Installed builds of the Engine cannot package game targets with optional game features

Tech - BuildOps - Infra - Mar 10, 2022

The build system supports many types of flags that can be enabled in game-specific Target.cs files to enable things like logging in shipping, target-specific overrides like custom config, or enablin ...

Soft Raytracing Shadows are flickering

UE - Graphics Features - Ray Tracing - Feb 18, 2025

[Image Removed][Link Removed] ...

Farfield shadow in lumen scene

UE - Graphics Features - Jul 21, 2025

Shadows in the Lumen Scene from Lumen's Direct Lighting do not match the world when in the Lumen Far Field. This leads to shadows where there should not be any, and missing shadows where there shou ...

Natively declared Gameplay Tags aren't counted by Reference Viewer when set default by ctor

UE - Gameplay - Jul 11, 2024

Similar to Issue 199247 ([Link Removed]), Natively declared Gameplay Tags aren't counted by Reference Viewer when used in a variable set in a C++ ctor. ...

MRG - Additional Post Process Render have a black alpha channel

UE - Virtual Production - Tools - MRQ - Feb 7, 2026

Additional Post Process renders always have a black alpha channel ...

A sampling result of DistanceFieldAOHistory is shifted to a wrong position.

UE - Graphics Features - Aug 21, 2024

DistanceFieldAOHistory introduces ghosting at low scalability and low screen percentages. This can lead to AO artifacts and a ghosting effect from the character. This issue was also observed on //U ...

Physics Asset primitives are being created with the default Name as None instead of BoneName_PrimitiveType

UE - Editor - Content Pipeline - FBX - Oct 27, 2024

When creating Physics Assets, either by automatic creation upon import, creation from skeletal meshes already in the project, or when we press Generate All Bodies (bottom right of a opened Physics A ...

Linear interpolation occurs on constant tangent curve partially

UE - Anim - Runtime - Feb 17, 2025

When using UV scrolling for a flipbook-like animation in Animation Sequence, creating keys with "Constant Tangent" settings on Curve Editor does not result in an instantaneous change to the specifie ...

AnimToTexture vertex animation stutters on looping frame

UE - Anim - Gameplay - Aug 8, 2025

The AnimToTexture plugin generates an animated texture that results in a stutter when the animation loops. This looks to be related to the code in UAnimToTextureBPLibrary::AnimationToTexture which ...