Using Subversion results in a hanging attempt to sync to source control

Using Subversion on a Mac to connect to an online repository causes the Source Control settings window to hang indefinitely and never succeed in connecting ...

Granular Synth Component does not generate sound on non-Force Inline assets

UE - Audio - Mar 7, 2022

Granular Synth Component is not generating a sound as it previously did. ...

Chaos Vehicle does not make them CCD

UE - Simulation - Physics - Jan 10, 2024

AWheeledVehiclePawn class tries to use CCD in the constructor, but Mesh->BodyInstance.bUseCCD = true this code does not work to activate CCD because Physics Assets could not be available at this ...

Contact shadows bug in splitscreen

UE - Graphics Features - Dec 11, 2024

Screen Space shadows do not check the view boundary. This can cause extra shadows in split screen, as one view can cast shadows in another view. ...

Unable to Import Sockets and LODs together for Static Meshes

Tools - Nov 6, 2015

When importing a Static Mesh into UE4 that is using the SOCKET_ naming, and is part of a Level of Detail set, the socket is discarded. If the Level of Detail set is removed from the Static Mesh, t ...

Hot reloading with a plugin in the project prevents the project from being able to save.

UE - Foundation - Core - Jul 8, 2015

Hot reloading a project that includes a plugin will not be able to save if the plugin is used in the project. ...

Overriding a subobject's class in a native base class can lead to that component being null in derived Blueprints (FObjectInitializer::SetDefaultSubobjectClass)

UE - Framework - Blueprint Compiler - Jun 10, 2021

Overriding a subobject's class in a native base class can lead to that component being null in derived Blueprints.  ...

Actor components in blueprintable structs are uneditable in full BP editor, but not on instanced actors or in data BP editor

UE - Gameplay - Blueprint Editor - Jan 24, 2024

When an actor has a blueprintable struct that contains a reference to an actor component and that component is created default in the actor's constructor, the struct and the component will be unedit ...

Cut & Paste in Sequencer breaks with Attach track

UE - Anim - Sequencer - Jan 15, 2025

Cutting two tracks in sequencer, which one is attached to another one, and pasting it break with Attach track. By this operation, Attack track loses its binding object. Copying such tracks and paste ...

Destructible Meshes that are fractured while using moving will rest and then move the whole components fractures as a whole

UE - Simulation - Physics - Destruction - Nov 26, 2014

DESCRIPTION: When a destruction mesh has been setup to move to a location or use a lerp if it is destroyed the components will fall, come to a rest, and then the entire destruction destruction mesh ...