Actor leaves behind ghost collision when detached and simulating physics

UE - Simulation - Physics - Jan 18, 2017

Actor leaves behind ghost collision when detached and simulating physics. The collision doesn't show when 'Show Collision' is enabled but from the physics simulation it is clear that a collision box ...

"Found plugin in two locations" error when calling BuildPlugin on .uplugin named the same as one in \Engine\Plugins\...

UE - Foundation - Cpp Tools - UnrealBuildTool - Oct 2, 2018

In 4.20, calling BuildPlugin on a plugin outside the \\Engine\Plugins\... folder whose .uplugin has the same filename as a plugin inside \\Engine\Plugins\... generates the following error: ERROR: F ...

Client crashes when executing seamless travel with an active particle system in the level that was spawned at runtime

UE - Niagara - Apr 16, 2019

Clients crash when being part of a Seamless Travel if there was an active particle system in the level that was spawned at runtime. If the travel is not seamless, the particle system is placed in th ...

Third Party Library Plugin won't load in packaged build

UE - Foundation - Cpp Tools - Jun 27, 2019

Plugins created using the Third Party Library template won't load in a packaged build or the Launch button in the Editor Toolbar, but will if launched through the Project Launcher Window via the Edi ...

Package does not load using Vulkan on Oculus Quest

UE - Platform - XR - Jul 31, 2019

When attempting to open a package using Vulkan, the application is loading and never opens. This happens for Launch On as well. This issue may be related to [Link Removed]. I was not able to reprod ...

[MetaSounds][Inputs] - When multiple copies of an input node are on the graph, all connections reconnect to one node when an input is renamed

UE - Audio - MetaSounds - Aug 13, 2022

If there are multiple copies of an input on the graph, when it is renamed, all the connections are broken and rerouted to a single node, orphaning the rest on the graph. I believe this may be a dupl ...

If LevelSequence ends during a shot that includes a CineCameraActor, Player Camera is not reset correctly

zComponent - Archive - Dec 13, 2022

Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. Issue occurs when sequence ends with shot, and if sequence is interrupted during shot. ...

VCamMultiUser is missing VCAMCORE_API on structs

zComponent - Archive - Mar 17, 2023

Salesforce link [Link Removed] ...

(BUG) Sequencer Root motion breaks down when using SwapRootWithActor, translation track and transform origin actor

UE - Anim - Anim in Engine - Jul 19, 2024

When "Sequencer.ThreadedEvaluation.AllocationThreshold 8" is initiated, characters in a level sequence that have “Swap Root Bone Actor” activated on their animation will begin to slide very fast acr ...

Data like Camera Tracks can get corrupted inside Level Sequences when Undoing some operations

zComponent - Archive - Jul 22, 2025

Camera trucks can get in a invalid state when you undo certain operations. One example would be undoing a camera set that has been added to a camera track. When you undo that operation, other camera ...