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

UE - Graphics Features - Aug 5, 2018

HISM has lightmap issues after build lighting ...

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] ...

Niagara particles with collision will continue to move along World +Y-axis

UE - Niagara - Apr 7, 2022

Niagara particles with collision slide in the direction of World +Y-axis after the point they should have stopped. If the user uses multiple systems in the same spot all the emitters appear to bounc ...

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 ...

Interface function has the incorrect pin type if referencing self

UE - Gameplay - Blueprint - Sep 1, 2015

Interface function has the incorrect pin type if referencing self User Description: I have an interface that requires an array of its own interfaces as output. I have that array of interface as a ...

"Active" marker on shot track scales improperly when using Time Scale

UE - Anim - Sequencer - Apr 21, 2017

"Active" marker on shot track scales improperly when using Time Scale ...