Editor crash on loading a project after enabling the Tango plugin on Linux

UE - Platform - Linux - Aug 22, 2017

Enabling the Tango plugin on Linux causes the editor to crash on restart. Regression: No - Tango plugin not available in 4.16.3 (CL 3561208) ...

Launch crashes on Android if device has Wifi disconnected

UE - Platform - Mobile - Mar 10, 2016

Launch On crashes on a Android devices if networking is disabled. This used to work and should not crash. ...

PlayMontages can break after binding an actor with an AnimInstance inside a LevelSeuqence.

UE - Anim - Sequencer - May 28, 2025

When an Animation Sequence is overridden by a LevelSequence, and later reverts to its original animation state, the AnimInstance fails to properly reinitialize. This prevents subsequent animation lo ...

Copy-pasting an actor property that is a set of strings adds extra quotes and escapes

UE - Editor - Workflow Systems - Aug 24, 2025

Copy-pasting an actor property that is a set of strings adds extra quotes and escapes. The licensee has reported: The problem doesn't happen for example for properties of types set of integers, nor ...

Linux: Assertion at splash screen when trying to open UE4Editor

UE - Platform - Linux - Mar 21, 2017

I ran into this while looking to verify [Link Removed] at CL 3355923. I logged the issue I was verifying the fix for last night and have not updated anything locally, so the "OpenGL 4.3 not supporte ...

New VR-Basic level triggers Metal validation layer assertion

UE - Platform - Apple - Mar 16, 2020

This was discovered externally and reported on UDN here: https://udn.unrealengine.com/questions/563268/mac-editor-crash-when-disable-ambient-occlusion.html ...

Crash when client tries to connect to server instance using WP

UE - World Creation - Worldbuilding Tools - World Partition - Apr 10, 2023

Crash when creating StaticMesh repeatedly

Tools - Nov 21, 2014

UE4Editor crashes when creating static meshes. Event at startup time while it tries to create default object it crash sometimes. ...

Crash when starting VREditor and then changing levels

UE - Editor - Workflow Systems - Jul 26, 2016

attached video below if you are unsure of repro ...