Unreal Engine Issues

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 ...

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 ...

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 ...

Reimporting mesh will wipe any collisions that were setup using the Static Mesh Editor

When Reimporting a mesh the collision that is created using the methods in the Static Mesh Editor will be wiped if there was not previously setup UCX custom collision. ...

HideCategories() property is not held when the editor is closed

Setting a UCLASS() macro with the "HideCategories" property will updated after a hot reload but after closing /reopening the editor the hidden category will be visible again. ...

Vehicle Template Gears incorrectly affect gear shift speed

Changing the Up Ratio of a vehicle movement component incorrectly alters gear shifting. For example, setting the ratio for Gear 3 to 1.0 will keep the vehicle from shifting to gear 2, etc. ...