Texture Sample 2D Parameter not Working with WPO on Mobile Quality ES3.1

UE - Platform - Mobile - Jun 30, 2017

WPO does not accept TextureParameter2D nodes when deployed to High End Mobile. The interesting thing is that all other inputs accept Param2D, so it is not entirely clear why WPO is not working. If ...

Visibility of World Outliner doesn't affect skylight

UE - Graphics Features - Nov 27, 2018

Visibility of World Outliner doesn't affect skylight. But it affects other kinds of lights like Point Light, Directional Light. I found that USkyLightComponent::CreateRenderState_Concurrent() doesn ...

NavMesh does not update properly when "Can Ever Affect Navigation" is toggled (For Static Meshes)

UE - AI - Sep 15, 2015

This issue is related to [Link Removed] (which was fixed). However if the user creates a new actor and then adds a static mesh they can end up with permanent holes in their nav mesh. If the user tog ...

iOS ReplayKit isn't working in UE5.1+

UE - Platform - Apple - Apr 21, 2023

In 4.27 & 5.0 when you press the in-app screen recorder button it would pop-up a msg about the user giving permission to allow the screen recording and then would start the recorder and save the mov ...

Adjusting Lighting Rig Rotation manually only affects the sky and not the lighting

UE - Gameplay - Aug 2, 2016

In the Preview Scene Settings, adjusting the Lighting Rig Rotation setting manually doesn't affect the lighting. It only affects the sky. ...

"Error Provision not found" even though the provision is present and valid in 4.13.1

UE - Platform - Mobile - Oct 31, 2016

A few users are reporting on the Answer Hub and in the Forums that they are getting the following error in their output logs: "Error Provision not found" even though the provision is present and va ...

The 'Add Movement Input' node no longer functions on a Default Pawn

UE - Gameplay - Apr 1, 2015

The 'Add Movement Input' node no longer functions on a Default Pawn. This worked in 4.5.1 & 4.6.1. ...

character movement velocity negatively affected by framerate

UE - Gameplay - Oct 28, 2015

Lower framerates directly affect the velocity of a character's movement if that velocity is provided by another source. ...

BP hierarchy change triggers incorrect map actor load warning: AttachTo: '{0}' is not static {1}, cannot attach '{2}' which is static to it.

UE - Gameplay - Blueprint - Apr 11, 2024

When a blueprint's component hierarchy is changed by changing a child component's mobility value to Static while deleting its parent component which has Movable mobility, levels saved with an outdat ...

The cap of a sliced procedural mesh is not affected by lighting

UE - Gameplay - Jul 14, 2016

After slicing a procedural mesh, the cap on the sliced end does not seem to be affected by lighting. This can result in the end looking dark. ...