Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled

UE - Graphics Features - Aug 27, 2019

Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...

Jittering appears when setting DOF in ES3.1

UE - Platform - Mobile - Oct 5, 2021

For reference, it was fine in 4.24 In particular, jittering is severe when the camera is moving. GaussianHalfRes has been removed in CL 14036168, which is likely to cause degradation issues if int ...

Crash on mobile OpenGL with a retainer box

UE - Platform - Mobile - Nov 23, 2022

GAS: OnTagUpdated() not called when calling SetLooseGameplayTagCount()

UE - Gameplay - Gameplay Ability System - Dec 10, 2024

Context AbilitySystemComponent has a virtual function virtual void OnTagUpdated(const FGameplayTag& Tag, bool TagExists); that gets called when a gameplay tag gets added or removed, so whenever ...

Multi-Material Skeletal Meshes assigned a Material in Details panel lose access to all other materials

OLD - Anim - Nov 21, 2014

When you assign a Material to a Multi-Material Skeletal Mesh via the Mesh's Level Viewport Details Panel, you will lose access to all the other material Elements after the first assignment. For ins ...

Moving an actor between levels causes properties marked DuplicateTransient to reset to default

Tools - Nov 22, 2017

Currently, properties marked DuplicateTransient will be reset to default when their actor is moved to a different level. This happens because we use the clipboard to virtually cut the actor out of o ...

FRotator::SetClosestToMe(FRotator) Doesn't Set The Correct Value

UE - Foundation - Core - Dec 10, 2019

FRotator::SetClosestToMe(FRotator) doesn't set the correct value. Attached are files with the demonstrative code. Found in 4.23.1 CL#9631420 Reproduced in 4.24 Preview 4 CL#10570792, 4.25 CL#10520 ...

Landscape Component LODBias parameter is broken

UE - LD & Modeling - Terrain - Landscape - Apr 27, 2020

Area Lights casting Specular regardless of material specular value

UE - Graphics Features - Sep 30, 2021

The rectangle lights ignore the specular value of lit materials and will apply a specular highlight to them regardless of the value. you can compare the result against a standard point light and you ...