Screen Space Ambient Occlusion Artifacts

Docs - Samples - Apr 3, 2015

Flickering occurs when using the Post Process Ambient Occlusion (Screen Space AO). This is more noticeable when using stronger values entered into the AO fields. I checked these settings in both 4 ...

Using Execute Console Command in a custom Game Instance causes Standalone Game to crash

UE - Gameplay - Blueprint - Jan 15, 2015

Using Execute Console Command in a custom Game Instance causes Standalone Game to crash. Also occurs in 4.6.1: CL-2386410 and 4.7 Preview: CL-2403078 Crash Report: [Link Removed] Call Stack:UE4Ed ...

Set Text Render Color registers max value instead of actual value from random floats

UE - Gameplay - Blueprint - Nov 5, 2014

When attempting to change the value of set text render color to a random value, the node will only register the maximum value in the range. ...

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. ...

Post Process Volume Priority Doesn't Affect Post Process Materials

UE - Graphics Features - Sep 17, 2018

Post process volume priority doesn't affect post process materials. Found in 4.19 CL# 4033788, 4.20 CL# 4302132, and 4.21 CL# 4369303 ...

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 ...