Unreal Engine Issues
Unreal Engine Issues
heterogeneous volumes SkyLight VolScatter Intensity not working
UE - Niagara - Jul 23, 2025Heterogeneous Volumes do not respect the Volumetric Scattering Intensity values when running with Lumen, but do (correctly) when rendering with the Path Tracer. ...
IKeyArea::CreateCurveEditorModel is not adding custom property channel name.
UE - Anim - Sequencer - Nov 25, 2025When you have a custom float channel and run the above, It works great if it's a regular 'MovieScene3DTransformSection' : LogPython: [ {channel_name: "Location.Y", section: "/Script/MovieSceneTrack ...
A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE
UE - Graphics Features - Jan 22, 2015A camera set to Orthographic projection mode with a negative Ortho Width will crash the editor on PIE. Reproduced in Main (CL-2412886) Crash Report: [Link Removed] Call Stack:<unknown module>! UE ...
Crash when removing cloth apb's assigned to asset
UE - Simulation - Physics - Character - Apr 27, 2016When removing already assigned cloth asset from a skeletal mesh it will crash the editor. I was able to reproduce this with the Owen asset from Content Examples, but was unable to get it to work fro ...
Crash when Simulating in Editor after Painting Foliage
UE - Editor - Workflow Systems - Nov 29, 2016The engine crashes when simulating in the editor after painting foliage instances using the Foliage Tool. An important thing to note is that this crash does not occur if you switch out of the 'Foli ...
[CrashReport] PhysX3_x64!physx::PxsNphaseImplementationContext::unregisterContactManager() [pxsnphaseimplementationcontext.cpp:644]
UE - Simulation - Physics - Mar 6, 2017This crash is occurring in a developer's packaged project for their end-users. End-user comments are below (unique to the specific project)The game started flickering and then crashed!I set down a ...
[CrashReport] Assertion failed: TaskDataArray.Num() == Exporter->VolumetricLightmapTaskGuids.Num()
UE - Graphics Features - Lumen - Oct 2, 2017This is a trending crash coming out of the 4.18 Previews. Users have not provided any descriptions of their actions when the crash occurred, but at least two of the affected projects are being creat ...
Input Axis Mapped to 'Pinch' no longer sends Axis Value
UE - Platform - Mobile - Feb 15, 2019Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS Confirmed in MAIN 4.23 @ CL 4961509 ...
Map Get Node Pins In Niagara Module Scripts Can't Search For Standard Data Types
UE - Niagara - Mar 16, 2020This wasn't like this in 4.24 (see attached images). If you create a variable Engine.Owner.Position the search will find it however. Found in 4.25 Preview 2. Reproduced in 4.26 Main. ...
Recently created projects using the Live Launcher do not show up in the "My Projects" menu of the Launcher
Portal - May 26, 2021Recently created Projects not showing up in the Launchers "My Projects" menu. Recently Created projects also do not show up in the editors projects menu [Link Removed] ...