HISM(Hierarchical instance static mesh) has lightmap problem after building lighting

UE - Graphics Features - Aug 5, 2018

HISM has lightmap issues after build lighting ...

Broken Composite Decorator

UE - AI - May 14, 2019

Reported by Square Enix on UDN, ...

Renderdoc failing to capture

UE - Rendering Architecture - Nov 13, 2023

This is not an issue in Release-5.2. ...

Soft Raytracing Shadows are flickering

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

[Image Removed][Link Removed] ...

Date Time node to Time span node returns inconsistent values

UE - Gameplay - Blueprint Editor - May 5, 2017

When subtracting two date time sets to find the time span between them, the results are inconsistent. The results given give the total number of the unit measured for the time elapsed were as others ...

Actors attached to editor only actors have incorrect location in PIE

UE - World Creation - Worldbuilding Tools - World Partition - Jan 19, 2024

Packaging failed with disabled plugin

UE - Foundation - Cpp Tools - Oct 9, 2018

Disabling any plugin causes packaging failure. No repro in 4.19 Also occurring when Disabling all platforms except for windows and changing configuration from development to shipping. ...

PIE window does not match what was set in the New Viewport Resolution setting

Tools - Oct 24, 2019

Setting the resolution of PIE to 4K Ultra HD results in the new PIE window going very far out of the bounds of 4K. If you are using two monitors the PIE window will bleed over a good bit into the ot ...

Blueprint Instanced static meshes generated in construction script do not bake lighting properly

UE - Graphics Features - Mar 12, 2015

Blueprint's with an instanced static mesh that has instance components added via construction script will fail to build lighting correctly when the pivot is placed outside the lights radius. This ...