Unreal Engine Issues

Editor crashes when using servertravel during PIE mode.

The editor crashes when attempting Seamless Travel in PIE while the World Outliner is displayed and an actor is attached to another actor. ...

Opening the ICVFX window, then closing it will set materials on your nDisplay meshes to the materials those instances were created from

Opening the ICVFX window, then closing it will set materials on your nDisplay meshes to the materials those instances were created from ...

Loading CVAR preset does not apply the parameters to other nodes in multi-user until manually toggled on/off

Loading a CVAR preset does not apply the parameters in the preset to other nodes in multi-user. These parameter values must be toggled On/Off manually after loading to apply correctly. ...

CopyFileUnderSourceControl Fails on Already Resolved Files

CopyFileUnderSourceControl has instances when the response is not a success even though the files are copied successfully under source control. It seems FPerforceCopyWorker::Execute() tries to reso ...

Inconsistent Behavior for MarkFilesForDelete/MarkFileForDelete

MarkFilesForDelete stops the files from getting deleted if they are checked out by others while, MarkFileForDelete (non-batched version) has no problem deleting such files. It looks like MarkFilesF ...

Engine Crash when Running a Screenshot Functional Test

Running a Screenshot Functional test, is causing an engine crash. By attaching a debugger to it, AScreenshotFunctionalTestBase::PrepareForScreenshot() is reached and GEngine->GameViewport is null, ...

RayTracing Final Gather is not working in UE 5.1

Further Comments: Customer is using the deprecated ray traced mode. ...

Cooking crash during shutdown with no useful error

Sometimes some of actors are destroyed after the destruction of the solver through the garbage collector. In this case, the app crash in FChaosScene::RemoveActorFromAccelerationStructureImp because ...

Material Editor Crash occurs on mathematical operation node receiving invalid input from a Texture Object

Crash when double-clicking landscape editor splines point tangent

When double click splines point tangent, the editor will crash.  This issue related to [Link Removed], it didn't care about double-click case. Workaround: void FEditorViewportClient::ProcessDoubl ...