Context sensitive actor list retrieves temp folder data in blueprints while using source control

UE - Gameplay - Blueprint Editor - Nov 12, 2015

If a project uses source control and a blueprint has been diffed against previous revisions, the revisions will appear within the temp folder. This temp folders contents appear in context sensitive ...

Android sessions do not appear in Session Frontend

UE - Platform - Mobile - Aug 29, 2016

Projects are failing when Content/Pak folders are added outside of the saved folder

UE - Platform - Mobile - Oct 13, 2016

When the Content/Pak file is outside of the Saved Folder, it'll crash with an internationalization error. But when the Content/Pak file is inside of the Saved folder, there is not a crash. ...

Crash when adding Actor Array Element to a Sequencer Event Struct

UE - Anim - Sequencer - May 25, 2017

Crash when adding Actor Array Element to a Sequencer Event Struct Error message: Assertion failed: 0 [Link Removed] [Line: 56] Source Context: 42 N = FName(*StringName); 43 ...

Build fails when packaging a specific map that is not using an exclusively nativized blueprint

UE - Gameplay - Blueprint - Oct 17, 2017

REGRESSION: Yes, in 4.17, the following warning occurs instead:UATHelper: Packaging (Windows (64-bit)): Project.GetBlueprintPluginPathArgument: WARNING: Failed to find generated plugin for Blueprint ...

[CrashReport] UE4Editor_SlateCore!SWindow::GetLocalToScreenTransform() [swindow.cpp:737]

UE - Editor - UI Systems - Slate - Oct 27, 2017

This is a trending crash coming out of the 4.18 release. Users have not provided any descriptions of their actions when the crash occurred. Source Context 724 FGeometry SWindow::GetWindowG ...

Crash when changing r.MaterialQualityLevel when FastGeo plugin enabled in cooked build

UE - World Creation - Worldbuilding Tools - Sep 5, 2025

The engine crashes when the r.MaterialQualityLevel is changed in a cooked game that uses the FastGeo Streaming Plugin. The crash doesn't repro with the same steps in Editor, just in a cooked build. ...

AI Pawn Sensing component cannot see and hear at the same time

UE - AI - Mar 12, 2015

Hear events are never fired while See events are fired. They are mutually exclusive, with See events taking priority if both happen. ...

Using "Play Animation" node, if current animation has a looping timed particle it will continue playing

OLD - Anim - Jun 24, 2016

Calling "Play Animation", if current animation has a looping timed particle it will continue playing ...

Cursor Overlap events don't work on characters

UE - Gameplay - Sep 4, 2015

Setting up mouse over events for a character do not trigger. ...