes made did not have much effe ...

Mouse cursor does not disappear when widget has focus

THere is an issue with the Mouse cursor when using UMG with the set show mouse cursor option. after setting the set show mouse cursor off pressing a widget and giving it focus causes the mouse curso ...

Blueprint Function Reorder displays error tooltip when trying to reorder functions

There is an issue when attempting to reorder blueprints where Blueprint Function Reorder displays error tooltip when trying to reorder functions. In previous engine versions, functions could not be ...