Crash with Assert after adding large sections to landscape

UE - Graphics Tools - Terrain - Jun 7, 2023

This is a regression as it does not happen in //UE5/Release-5.1.1 ...

Array of structs does not animate sub properties correctly in Sequencer.

UE - Anim - Sequencer - Oct 4, 2024

Support for animating arrays of structs should either be disabled, or supported. ...

Getting Relative Location of an Object That Once Simulated Physics Returns World Location

UE - Simulation - Physics - Dec 10, 2015

Attempting to get the Relative Location of a component that once simulated physics, but has been dynamically set at runtime to not simulate physics returns the World Location instead until the actor ...

Sound Track in Matinee Ignoring Track Location and Playing Audio at Beginning of Sound Wave/Cue

Tools - Sep 22, 2015

When scrubbing the Matinee handle with a Sound Track added, no matter the location of the handle, the sound wave associated will play from the beginning of the audio file. Tested in 4.8.3 - 2634408 ...

Adding Megascans 3D objects to a scene can cause Twinmotion to freeze and Crash on macOS.

TM - Core - Dec 11, 2024

Looking at the logs when it happened, the logs are spammed with the following: [2024.12.10-20.34.12:438][514]LogZenServiceInstance: Display: Unreal Zen Storage Server HTTP service at [::1]:8658 sta ...

Controller Mapping/Unmapping on some platforms is not ideal for local multiplayer

UE - Gameplay - Input - Nov 19, 2025

[Link Removed] The workaround is as I posted in the UDN, to override the viewport client or to make a custom slate input mapping to change this behavior. But, there is a bug with that unmapping/l ...

Sequencer : Attaching a Possessable to multiple Spawnables across multiple cuts causes incorrect location restoration

UE - Anim - Sequencer - Nov 12, 2021

Regression No, according to affects versions 4.27 and 4.27.1 The restore process proceeds in the following order : 1. Remove spawnable actor in first cut (no effect because the actor is already r ...

Replicated components spawned by CreateComponentOnInstance are broken by object reuse

UE - Gameplay - Apr 5, 2023

When the gameplay framework component manager creates components as part of CreateComponentOnInstance, it passes in the requested class name as the literal name of the component instead of using the ...

Gameplay Tags sourced from a Composite Data Table do not reflect changes made to its parent tables

UE - Gameplay - Gameplay Tags - Dec 5, 2025

When a Composite Data Table is included in the "Gameplay Tag Table List" on the Project Settings, making and saving changes to one of its Parent Tables does not cause the Gameplay Tag Tree to refres ...

On the Details Panel of Niagara Function Inputs, the Type selector does not show "Static" types.

UE - Niagara - Apr 7, 2025

Consider a Niagara Function or Module Script containing a Static Switch node. If the "Expose as Pin" option is enabled for its selector variable, an input pin with type "static bool" appears. In one ...