Crash in FPrimitiveSceneProxy::UpdateInstances_RenderThread in CitySample

UE - Rendering Architecture - May 5, 2022

The following check fails occasionally: check(InstanceCustomData.Num() == (NumCustomDataFloats * InstanceSceneData.Num())); I was not able to narrow down more precise repro steps, but it appears t ...

[Source Effect Chain][Blueprint] -Add Source Effect To Preset Chain Has No Effect

UE - Audio - May 4, 2022

Add Sound Effect to Preset Chain has no effect on the Source Effect Chain. [Link Removed] ...

Distance field shadows cut out early in the second eye

UE - Platform - XR - May 3, 2022

Distance field shadows have artifacts in the second eye in XR as shown on the picture. [Link Removed] ...

Imported FBX or USD tree - visually missing geometry when converted to Nanite

UE - Graphics Features - Nanite - May 3, 2022

When the static mesh tree (brought in thru USD/FBX) is converted to Nanite - the tree thins, or rather visually thins - the thinner branches and/or leaves do not render in the viewport and go missin ...

Old iTunes DLL causes UBT to fail on startup

UE - Platform - Mobile - May 2, 2022

References to external actors are not removed when a data layer is deleted

UE - World Creation - Worldbuilding Tools - World Partition - Apr 21, 2022

Data layers still contain references to external actors when they are deleted. ...

Objects in the Viewport in QAGame project are displayed in low resolution.

UE - Rendering Architecture - RHI - Apr 21, 2022

Repro rate: 3/3 Objects in the viewport in QAGame project displayed  in low resolution. Issue reproduced for precompiled and not precompiled builds. Not reproduced in newly created blueprint third ...

Crash after activating the game in debug camera mode

UE - Content - Sample - Apr 20, 2022

This behavior occurs in Standalone mode. After activating game, the information board for the game changes its meaning ( numbers of players and time set to 12:00) , but editor immediately freezes fo ...

VirtualHeightfieldMesh shadow issues

UE - Graphics Features - Apr 19, 2022

A UDN reported ensure being encountered with VirtualHeightFieldMesh rendering on UE5. Those ensures remain an issue on 5.1 (UE5/Main) as of CL 19779838. [Link Removed] Attempting to repro on PC, th ...