'Max World Position Offset Displacement' causes culling issue on HISMC/foliage in 5.4

UE - Rendering Architecture - Materials - Jul 9, 2024

Foliage/hierarchical instanced static mesh components have issues with culling when their material's "Max World Position Offset Displacement" value is a higher amount, e.g. 100.0. ...

Calling r.DistanceFieldAO command does not work in Shipping Game

UE - Graphics Features - Mar 24, 2015

Calling the r.DistanceFieldAO command does not work in Shipping Game. It is being called from inside the level blueprint with the "Execute Console Command" node. In the example projects I have it ...

Audio Attenuation falloff is applied even when turned off when called in Blueprints

UE - Audio - Aug 24, 2018

The Sound Attentuation is not ignored when disabled as audio played from a Blueprint. Tested in 4.19.2 (CL - 4033788), 4.20.2 (CL - 4302132), 4.21 (CL - 4313833) ...

Trying to set/change an element of a fixed-size TAssetPtr array in the Editor results in a crash.

UE - Foundation - Core - Dec 9, 2016

Trying to set the value of an element of a fixed-size TAssetPtr array in the Editor results in the Editor crashing. This did not occur in 4.13. The attached callstack is from debugging the project ...

[CrashReport] UE4Editor_PropertyEditor!FDetailCategoryImpl::GenerateNodeWidget()

Tools - Aug 3, 2017

This is a trending crash in the 4.17 previews. Unfortunately users have not provided any descriptions of their actions when the crash occurred. Source Context 557 TSharedRef<ITableRow> FDe ...

Crash after clicking the Build button on Linux

UE - Platform - Linux - Sep 17, 2019

This crash is a regression from 4.22.3 (CL-7053642). If lighting is built by selecting "Build Lighting Only" the Editor will not crash. This does not reproduce on Windows with -vulkan. This was rep ...

Importing Camera FBX into a sequence can crash with a headless editor

UE - Anim - Sequencer - Mar 19, 2021

In a headless editor instance we will not be able to send toasts to the user, and we should not notify slate. The Sequencer Tools function library calls MovieSceneToolHelpers::ImportFBXCameraToExist ...

HLOD build fails depending on the value of Loading Range in the World Settings

UE - World Creation - Worldbuilding Tools - HLOD - Jun 14, 2022

HLOD actors are generated on the outliner, but no geometry is generated. An error occurs in the output log. ...

Aligning comment boxes does not move the nodes within them

UE - Gameplay - Blueprint - Nov 13, 2015

Aligning comment boxes does not move the nodes within them. Reproduced in 4.10.0 binary and Main (CL# 2765781). Not a regression: Blueprint node alignment was not available prior to 4.10. ...

When using simple HMD plugin on mobile the camera can get stuck at 45 -90 angle even though the device it back in it's original position

UE - Platform - XR - Jan 19, 2016

If the user uses the simple HMD plug in, then launches on to a device and then follow up by spinning the device a few time the camera will become offset at an odd angle (Reset orientation and positi ...