After breaking a level instance without Actor Folders, moving its actors between folders of the world-partition map does not work correctly

UE - World Creation - Worldbuilding Tools - World Partition - Jan 29, 2024

If a standard level (without Actor Folders enabled) is added to a world-partition map (with Actor Folders enabled) as a Level Instance, and then that instance is "broken" so that its actors are inco ...

Code based interfaces do not appear in Interface selection dropdown

UE - Gameplay - Blueprint - May 4, 2017

When adding an interface to a blueprint, only blueprint created interfaces are available. Engine / custom interfaces written in code are not listed. Regression: Yes - custom interfaces are present ...

Crash on map change with non-null values for GPropertyColorationClass and request customizable property coloration color

UE - Editor - Workflow Systems - Aug 7, 2023

This was found by a customer through a UDN, and they offered the fix for it, as well. The basic steps to reproduce the crash are as follows:call GEditor->SetPropertyColorationTarget(...) somewhere i ...

When ParallelExecutor is enabled, Japanese build output of VisualStudio garbled

UE - Foundation - Cpp Tools - Sep 19, 2018

From UE4.20, Japanese build output of VisualStudio garbled. Below is a comparison between 4.19 and 4.20. ・4.19.2 1>------ すべてのリビルド開始: プロジェクト:MyProject3, 構成:Development_Editor x64 ------ 1> Clea ...

Passthrough in ARHandheld Template fails to work on Android

UE - Platform - XR - Sep 11, 2024

After using the Begin Scan, the application does not show anything with the camera, though it should be noted that you can still find, select planes and then place the model on it. For now the bug w ...

Force front x imported asset incorrectly display axis for thumbnail and default editor camera

UE - Editor - Content Pipeline - Import and Export - Apr 12, 2021

Thumbnail can be fix by (Quote from UDN) "adjusting OrbitYaw of the ThumbnailInfo for the +X-facing skeletal mesh" Persona Editors can be fix by (Quote from UDN) "setting SkeletalMesh->SetHasCustom ...

Surface Material's AO will show through a Decal when static lighting is disabled

UE - Rendering Architecture - Materials - May 31, 2023

A surface's Ambient Occlusion will appear through a decal when static lighting is disabled in project settings. Regression tested against //UE5/Release-5.0 CL 20979098 //UE5/Release-5.1 CL 23901901 ...

Vector2D struct does not save default values in macro inputs

UE - Gameplay - Blueprint - Sep 1, 2016

Vector2D struct does not save default values as a macro input Regression (no) issue (does) occur in 4.11.2 ...

Force Feedback not pausing correctly during bGamePaused

UE - Gameplay - Jul 26, 2016

From UDN Question: https://udn.unrealengine.com/questions/304392/bug-clientplayforcefeedback-isnt-paused-when-game.html Tried with GamePad and Vive Controllers, having Gamepad wire connected + 2 Vi ...

Automatic Animation Compression Results in Crash

OLD - Anim - Dec 1, 2015

Using the "Automatic" option to compress animation results in crash 100% in UE4.10 but does not occur in UE4.9.2. *Regression ...