Setting Simulate Physics on a Non-Root Component in a Replicated Actor Causing Offset on Client

UE - Networking - Mar 30, 2017

Setting Simulate Physics on a non-root component in a replicated actor is causing the static mesh component to be offset on the client. ...

FNetGUIDCache warning when attaching non-replicated component to a replicated scene component

UE - Networking - Jul 18, 2024

When the replicated scene component's AttachChildren array is replicated, the package map attempts to serialize the non-replicated component, causing the warning that the object is not supported. ...

Client references to non relevant actors that go NULL never remap when relevant again

UE - Networking - Nov 5, 2015

https://udn.unrealengine.com/questions/267570/actor-variable-pointer-null-after-net-relevancy-lo.html#answer-267836 ...

Dropdowns display incorrectly in non 1:1 zoom in BP on Mac and PC

Tools - Nov 16, 2016

On a Mac in UE4.14, drop down menus on the appropriate nodes will not display correctly when the Event Graph is zoomed out below a 1:1 ratio. Regression: Does not occur in UE4:13 ...

Get Data Table Row cannot accept non-literal Data Table input information

UE - Gameplay - Blueprint - Mar 16, 2015

Get Data Table Row node cannot accept non-literal input in the "Data Table" input. Additionally, this cannot be promoted to a variable. ...

SDF/Mesh Cards do not follow material settings applied on static meshes.

TM - Core - Feb 4, 2025

Building SDF and Mesh Cards require material properties (2 sided and blend mode) applied on Static Mesh to be known at Static Mesh build time. If not, it may leads to rendering artifacts: Reflectio ...

Two-Sided Shadowing on Planes and Landscapes with non-flat Normals are Incorrectly Lit

UE - Graphics Features - Dec 17, 2015

When using a Two-Sided Material and Shadowing Two-Sided for a Plane or Landscape, with non-flat normals, there are parts of the material which are still illuminated. I have provided a test project ...

Setting Tick Interval in GameMode to non-zero causes the game to freeze on pause

UE - Gameplay - Sep 22, 2016

If Tick Interval is set to something non-zero, the game will freeze when Set Game Paused is called. If not manually closed through the Task Manager, this will lead to an out of memory crash. This ...

Non-deterministic actor names created by ChildActorComponent if level uses OFPA

UE - Framework - Blueprint - Feb 16, 2026

The bug only happens when the ChildActorComponent is added to the BP after placing instances and saving the world. Adding the ChildActorComponent after this will result on the name of the child acto ...

All ELinearConstraintMotion pins in BP reset to "Free" when converting a project to 4.26

UE - Simulation - Physics - Feb 24, 2021

When using any of the Set Linear Limit nodes (X/Y/Z) and converting a project from a previous version of the engine, the nodes get their Constraint Type value reset to Free. I tested this with proje ...