Unreal Engine Issues

Material ParticleRandom node doesn't have proper value returned in specific case

Landscape Visibility Mask Rendering with Missing Landscape Components when Deployed to Mobile Device

Landscape Material renders with missing components when using a 'Landscape Visibility Mask' and deploying to a mobile device. I have found this issue now with an Android and iOS device. I was able ...

Overriding a UFUNCTION in a Blueprint results in an empty "Event Graph" category being shown in a Data Asset containing an instance of the Blueprint

When looking at the details of a UObject contained in a Data Asset, some categories are shown even though they should not be. If a category is marked as hidden in the parent class, it will be shown ...

DFAO artefacts created by landscape painted invisible in cooked builds

Looks like the issue stems from the DistanceFieldBentNormalAO pass ...

Crash after switching materials on a particle system mesh and saving the mesh

The repro steps are very similar to https://jira.ol.epicgames.net/browse/UE-34241 except that you have to save the static mesh before switching back to the particle editor. ...

BlueprintGetter does not work with or disable AnimGraph Fast Path

When used as part of the fast path in an ABP, variable Blueprint Getters are not used. If something with a getter that does not conform to or is supported by fast path, is used then fast path should ...

Hot reload can prevent code components from being accessible in blueprints

When a class is edited / hot reload preformed, code based components are sometimes removed from the MyBlueprint > Variables section and cannot be dragged from the Components tab into the graph with ...

Local binary build looks for code files using the original file path where it was first created

A local binary build that is installed on a computer different from the one where it was originally created, with a different root directory location, attempting to go to the definition of a Bluepri ...

SSR on Translucency is not affected by Post Process Volume

Screen space reflections on translucent materials are not affected by post process settings. Any changes made to SSR settings in the volume will do nothing to a material that is set to the transluce ...

Ray Traced Translucency causes artifacts when rotating a Static Mesh that is far away from center of the map

Tested in //UE4/Release-4.27 CL#18319896 Ray Traced Translucency causes artifacts when rotating a Static Mesh in the 'Open World' level when moved far away from the center of the map. The Artifacts ...