Failed assertion on creating a basic chaos geometry collection and PIE

UE - Simulation - Physics - Jan 23, 2020

User encounters a failed assertion when trying to create a simple geometry collection from a box ...

GeometryCollectionPhysicsProxy::FieldParameterUpdateCallback() not removing invalid Commands, leading to performance issues

UE - Simulation - Visual - Aug 30, 2025

GeometryCollectionPhysicsProxy::FieldParameterUpdateCallback() not removing invalid Commands, leading to performance issues. The licensee has provided their analysis: We seem to have stumbled acro ...

Sqlite plugin crash on iOS

UE - Platform - Mobile - Aug 26, 2021

Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6)

UE - Anim - Sequencer - Jun 25, 2025

Sequencer's View Options>Expand/Collapse Nodes and Descendants (Shift+V) does not Collapse after being Expanded (UE5.6). As described in the Steps to Reproduce section, the command expands the prope ...

Crash when confirming a directory to import a USD file to via the USD Stage window

UE - Editor - Content Pipeline - Import and Export - Nov 21, 2019

Crash when confirming a directory to import a USD file to via the USD Stage window The repro does not seem to be 100% consistent and it can take a few attempts to hit the crash. The USD Stage wind ...

game terminated on android device when connect or disconnect usb dongle

UE - Platform - Mobile - Jun 1, 2021

The game crashed when the USB Dongle is connected or disconnected. Games that made by other engines are work fine. Refer to the attached video for the reproduce. ...

Crash when applying Post Process SceneTexture and VertexInterpolator as emissive color

UE - Rendering Architecture - Materials - Jun 22, 2021

When selecting apply after connecting a Post Process SceneTexture and a VertexInterpolator into the emissive color node a crash occurs. This issue is occurring in Binary //UE5/Release-5.0-EarlyAcce ...

PhysX crash when SetMaterial is called

UE - Simulation - Physics - Mar 14, 2016

When provided sample project is run in PIE, crash occurs after call to SetMaterial() is made in code. Downloadable Project: [Link Removed] CrashReporter: [Link Removed] ...