Setting Tick Interval in GameMode to non-zero causes the game to freeze on pause

UE - Gameplay - Sep 22, 2016

If Tick Interval is set to something non-zero, the game will freeze when Set Game Paused is called. If not manually closed through the Task Manager, this will lead to an out of memory crash. This ...

memory leak from incorrect PhysX shape ref counting

UE - Simulation - Physics - Mar 9, 2017

PxShapes are created with a ref count of 1, and it is up to the caller to decrement this once the shape has been attached to an actor. There are a handful of places in the code in which this doesn' ...

Local Array elements with text fields do not take focus after making changes in another field

UE - Gameplay - Blueprint - Aug 7, 2017

The Highlight is gray and the field does not take keyboard focus after making changes in the text field of an element of a local array and then clicking into another. ...

Crash during save level and successive load level

UE - LD & Modeling - Terrain - Landscape - Apr 4, 2018

Changing the Max LODLevel on a landscape causes a crash in content examples. ...

Apex Destruction - Destructible Mesh disappears after Fracture

UE - Simulation - Physics - Destruction - Jan 3, 2020

Fracturing a mesh with Apex Destruction in 4.24.1 (CL-10757647) causes the mesh to disappear after clicking Fracture. This behavior was not present in 4.23.1 (CL-9631420). Unable to confirm this in ...

Groom cache shape changed from MAYA after imported into UE.

UE - Editor - Content Pipeline - USD - Mar 28, 2022

Dithered LOD Transitions not Rendering Correctly on iOS with Use Landscape Lightmap feature and Foliage

UE - Platform - Mobile - Jun 21, 2016

Dithering appears aggressive and has a screen door-like effect when using the new Landscape Lightmap in combination with Foliage LOD changes. Owen Stupka attempted to reproduce the issue on his iPa ...

If Visible is off in actor details by default, Visibility track in Sequencer doesn't work in game

UE - Anim - Sequencer - Sep 8, 2016

If Visible is off in actor details by default, Visibility track in Sequencer doesn't work in game. It appears to work when you hit play in the Sequencer Editor, but doesn't work in game. ...