Crash when undoing emitter deletion in Niagara System

UE - Niagara - Cinematics - May 25, 2024

[CrashReport] OpenGL - FRenderResource::ReleaseResource()

UE - Graphics Features - Sep 14, 2017

This is an infrequent but longstanding Linux crash that has occurred since 4.11. This is not a Linux-specific crash and can happen on Windows too (see [Link Removed]). ...

Physics Constraint returns incorrect values for Swing1, Swing2, and Twist

UE - Simulation - Physics - Jul 7, 2022

Tested in //UE5/Main CL#20966071 Tested in //UE4/Release-4.27 CL#18319896 Physics Constraint returns incorrect values for Swing1, Swing2, and Twist. ...

Crash when calling "Create Widget" node

UE - Editor - UI Systems - Dec 3, 2014

User reported a crash when trying to call "Create Widget" node set to UserWidget. Was not able to reproduce internally. User was able to resolve the crash by recreating the widget blueprint and re ...

Adding pin to CR node causes crash if input variable is assigned to one of the array element

UE - Anim - Rigging - Control Rig - Aug 22, 2025

When a node has a variable assigned to one of its pins. You will get a crash every time you add a pin. I am sure this goes for all nodes with with the "add pin" functionality [Link Removed] ...