A GeometryCollection that was broken and is going through shrinking will reset the size of its particles if a second level is broken

UE - Simulation - Visual - Oct 18, 2024

Might relate to issue [Link Removed] In Progress - "The Remove-On-Break feature, set on Fracture Mode on Geometry Collectio ...

Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale

UE - Simulation - Core - Nov 22, 2024

Calling BodyInstance.UpdateBodyScale displays erratic behaviors and does not update the rendering scale. The licensee has reported and presented a repro project that displays the erratic behavior of ...

Crash caused by a race condition in Nanite::DispatchBasePass()

UE - Rendering - Graphics Features - Nanite - Feb 25, 2026

Nanite::BuildShadingCommands() launches two asynchronous tasks: ShadingCommands.SetupTask ShadingCommands.BuildCommandsTask BuildCommandsTask is responsible for modifying ShadingCommands.Commands ...

A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast it immediately disappears by hitting the world limits

UE - Simulation - Core - Jan 20, 2025

A Skeletal Mesh simulating physics that hits a Geometry Collection Actor with OneWayInteraction true, OneWayInteractionLevel 1, and is using Damage Propagation (default) will be accelerated so fast ...

Translucent deferred decal materials look different when setting specular attribute directly or via constant node

UE - Rendering - Architecture - Materials - Nov 28, 2025

Translucent deferred decal materials look different when setting their specular material attribute directly on the material node versus setting it via a constant node ...

LODbias settings appear to have no effect when specified by GPU on android

UE - Platform - Mobile - Oct 3, 2019

When setting the LODbias via the device profile for a specific Android GPU it does not appear to have an affect on the textures when run on the device ...

Motion Matching FPS instability causes jittering when using the root offset node

UE - Anim - Gameplay - Feb 23, 2026

Offset root node is affected by frame rate and produces jitter in it's motion across various settings and styles. ...

Shader Complexity not working correctly on Deferred Decals

UE - Rendering - Graphics Features - Sep 3, 2020

If you place a deferred decal in the world and then set the view mode of the viewport to "Shader Complexity", the decal doesn't affect the complexity value. ...

Rigidbody world space simulation overwrites scaling of the skeletal mesh

UE - Simulation - Core - Nov 14, 2022

Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Not a Regression. ...