InstancedFoliageActor experiences issues with floating point precision when far away from World Origin and is not affected by Origin Rebasing

UE - World Creation - Worldbuilding Tools - World Composition - Jul 17, 2020

Foliage generated by Landscape Grass Type do not encounter this issue. Only hand painted foliage with foliage tool is not affected by rebased origin. Foliage vibrates when it is located in long dist ...

Crash when using Share Material Shader Code and Native Metal Libs with r.Shaders.Optimize=0

UE - Rendering Architecture - RHI - Mar 17, 2020

Using r.Shaders.Optimize=0 with native metal libs results in a crash of the packaged build at runtime. Workarounds is to either not use native metal libs for text shaders or in MetalShaders.cpp co ...

iOS apps crash on devices with iOS version 11.2.2 when Metal 2.0 is enabled

UE - Platform - Mobile - Jan 22, 2018

Launching an iOS App that is set to Metal 2.0 on a device with iOS version 11.2.2 causes the app to crash and return to the home screen. This was tested on an iPad Pro as I do not have access to any ...

[CrashReport] Mac/Metal crash due to enabling Metal 2.0 on 10.12.6

UE - Graphics Features - Oct 26, 2017

This is an early trending Mac/Metal crash coming out of 4.18. Mark.S: _Revised Statement: Users are trying to enable Metal 2.0 on 10.12.6. The iOS settings panel lets me show warnings about this st ...

Post Processing continues to affect Sprites after project setting defaults are disabled and all volumes and cameras' settings are disabled

UE - Graphics Features - Nov 19, 2014

After disabling the defaults in Project Settings > Rendering > Default Postprocessing Settings, disabling all GlobalPostProcessSettings volumes, and setting the Post Process Blend Weight in the play ...

The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0

UE - Gameplay - Blueprint - Jan 19, 2015

The default values of a Struct variable in a Blueprint will return to the default values of the Struct on compile when all values are set to 0. Possibly related to [Link Removed] Tested in 4.6.1 a ...

Editor crashes on start up after updating to 5.0 - Assertion failed: (TTraits::WithIdentical || TTraits::WithIdenticalViaEquality) [File:E:\UnrealEngine\UE_RelTestA\Engine\Source\Runtime\CoreUObject\Public\UObject\Class.h] [Line: 1476]

Quixel - Apr 6, 2022

User's are reporting that after updating to 5.0 the editor crashes on start up. This happens when converting an old project, creating a new project, or attempting to open a project. Some are reporti ...

Crouch node does not appear to have any affect when called

UE - Gameplay - Player Movement - Jan 3, 2017

Crouch node does not appear to have any affect when called. The Is Crouching always returns false ...

[CrashReport] Crash CheckForWorldGCLeaks() - EditorDestroyWorld()

UE - AI - Sep 8, 2017

This is a somewhat common but longstanding Mac crash that has affected users since at least 4.13. Recently in 4.17.1, the crashes are all occurring in various ARKit projects User DescriptionsI add ...

Sequencer renders events affecting UMG twice

UE - Anim - Sequencer - Jun 1, 2016

Sequencer renders events affecting UMG twice ...