HTTP If-None-Match response code is incorrect on Macintosh

Tools - Sep 22, 2016

Macintosh implementation for HTTP requests handle If-None-Match against ETags differently than Windows implementation. ...

Same-named variables of other classes listed as references in blueprint

UE - Gameplay - Blueprint - Aug 14, 2015

If a variable in a blueprint is the same name as a referenced variable from another blueprint, using "find references" on the local variable will return references to both the local and the external ...

Attempting to export sequencer camera causes editor to crash on Linux

UE - Platform - Linux - Oct 26, 2016

Trying to export a sequence camera on Linux causes the editor to crash. This does not occur on Windows. EDIT: Crash seems to occur when focus leaves the FileName field. ...

UGeometryCollectionComponent::EventDispatcher gets registered for events twice what can result in duplicate collision events being fired

UE - Simulation - Visual - Sep 18, 2024

UGeometryCollectionComponent::EventDispatcher gets registered for events twice, once in UGeometryCollectionComponent::RegisterForEvents() and again in UChaosGameplayEventDispatcher::OnRegister(). Th ...

Destructible Event OnComponentFracture fires multiple times when Debris flag is enabled.

UE - Simulation - Physics - Destruction - Jul 15, 2015

When using a Destructible that is using the Event OnComponentFracture and the flags for Debris timeout/max separation and Debris Enabled will cause the event to fire for each chunk removed from the ...

Error when exporting OBJ unattended

UE - Editor - Content Pipeline - Import and Export - Dec 1, 2020

When doing an unattended OBJ export with python. The export will fail and give the atteched callstack. ...

Chaos Vehicles - Wheel physics bounds staying in spawn location on server

UE - Simulation - Core - Jun 9, 2023

Vehicle wheel shapes on the server appear to detach from the vehicle and remain at their spawn point when running a networked game. The clients physics representation is ok and as expected, i.e. whe ...

Level will crash if Landscape material layer can't find LayerInfo file.

UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016

Artist had problem open his level after LayerInfo file was deleted ...

Niagara mesh particles have incorrect normals when scaled

UE - Niagara - Apr 27, 2020

Niagara mesh particle normals do not match those of static mesh actors. ...

Crash when selecting an action performed in a diff between two revisions in SVN

UE - Gameplay - Blueprint Editor - Jul 6, 2015

Get nasty crash when performing a diff between two revisions on a BP uasset and then select a parent section that was modified, followed by a specific action performed on that section of the BP. ...