Live Link Hub hang when discovering YUV444 encoded takes in Capture Manager

UE - Virtual Production - IO - LiveLink - May 28, 2025

When using Capture Manager in Live Link Hub to discover takes which contain video encoded with the YUV444 pixel format will cause the application to hang. The Windows Media Foundation library used ...

'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1

UE - Gameplay - Jun 8, 2015

'Greater/Lesser Than or Equal To' nodes do not work consistently with values lower than 1 Note: The issue isn't present with whole numbers (ex: 10 decremented by 1) ...

Set Resolution Scale Value to 100 returns inf (infinite) value

UE - Graphics Features - Dec 5, 2016

Set Resolution Scale Value to 100 returns inf (infinate) value. The resolution returns an incredibly high number (ex: 9,223,372,036,854,775,808) or "inf" ...

Clean DocumentDB setup fails indexing

UE - Foundation - Horde - Server - Feb 21, 2025

Source [Link Removed] The user has encountered the error log: MongoDB.Driver.MongoCommandException: Command createIndexes failed: Implicit collection creation not supported when creating indexes I ...

Foliage meshes do not appear in high res screenshots after certain amount

UE - World Creation - Worldbuilding Tools - Foliage - Aug 24, 2017

When using the Engine's High Res Screenshot tool, there is a limit on the amount of foliage that can be present before the meshes stop appearing. This number is around 1500 meshes, though I was not ...

Early Z-Pass no longer works

UE - Graphics Features - Jun 11, 2019

Since 4.22.2, the Early Z-pass flags are being ignored, resulting in the number of draw calls to increase. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...

Color Information Clamped to a Max of 1 in Cascade Color Modules

UE - Graphics Features - Dec 3, 2014

You cannot enter a value higher than one in any color module. WORKAROUND - You can graph it and select the point you want to change and then set value to any number, but it will be clamped back to ...

Virtual Texture not available in the Material Domain settings of a Material

UE - Graphics Features - Apr 13, 2021

Virtual Texture is not available as an option for the Material Domain. Even if Virtual Texture support is enabled in the project settings. Tested in //UE4/Release-4.25 @ CL 14469661 and this did ...

GPU particles are not showing on Metal / iOS

UE - Graphics Features - Feb 27, 2015

If you place a GPU particle into your project and deploy to an iOS device that supports metal, the asset will not show correctly on the device. I have attached the assets that were used to this rep ...

Disallow connecting 'pose' links in AnimBP to 'wildcard' pins (e.g. Select)

OLD - Anim - Jan 26, 2017

This is a duplicate of [Link Removed] which may have been closed by mistake. In the answer provided by the developer for the AnswerHub question, the "Select Node" is not supported in the AnimGraph ...