Unreal Engine Issues

Crash while using the Delete Button in the HLOD Outliner while a Generated Proxy Mesh is opened in the Static Mesh Editor

When deleting a generated proxy mesh from the HLOD Outliner using the Delete Button while the generated proxy mesh is opened in the static mesh editor will cause the editor to crash. Workaround: U ...

UI_BUILD_SHIPPING_EDITOR not defined warning occurs when building for Android

The following warning occurs when building a project for Android in the Test configuration. LogPlayLevel: UnrealBuildTool: [119/283] clang++ Module.Core.4_of_8.cpp [armv7-es2] LogPlayLevel: Unreal ...

FixDeps step will relink Engine modules even if only project code was changed

This is Linux and possibly Mac specific. FixDeps step does not have the proper dependencies and instead depends on every library, even one it is not relinking. Reported on UDN (see additional URL f ...

Trace Hit.Z varies strangely based on trace start/end Z

The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...

Packaging fails with too many instanced static meshes

Project will fail to package with more than one actor containing ISM Components. From user: "...After some testing I found that it only occurs if there are multiple actors in a map (either of the ...

Realtime Rendering toggle disabled after using Cloth Painting

After finishing cloth painting, the ability to toggle Realtime Rendering in the viewport is greyed out. Additionally, the Disable Realtime Override button doesn't seem to have any effect. This probl ...

Light Components fail to propagate certain property changes from Sequencer

'prefix parameter names' checkbox in a material function's settings does nothing.

Prefix Parameter Names checkbox does not work as expected, and the Group names are unmodified. The value "UMaterialFunction::bPrefixParameterNames" does not appear to be used anywhere in the Engine ...

Water body actor casts static shadow

WaterBody Actors will cast static shadows in built lighting even if their Cast Shadow options are disabled. ...

Datasmith floods network with UDP traffic in a lab environment

They've had some luck disabling UDP transport as mentioned in the following articles:https://docs.unrealengine.com/5.2/en-US/udp-messaging-settings-in-the-unreal-engine-project-settings/https://foru ...