Slider component does not accurately update value if thumb image is large

UE - Editor - UI Systems - May 26, 2017

Slider component does not accurately update the value if thumb image is large in size. The issue is that when a value range on the slider is clicked the thumb should match the associated value; howe ...

Nanite mesh shadows not updating when CSMCaching enabled

UE - Platform - Mobile - May 25, 2024

A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...

CullDistanceVolumes don't update correctly

UE - Graphics Features - May 4, 2021

Changing variable defaults in parent BP does not update changes in child

UE - Gameplay - Blueprint - Dec 9, 2014

The changes made to the values for a transform variable setup in a blueprint will not show up in a child BP until the yellow arrows is pressed to reset to default. Other variable types update autom ...

Compressed anim sequence data isn't updated immediately when a mesh is reimported

UE - Anim - Runtime - Mar 21, 2022

It seems that when reimporting a mesh that has added bones we aren't updating the compressed data within the anim sequences to account for the change in indicies of the virtual bones. If a user cal ...

Linker exception opening project project after updating to 4.25.4

UE - Gameplay - Blueprint - Oct 27, 2020

User has encountered an exception opening their project when they updated from 4.25.3 to 4.25.4. No repro, log or test project is given at the time. ...

Actors attached to a child actor component become unattached after viewport update

UE - Gameplay - Oct 21, 2016

When an actor is added as a child to another actor's child actor through the world outliner, updating the editor viewport causes the added actor to become unattached from the child actor. ...

Materials are not updated correctly in SketchUp files imported with Datasmith.

TM - Interoperability - Aug 6, 2025

This error could be reproduced when doing a direct link like you can see into the attached video.[Link Removed] [Image Removed] ...

Particle Bounds Don't Update Correctly After Moving Particle Component Via BP

UE - Graphics Features - Mar 30, 2017

It appears that particle components don't update their bounds correctly when they are moved in a scene. If a particle emitter isn't currently visible at the start of the game it will remain culled. ...

Save asset dialog doesn't update correctly

UE - Editor - Content Pipeline - Content Browser - Feb 2, 2021