Unreal Engine Issues

Clients unable to control their character if GameMode/State is persisted through seamless travel

Normally during seamless travel, the GameMode and GameState are only kept when traveling to the transition map, not when going from the transition map to the destination. If these actors are kept al ...

BulkDataManifest asset is non-deterministic

FPackageStoreBulkDataManifest:: Data ** is not sorted. It generates a difference, Here's a workaround void FPackageStoreBulkDataManifest::Save() { TUniquePtr<FArchive> BinArchive(IFileManager:: ...

Using High Resolution Screenshot while the viewport is in Full Screen causes massive performance issues after the screenshot is successfully taken until the Editor is restarted

This is a regression. Maybe Binary only if it hasn't already been fixed. Tested in:StreamCLTypeResults//UE5/Main18386535PerforcePerformance is normal after screenshot//UE5/Main18218925Perforce Per ...

Volumetric Clouds appear in front of foreground objects in the Right Eye of VR Headsets

It seems that volumetric clouds in the background appear in front of objects in the foreground in the right eye of a VR headset. I also tested in //UE4/Release-4.26 @ CL 15973114 and the results wer ...

udatasmith runtime import does not work properly

The udatasmith is created through the unofficial blender exporter that seems to still be using SDK 4.24E0 ...

Reflection result of clear coat bottom normal is not correct.

This problem tends to appear in the southern hemisphere of spherical objects. It is not reproduced in 4.19. ...

Using the Transform Tool to manipulate multiple Event Trigger keys at different times in the Sequencer Curve graph sometimes causes crash

This is not a regression. I was able to reproduce the crash in 4.26. Using the transform tool to manipulate keys for an Event Trigger within the curve editor of sequencer sometimes causes it to cra ...

Groom is visible in editor on linux but not in cooked version

Niagara Mesh Particles do not work with Refractions from Ray Traced Translucency

Volumetric Render Target Mode 2 is blending past frames.

Volumetric Render Target Mode 2 is blending past frames in Time of day map with the volumetric clouds.  This is a regression due to it not happening in 4.27 ...