Can Ever Affect Navigation does not detect updates to collision settings at runtime

UE - AI - Jan 27, 2016

When a mesh has its collision updated during runtime the navigation around the mesh does not update. Workaround: If the mesh is set to simulate physics then updates to its collision will update nav ...

Subsurface shading model is broken when ray traced shadows are used in 5.1+

UE - Graphics Features - Ray Tracing - Apr 19, 2023

Lyra 5.5 - LAS_ShooterGame_SharedInput has got a missing reference on InputMapping #1

UE - Gameplay - Input - Jan 27, 2025

The templated Lyra project for 5.5 is missing a reference to IMC_Default_KBM on /ShooterCore/Experiences/LAS_ShooterGame_SharedInput because it looks like IMC_Default_KBM was renamed to IMC_Default. ...

[CrashReport] Crash related to refreshing Destructible Mesh - SaveExistingSkelMeshData()

UE - Simulation - Physics - Destruction - Jul 20, 2017

This is a common crash affecting users in 4.16. User DescriptionsPressing the button to restart the basic mesh in the destruction editor causes the crash.Refreshing a Destructible Mesh that has had ...

Negative values in Display 1.7 of the Math_Hall map are not graphed correctly in ContentExamples

Docs - Samples - May 4, 2017

This is a regression from 4.15.2 ...

Investigate crash reported with 4.16 on Sony Xperia Z3 running Marshmallow

UE - Platform - Mobile - Jun 28, 2017

A user has reported a crash that is occurring on his Sony Xperia Z3, https://answers.unrealengine.com/questions/667998/4161-dev-build-app-crashes-on-start-unfortunately.html The user has attached ...

Log Warning: LogRender:Warning: Missmatch between bShouldGenerateLowQualityLightmaps(0) and r.SupportLowQualityLightmaps(1)

UE - Graphics Features - Jul 13, 2016

The issue occurs in //UE4/Main as well. This issue can be easily seen by opening any project at latest. It has been observed in new projects both with and without starter content. ...

Foliage deleted in 4.6 and 4.6.1 appears in 4.7

UE - World Creation - Worldbuilding Tools - Foliage - Dec 23, 2014

Foliage that has been deleted in 4.6 will return when a project is migrated to 4.7. ...

Teleport only affects static mesh of destructible meshes, collision remains at original location

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

Teleporting a destructible mesh only transports the mesh of the object, the collision remains where it was originally located. Further, if the player runs into the collision, the static mesh will re ...