Math Nodes are not updating on input

UE - Rendering Architecture - Materials - May 11, 2015

Add, Multiply, Subtract and Divide Nodes in the Material Editor are not longer updating on input but on the next node added to the Material. Also Reproduced in Main Promotable-CL-2541904 [Link Rem ...

Discrepancy in capsule distance to floor when crouching

UE - Gameplay - Components - Aug 30, 2017

When crouching is set in the CharacterMovement Component, the distance from the character capsule to the floor increases by one unit while crouching. Regression: No - Same behavior occurs in 4.16.3 ...

Gear VR Touchpad input broken

UE - Platform - XR - Jul 27, 2018

Gear VR Touchpad input no longer functioning in 4.20 Noticed this appearing in 4.20 logs from device (did not appear in 4.19 logs): LogOcInput: Get touchpad main with data 0.000000 0.000000 Also t ...

Material Editor: Highlight/Isolate should warn user when using Nanite Mesh

UE - Graphics Features - Nanite - Oct 27, 2022

Editor should visually warn the user that this feature doesn't work with Nanite, or that the Nanite Preview mesh needs to be enabled (or forcibly enable it when they attempt to use this option), oth ...

Package does not load using Vulkan on Oculus Quest

UE - Platform - XR - Jul 31, 2019

When attempting to open a package using Vulkan, the application is loading and never opens. This happens for Launch On as well. This issue may be related to [Link Removed]. I was not able to reprod ...

Child actor component removed when changing the class of a child actor component

UE - Gameplay - Components - Mar 27, 2017

Child actor component removed when changing the class of a child actor component. Only the default class for the child actor component is used. If the user attempts to change the class the child act ...

Skeletal Meshes with Physics assets with less than 5 bodies will not use flag for Start Awake

UE - Simulation - Physics - Dec 8, 2015

When using a Physics Asset with 4 or less physics bodies the flag for Start Awake cannot be disabled, even if unchecked, when Simulate Physics is set to true. I've attached a project with assets f ...

Mesh painting on staticmesh doesn't always apply Colors to All LODs

UE - Editor - Content Pipeline - Asset Build - Apr 18, 2022

See the video [Link Removed] ...

Crash (Assertion failed "SystemInstanceController->IsSolo()") when enabling "Start with Tick Enabled" on a Niagara Component

UE - Niagara - Oct 17, 2024

Currently, Niagara Components are only expected to have their TickComponent() method called when their system is marked as "Solo", which makes them be simulated individually. In the most common scen ...

Crash When server traveling from one level and then back again after calling a multiclass event (using Play as Listen Server)

UE - Gameplay - Blueprint - Apr 20, 2018

A crash occurs when switching back and forth between levels when using seamless travel. This happens if a multicast was called and if it contains a member variable. ...