Failure to attach component in a non-nativized child Blueprint class to an inherited component from a nativized parent Blueprint class.

UE - Gameplay - Blueprint - May 30, 2018

Attachment will currently fail at runtime during load and/or construction if a component from a non-nativized child Blueprint is attached to an inherited component from a parent class that is nativi ...

GetHMDDeviceName function's name is no longer accurate, is confusing

UE - Platform - XR - May 30, 2018

UHeadMountedDisplayFunctionLibrary::GetHMDDeviceName()  says it returns the "device" you are using, but it really returns the name of the SDK or XR System that you are using (for example launching o ...

Editor Crashing on Details Panel when Calling ForceRefresh

Tools - May 30, 2018

Editing bool of the nested child CrashableDataAsset causes crash. Expected: CrashableDataAsset children are properly assigned. Result: Engine crash ...

Can't navigate in Viewport or use Hotkeys when launching UE4 with a Russian keyboard layout on Linux

UE - Platform - Linux - May 30, 2018

When using a Russian keyboard layout and/or a Russian keyboard, you can't use any hotkeys or navigate around the Editor. After testing this with a German keyboard as well, it is believed this issue ...

Widgets provide warnings instead of errors for "Access None"

UE - Editor - UI Systems - May 30, 2018

Widgets provide warnings instead of errors for "Access None". When hitting and access none a widget blueprint does not produce an error. However, a warning can be found in the output log. This appea ...

WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed

UE - Platform - XR - May 29, 2018

WorldToMeterScale appears to snap back to default when VR headset does not meet 90 FPS if WorldToMeterScale has been changed ...

Animation Blueprint Preview Window Does Not Display the Effects of the Anim Dynamics Node

UE - Anim - Runtime - Anim Blueprints - May 29, 2018

Animation Blueprint preview window does not update to displays the effects of the Anim Dynamics node. Preview updates fine in the asset's Blueprint and PIE. Still occurs when turning on "Enable L ...

Crash when a nested widget is set to "Force Slow Construction Path"

UE - Editor - UI Systems - May 25, 2018

Does not occur if the root widget also disables the fast path. As a result, the current workaround is to ensure that the fast construction path is also disabled on the parent widget by making sure ...

Variable name type for T Map does not take into account name length

Tools - May 24, 2018

The drop down in the details panel for a t-map does not appear to take into account the length/size of the name of variable type and this can lead to the name being longer than the button used for t ...

Planar reflections move up and down while reflective surface rotates

UE - Graphics Features - May 24, 2018

Whenever you have an actor on top of a reflective surface while its moving the reflection will display inaccurately as if the object is moving away or toward the reflective surface. Found in 4.19 C ...