Unreal Engine Issues

LIVE: Editor crash on open if saved with detached viewport and sky light in level.

If there is a sky light in a scene and the viewport is detached and closed prior to saving, the editor will crash when trying to reopen the project. Crash Reporter: 431802 ...

USDStage - USD Material Overrides not reading

USD material overrides do not get applied properly to a USDStage prim inside UE.     When a material override that is set to a parent prim of USD Material, the override is ignored.   A usd material ...

[Synth][Tone Generator] - Editor crashes when Starting Synth Component Tone Generator

Starting a SynthComponentToneGenerator crashes the editor with the following assert:Assertion failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\SignalProcessing\Private\AudioBufferDis ...

Removing created event from level BP crashes editor if event is tied to object in level

UPDATE: 2/23/2015 Crash is limited to 4.6.1, does not occur in 4.7 Preview 8 or later builds (CL#2448202). ========================================================== Editor crashes if an event is ...

Users custom 4.6 project crashes on load

Users custom 4.6 project crashes on load. If the DefaultEngine.ini file is deleted, then the project will start fine. ...

[CrashReport] UE4Editor_Renderer!FMaterialShader::VerifyExpressionAndShaderMaps() [shaderbaseclasses.cpp:148]

This is a common crash occurring in the 4.16 release. It is spread out across many different CrashGroups with slight variations in Callstack. Additional information is not available at this time. ...

ZenGarden or project with MSAA enabled crashes on iPhone 6 and 6+

Zen Garden crashes on the iPhone 6+ before anything appears onscreen. Occurred on: iPhone 6+ on 10.3.2 Didn't occur on: iPhone 6S on 10.3.2 ...

Deprecate GeometryCollectionDebugDrawActor and its Component

/// We are going to deprecate this component for the UE5 release.  /// The issue also reproduces if console command"p.gc.ShowRigidBodyId -1" is executed in PIE The issue can be reproduced ...

Unable to change collision profile on static mesh component to a specific profile.

[CrashReport] UE4Editor_Engine!FAnimNotifyEvent::IsBranchingPoint() [animtypes.cpp:86]

This is a common crash occurring in the 4.17 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 72 float FAnimNotifyEvent::GetDurati ...