//UE4/Release-4.19 Binary stalls opening Project Browser at 45% - XGEControlWorker.exe is not recognized

UE - Foundation - Core - Jan 22, 2018

The editor stalls out at 45% while opening to the project browser. This is occurring on machines with Windows 7 and 10. I tried using VS attach to process but it didn't provide very much. Opening th ...

Virtual Bone effect is lost after re-importing mesh

OLD - Anim - Dec 31, 2018

After setting up a Virtual Bone on the skeleton and having it drive a Skeletal Control Node in an Animation Blueprint. Reimporting the skeletal mesh will cause the setup in the Anim BP to revert bac ...

CCD can produce incorrect results at low frame rates

UE - Simulation - Physics - Feb 27, 2019

The attached project has a fixed frame rate of 30fps with a simulating CCD cube above a with a full restitution floor. The cube has an odd rotation, such that it impacts the floor at a single point ...

VR Splash screen delta rotation does not appear to update

UE - Platform - XR - Apr 19, 2019

When using the node Add Loading Splash Screen the delta rotation does not appear to update/rotate the texture that is applied as the tool tip appears to suggest ("(in)" Incremental rotation, that is ...

Undo and ConstructionScript break the AttachChildren array

UE - Gameplay - Components - Nov 14, 2019

Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...

UMG Crashes When Using "Create Dynamic Material Instance" With An Optional Name Twice

UE - Editor - UI Systems - Feb 17, 2020

When using an Optional Name parameter in Create Dynamic Material Instance while using the same Optional Name twice in UMG the engine crashes. I have tested this in a actor blueprint that applies th ...

Volumetric Translucent Shadow not showing in game mode

UE - Graphics Features - Sep 8, 2020

Volumetric Translucent Shadow not showing in game mode for versions 4.23-4.25.  Reported and tested in versions 4.25.3(CL 13942748), 4.24.3(CL 11590370), 4.23.1(CL 9631420), 4.22.3(CL 7053642). Wor ...

Crash editing Transition Logic after deleting State and Transition in State Machine

UE - Anim - Runtime - Anim Blueprints - Sep 8, 2020

Attempting to click on a node in a Transition Logic that has been opened in a new tab will cause a crash when the correlating State node and it's transition have been deleted from the State Machine. ...

GPU Timeout when using a large scale Landscape and Water Body Ocean

UE - Graphics Tools - Terrain - Landscape - Dec 1, 2022

Regression: Tested in //UE5/Release-5.0, this issue does not occur so regression is yes. The GPU Timeout only occurs in UE5/Release-5.1, as recreating this issue in previous versions of the editor ...

Niagara Parameters window resets when clicking in a Scratch Module

UE - Niagara - Nov 29, 2022

Regression: The UI for the Parameters window in a Niagara System is different from UE5/Release-5.0 to UE5/Release-5.1, so the issue cannot be replicated in Release-5.0 This issue occurs when going ...