Unreal Engine Issues

Particles can not be displayed once they disappear in ParticleLOD

I have attached a project to reproduce. [Link Removed] The problem is that if there are multiple emitters It seems to reproduce when all Emitter is Disable. It works well if there is one Enable. [ ...

NumNonClothingSections logic is bad

We use the NumNonClothing section number to iterate in the sections, this is an error if the cloth sections are not at the end of the sections array. See the following picture of a search on NumNonC ...

When searching for the "Timespan / float" the Context Sensitive search returns "Timespan * float"

When searching for the "Timespan / float" the Context Sensitive search returns "Timespan * float". Found in 4.22.3 CL#7053642 Reproduced in 4.23.0 CL#8386587, 4.24.0 Main CL#8671808 ...

Rect lights cause visual noise on the light rendered when using raytracing

Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project. This se ...

Unable to Select Item from list in blueprints under certain conditions

[Image Removed]  This happens with not only enums, but any combo box. Another example is the "Create Event" where you can select a matching function. This is a problem with how this slate widget ...

DX12 crash by lost device while building PSO

It seems to be occurred when exiting fullscreen exclusive mode during the PSO build. And it seems to happen during the loading screen as well as the PSO build. What I suspect is that when focus los ...

Toggle Pose Watch in AnimBP not working with Root Motion from Everything

SkyLight IBL looks blurry on Android

Using a fixed frame rate will cause you to leave the loop section of Montage.

This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...

Source control commandlets do not consistently check provider status for read only or checkout and instead rely on read only state of files