FPS drop (present time increase) when moving the editor windows to secondary screens

UE - Rendering Architecture - RHI - Apr 29, 2022

The licensee has mentioned that they also see an FPS drop without a second monitor, so this can happen just by separating windows out on the same screen. ...

The indirect lighting is black on mobile with sublevels

UE - Graphics Features - Apr 28, 2022

CollisionEvent and other events during ChaosCaching do not occur

UE - Simulation - Physics - Destruction - Apr 22, 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. ...

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 ...

Actor Foliage can't be added to Foliage Paint or Single with World Partition maps

UE - World Creation - Worldbuilding Tools - Foliage - Apr 18, 2022

Actor Foliage can't be added to Foliage Paint or Single with World Partition maps. ...

Montage Time Stretch Curves Scale Incorrectly

UE - Anim - Runtime - Apr 13, 2022

More details in attached UDN [Link Removed] Time stretch curve behaves incorrectly with large sections of in-between values. From the UDN: After using the feature a bit more we also noticed tha ...

Asset localization does not work properly for Paper2D related assets such as Flipbook

UE - Foundation - Mar 18, 2022

This issue is resolved by changing Paper2D's LoadingPhase to PostConfigInit, but this is a workaround. We suggest a better long term fix via AssetRegistry changes (see comments). In the default la ...

Cook failure when World Partition maps have level instances using level blueprints

UE - World Creation - Worldbuilding Tools - Level Instances - Mar 14, 2022

The following cook error results from attempting to package a WP map that has level instances using level BPs: LogCook: Error: PackageSplitter found the Generator package still in memory after it ...

ChunkDownloader does not support Apple's On-Demand Resources

UE - Platform - Apple - Mar 11, 2022

ChunkDownloader etc are meant to work with your own hosting or CDN, ie something you can download with a https:// URL. Even though [Link Removed] system does appear to be https, ChunkDownloader does ...