Shader compilation error occurs when using values sampled from texture for Customized UV1

UE - Graphics Features - Jun 3, 2021

Shader compilation error occurs when using values sampled from texture for Customized UV1. No problem when connected to Customized UV0. This problem compiles well if I change the value of Const to ...

Size input box too narrow in UMG Widget Editor

UE - Editor - UI Systems - Jan 24, 2022

Only 2 digits are visible in the size box that holds values between 1.0 and 0. Meaning most values will contain 3 digits. This is different from UE4 where more digits are visible. ...

shared texture sampler doesn't work in mobile

UE - Platform - Mobile - Jan 5, 2023

In mobile preview or android device in 5.1 release, M_SharedTexture_Inst material does not render properly due to exceeded sampler slot limit. there was no problem in 5.0.3 ...

Editor becomes unresponsive when selecting BP_FirstPersonChracter0 while Playing in Editor with specific settings

UE - Editor - Jun 19, 2023

This is a regression. Testing //UE5/Release-5.1 CL23901901 When selecting BP_FirstPerconCharacter at run time in a project that has C++, Quality as Scalable, and Ray Tracing enabled the editor free ...

Water body constructor dirties actor

UE - Graphics Tools - Terrain - Water - May 29, 2024

Modify gets called from AWaterBody constructor: WaterSplineMetadata->Reset(3); WaterSplineMetadata->AddPoint(0.0f); WaterSplineMetadata->AddPoint(1.0f); WaterSplineMetadata->AddPoint ...

Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images.

UE - Simulation - Visual - Aug 15, 2024

Using Fracture/Chaos Destruction with TSR as Anti-Aliasing Method generates smeared images whenever the debris are moving. The client pointed out that the issue might come from GeometryCollectionCom ...

Blueprint PaperTileMap Component not Rendering while in Mobile Preview or Launched on Device

UE - Gameplay - Paper2D - Jun 12, 2015

A blueprint with a PaperTileMap component will not render when played through the 'Mobile Preview' or as a packaged project. If the Tilemap alone is dragged into the viewport it renders fine when p ...

Compile 'Note' on BP Interface events

UE - Gameplay - Feb 23, 2017

Compile 'Note' on BP Interface events. It happens in actor BPs and also BP Widgets. A similar issue was fixed back in 4.11 with Custom Events. Could be related? https://jira.it.epicgames.net/brows ...

LODGroup in Static Mesh not properly set when cancelling confirmation

Tools - Jul 8, 2015

LOD Group is not properly set when changing the setting in the static mesh editor. When the LOD Group is changed and the confirmation of overwrite message is cancelled it will still set the LOD Grou ...

Gradual drop in Performance on Windows 10 projects after Toggling Fullscreen

Tools - Nov 30, 2015

It seems that when working in any project on a Windows 10 machine, there is a gradual rise in frames per second and a consistent drop in performance. The user reporting this issue claims his frame ...