Calling TearOff then Destroy on an actor results in client actor also being destroyed

UE - Networking - Jan 14, 2021

When calling TearOff followed immediately by Destroy, the channel will be closed with the reason that the actor was destroyed, so the actor will be destroyed on the client as well. In the UDN linke ...

Data validation FAILED due to IWBE_Blutility containing invalid data

UE - Content - Engine - Jan 11, 2021

4.26[AssetLog] D:\Binary\UE_4.26\Engine\Content\Tutorial\InWorldBlueprintEditing\TutorialAssets\IWBE_Blutility.uasset: Default__IWBE_Blutility_C is not valid. See the MapCheck log messages for detai ...

DateTime Variable in Sub Widget resets on Compile

UE - Editor - UI Systems - Jan 7, 2021

When attempting to set the default value of a date time in a sub widget the changes are not kept after compiling. ...

NPC - Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work

UE - Niagara - Data Interface - Jan 4, 2021

Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work ...

Fbx import has some scale differences

UE - Editor - Content Pipeline - Import and Export - Dec 15, 2020

A licensee has forwarded an fbx that came out of Nuke. I think the animation is importing into Sequencer correctly, but the objects seem to be scaled. If I take the fbx into Maya and then reexport i ...

Transform gizmo behaves incorrectly in the Blueprint editor viewport if multiple child components are selected and their parent component is rotated 90 degrees around Z.

UE - Framework - Blueprint Editor - Nov 12, 2020

When multiple child scene components are selected and their parent is rotated 90 degrees about Z, attempting to use the transform gizmo will move the components in the wrong direction relative to th ...

When setting in PreviewGameLaunguage, the package application always adds "culture" to the argument

UE - Editor - UI Systems - Localization - Nov 12, 2020

Whenever packaging project from Launcher with a PreviewGameLanguage set, the culture="preview language" is added to the UE4CommandLine.txt file. Can avoid this issue by setting "None" in PreviewGam ...

RVT Material Preview incorrect in Landscape paint target layers

UE - Graphics Tools - Terrain - Landscape - Nov 5, 2020

Texture2D values and gradients are incorrectly appended in Alpha channel

UE - Graphics Features - Oct 6, 2020

After creating new material and inputting a texture coordinate node, and connecting with two mask nodes for R and G, then connecting to "Make Float 4" nodes, the values in the Alpha Channel don't ma ...