Crash occurs when using the VisRT console command in a project launched without the Editor using D3D12

UE - Graphics Features - Feb 6, 2017

Launching a project outside of the Editor (-game) using D3D12 (-d3d12) results in a crash if the console command VisRT is used in the project. ...

Hypotenuse node unexpectedly returns "-nan(ind)" instead of "0.0" if both values passed into the node are "0.0"

UE - Gameplay - Blueprint - Feb 1, 2019

The Hypotenuse Blueprint node currently returns a value of "-nan(ind)" if both values passed into the node are "0.0". This result is correct based on the code that the Hypotenuse node uses, but is n ...

Inherited UserWidgets can't create animations that bind to widgets on their parent's WidgetTree

UE - Editor - UI Systems - UMG - Nov 7, 2022

Animating an inherited widget from a child UserWidget class appears to work, but the bindings don't resolve properly and the animation is null at runtime. This workflow should either be supported, o ...

FMath::Eval ignores groupings while solving

UE - Foundation - Nov 8, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL20979098 FMath::Eval ignores groupings while solving problems. This has caused some confusion with users who are expecting the groupings to b ...

Object Load order issue in Blueprint Editor

UE - Gameplay - Blueprint Editor - Oct 21, 2024

[Image Removed] change FindObject to StaticLoadObject might fix this issue ...

Find in Blueprints: Default values of TMap keys are not returned

UE - Framework - Blueprint Editor - Sep 3, 2025

Context Find-in-Blueprints can be used to search the current, or all, blueprints. If you enter a simple string, it would return nodes, pins, pin default values and default values for BP Variables ( ...

Child actor component mesh actor does not update transform with child actor component in parent blueprint

UE - Gameplay - Oct 22, 2015

if a child actor component is set to a new child actor at runtime, the actor will not update with the transform of the child actor component in the parent blueprint. ...

Steam VOIP will drop packets with more than two people talking at once

UE - Online - Oct 5, 2016

VOIP has a limited amount of concurrent clients talking before packets start to get dropped. ...

No shadow cast after Static Mesh Editor material assignment

UE - Editor - Content Pipeline - Datasmith - Importer - Apr 21, 2020

This is a Rhino file. Shadows are not cast on the Static Mesh after materials are assigned in the Static Mesh Editor. This was reported and tested in 4.24.3 (CL-11590370). This was reproduced in 4. ...