Unreal Engine Issues

Web browser widget renders white for certain web pages on Android

When loading certain web pages with the Web browser widget on android, the web browser widget appear to fail to fully load the page. The page results in a white screen only. ...

Landscape renders default material if apply another material instance under ES31 preview

In ES3.1 preview, Landscape will render default material if change landscape material by using material instance of landscape's material. Will render correct if using another material's instance ...

Dithered LOD Transition does not work on some mobile devices

I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...

HLSL translator yields duplicated texture sampling code

Result: Material will generate following HLSL code inside CalcPixelMaterialInputs(), which results in two PS texture lookups. MaterialFloat4 Local0 = ProcessMaterialLinearColorTextureLookup(Textur ...

Can't add a subsequence binding for a camera cut through sequencer scripting

Spot Lights don't work on Magic Leap if Cast Shadows is disabled.

Spot lights don't work at all with Cast Shadows disabled on the Magic Leap. Cast Shadows must but enabled even though they don't work. This can also be demonstrated in the Vulcan render preview in ...

4K Resolution and High DPI Scaling in Linux aren't completely affected by System Display Scaling

Unreal doesn't change appearance when changing system configuration display scaling options. Editor Texts are still quite small and don't change based on the Display Scaling %. This bug also causes ...

Does Container Match Tag Query Node doesn't find existing Gameplay Tags in Packaged Project with Nativized Blueprints

When using the "Does Container Match Tag Query" node doesn't return true when a gameplay container member has the searched for gameplay tag in a blueprint that has been nativized. Packaging in Excl ...

Confusing message when attempting to connect mismatched Delegate pins

When the user attempts to connect delegate pins that don't match, they received a confusing mouse tooltip message that simply reads "Delegate is not compatible with Delegate". Suggested fix: When ...

The mobile preview in editor gets much darker after open the StaticMeshEditor