SpiralBlur-SceneTexture Does Not Compile If Raytracing Enabled

UE - Graphics Features - Lumen - Jul 22, 2019

The material function SpiralBlur-SceneTexture, does not compile in DX12 mode. Found in 4.22 CL# 7053642, 4.23 CL# 7321677, 4.24 CL #7474192 ...

Tessellated Materials Displayed as 0 in Shader Complexity ViewMode

UE - Graphics Features - Sep 11, 2019

Tessellated Materials Displayed as 0 in Shader Complexity ViewMode. Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8588088 ...

Simulating forking bones ignores import scale

UE - Simulation - Physics - Dec 12, 2019

Simulating the children bodies, but not the parent, of a skeletal mesh imported with a uniform scale not equal to 1, seems to ignore the imported scale, instead using their initial relative location ...

Crash when building lighting with a Basic shape in the level

UE - Graphics Features - Lumen - Oct 25, 2019

Crash occurs when building the lighting with any Basic shape in the level. This crash occurs with Niagara plugin both enabled and disabled. This issue does not occur in 4.23 Issue only occurs on M ...

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 ...

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 ...