AREnvProbe - App crash on iPad if automatic environment capture is enabled

UE - Platform - XR - Jan 9, 2020

This crash does not occur on iPhone devices. Tested on an iPhone X device. When switching environment capture to manual for iPad, the crash did not occur. ...

Particle Systems Don't Play In Reopened Levels With ES 3.1 Enabled

UE - Niagara - Jan 27, 2020

Particle systems placed in levels don't play as expected on level load when using ES 3.1 Preview. Found in 4.24.1 CL#10757647 Reproduced in 4.25 Main CL#11115840 ...

Normals and Tangents cannot be load correctly when re-importing Skeletal Mesh

UE - Editor - Content Pipeline - Import and Export - Jan 31, 2020

This problem started in 4.24 and not in 4.23. CL 9114926 seems to be relevant. ...

Netshowcorrections not showing corrections

UE - Gameplay - Player Movement - Feb 27, 2020

Very few net corrections are displayed when using p.NetShowCorrections. Note: The attached image shows the results using the same settings in 4.22.3 Tested in: 4.22.3 CL#7053642, 4.23.1 CL#96314 ...

Dynamic Delegate for Actor doesn't show up in BP Editor

UE - Gameplay - Sep 21, 2020

The delegates for actor should show up in the Detail tab like components. There should be an "Event" group and list all available delegates, and designers can click on the "+" sign to add event on t ...

Subobject delimiter replacement in ResolveName can cause previously valid strings to exceed NAME_SIZE

UE - CoreTech - UObject - Nov 8, 2021

ResolveName will replace the subobject delimiter (colon) with two periods. This increases the length of the string, and can cause asserts due to the string exceeding NAME_SIZE even when the name was ...

Path Tracing denoiser is not stable in animation

UE - Graphics Features - Nov 30, 2021

When rendering an animation with the path tracer through MovieRenderQueue, at low sampling rates the denoiser produces splotchy results that flicker from frame to frame. The current denoiser (Ope ...

'Decal Blend Mode' in the Result node is missing

UE - Rendering Architecture - Materials - Mar 8, 2022

'Decal Blend Mode' in the Result node is missing. The user that reported this noticed it when converting from early access to Preview 1. Their emissive decals stopped blending. ...

USplineComponent::FindLocationClosestToWorldLocation does not function correctly with non-uniform scale

UE - Gameplay - Components - Jul 19, 2022

Licensee reports incorrect results with FindLocationClosestToWorldLocation when used with non-uniformly scaled spline components. ...