UV Flipping Mode Causes Stretching of Particles

UE - Niagara - Nov 17, 2017

If "UVFlipping Mode" under Rendering on the Required node of an emitter is set to anything other than "None," the particles can become stretched and distorted. As a workaround, I have discovered th ...

Adding HISMC instances resets wind for all existing instances

UE - Graphics Features - Jul 6, 2018

When adding new HISM instances, actors using SpeedTree -> WorldPositionOffset material are reset. 4.19 Repro project provided by user. I was unable to get WPO wind working in 4.18, I did noticed th ...

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. ...

Eye Shading Model renders Emissive unexpectedly when using a FloatRGBA scene format

UE - Graphics Features - Apr 5, 2024

This appears to be caused by the colour format. It only occurs when the scene format has an alpha channel. FloatRGB (format 3) doesn’t exhibit these issues. Unfortunately, format 4 is the default fo ...

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor

UE - Networking - Feb 22, 2016

Connecting a Client to a Server in PIE with Auto Connect to Server disabled will crash the editor. EDIT: simple test project attached. Make sure Auto Connect to Server is disabled, and PIE with 2 p ...

Allow having TArray with index size using 64 bits instead of 32 bits

UE - Foundation - Core - Apr 27, 2018

With the geometry data getting bigger and bigger we hit more often the int32 limits of the default TArray. All geometry data is store in array so we cannot have more then 2GB of vertexinstances or t ...

VCAM 2.0 - No signal on iPad from Mac OSX

UE - Virtual Production - Tools - Virtual Camera - Jul 19, 2021

UDN case link with this ticket [Link Removed] ...

Logging in Shipping Builds on Android are not saving

UE - Platform - Mobile - Oct 17, 2016

Logs aren't being saved on Android devices, even when the source files are updated to reflect output logs. However, they were working in 4.12. iOS logs are showing up in shipping. ...

Content Examples: Example 1.5 is stiff in Cloth Map

Docs - Samples - Apr 26, 2017

Example 1.5 on Cloth Map seems very stiff in 4.16 compared to 4.15. Regression: Yes Works in 4.15 ...