Foliage: Speed tree wind is reset for every add/remove/update on instances

UE - World Creation - Worldbuilding Tools - Foliage - Jul 10, 2018

Foliage: Speed tree wind is reset for every add/remove/update on instances What is happening:When we invalidate the render state, proxy are recreated, causing the wind to be removed and add again, ...

Unable to name a component if the name was used on a deleted component

Tools - Jan 29, 2015

When deleted a component in the in world component editor, that name cannot be used for another component until the editor has been restarted. ...

UMG screen size setting needs update for new mobile devices

Tools - Oct 29, 2018

We're missing settings for iPhone XS iPhone XS Max iPhone XR Google Pixel 3 Google Pixel 3 XL Samsung Galaxy Note 9 We also don't have settings for iPad 5th Gen or iPad 6th Gen, however these would ...

Volumetric Lightmaps do not work with Landscape texture mapping

UE - Graphics Features - Feb 13, 2019

It appears that the Lightmass Volumetric Lightmap does not work with Landscape textures. When it samples the Landscape with some textured material, the resulting lighting build data does not match t ...

Client movement and animation are heavy jittered on listen server

UE - Gameplay - Player Movement - May 10, 2019

The listen server will see jitter in clients character movement and animations. This is hard to notice without the "slomo" command but is extremely obvious using "slomo". Clients will see server and ...

Scaling with Vive Controllers in VR Mode with Blueprint Editor Open Causes Windows to Jitter Violently

UE - Editor - Workflow Systems - Jun 18, 2018

On Mac in VR Mode, when scaling the world with the controllers while the Blueprint Editor open, all open windows begin jitterring violently. This only occurs if the Blueprint Editor is one of the op ...

Sharing Material shaders wastes memory and disappears from the memreport

UE - Graphics Features - Jul 18, 2019

Enabling bShareMaterialShaderCode breaks memory tracking and wastes memory due to issues in ShaderCodeLibrary. It is also worth noting that after cooking with bShareMaterialShaderCode enabled causes ...

Setting an overlay's alpha to 0 does not display as fully transparent

Tools - Feb 19, 2020

Safe zone overlay ignores alpha when set to 0.0 in DefaultEngine.ini. Tested:  4.23.1 CL#9631420 , 4.25 CL#11341939 ...

State Tree needs to be compiled again after reopening the Project

UE - AI - StateTree - May 3, 2022

It seems upon reopening a project with State Trees, they don't always keep their last compiled state or recompile when the project is loading up. Same issue occurred when I removed a Task from a Sta ...

Artefacts with Volumetric Clouds

UE - Graphics Features - Nov 2, 2022

(Enduring Games) Please see UDN - Case includes project and potential fix from customer. Need to verify that it does not affect other parts of the volumetric composition. bHasValidSamples is the sam ...