Modifying a Static Mesh's "Y" Collision Rotation also modifies "X" and "Z" Rotation

UE - Gameplay - Dec 12, 2016

If the user modifies the "Y" Rotation value of a Static Mesh's Collision, the "X" and "Z" values are changed. The values will move +/- 1 point from their value prior to modifying the Y value. This ...

IOS 11 Freezes When Generating Particles Using SphereMask

UE - Platform - Mobile - Nov 16, 2018

When playing a particle using SphereMask, iOS 11 device terminal freezes.This issue is not a crash, it's screen freeze. Reproduced deviceiphoneX :iOS 11.4.1iphone7 :iOS 11.4.1 Not reproduced devic ...

Poor performance when Player Collision view mode active in City Sample

UE - Simulation - Debug Tools - Apr 2, 2024

The Editor become unresponsive and then has very low frame rates after activating the Player Collision view mode in the Small_City_LVL and Large_City_LVL maps in the CitySample project. The curre ...

Possible crash reimporting destructible assets

UE - Simulation - Physics - Destruction - Jan 20, 2017

This won't always happen, but the call in ImportDestructibleMeshFromApexDestructibleAsset to LODModel.ReleaseResources(); will enqueue render commands to release the resource, but the call after tha ...

Unable to import animation data from fbx with bone names starting with a number

UE - Anim - Rigging - Control Rig - Jul 31, 2023

When importing animations with numeric names from fbx in UE5.2 or later, the AnimationSequence asset is created but the animation data is not imported. The workaround is to not prefix bones with num ...

The default Direct Link texture path is no longer set in Twinotion settings

TM - Interoperability - Jun 27, 2024

Default path for DL is not correctly set and should be set to the following: C:\Users%USERNAME%\Documents\Twinmotion2024.1\DirectLinkTextures See attached screen-shot ...

Shooter Game: High Rise is rendering Red Artifacts in Reflections and AO

UE - Graphics Features - Jun 11, 2015

When running Shooter Game, Highrise map, there are red artifacts rendered in the boundary areas between AO and Reflections. This is a regression from 4.7.6. In 4.7.6 - [Image Removed] In 4.8.0, Li ...

OnClick Events for buttons in 3D Widgets not firing in Multiplayer

UE - Editor - UI Systems - Mar 6, 2017

OnClick Events for buttons in 3D Widgets not firing in Multiplayer. This issue only affects the button component as other Widget components that used the Left mouse button function as expected Regr ...

If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred

UE - Platform - Mobile - Jun 17, 2020

When High Quality Gaussian DoF on Mobile is enabled, the entire screen is always blurred.  I confirmed that it works properly in 4.24. Also, I confirmed that adding the modified CL of [Link Remove ...

Max loop iteration threshold not being reached before infinite loop is triggered

UE - Gameplay - Blueprint - Aug 29, 2019

Infinite loop is called when the loop is implemented by only one, one time. When the set up should not flag anything until iteration 1,000,000. [Link Removed] [Link Removed] ...