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. ...

Inconsistent Hit Results with Landscape Physical Material

UE - LD & Modeling - Terrain - Landscape - Apr 18, 2022

The physical material returned from the hit results of a line trace done on a Landscape using a physical material is not always correct. ...

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 ...

Waking both of a constraint's rigidbodies re-enables collisions between constrained actors that were disabled by a Physics Constraint Actor

UE - Simulation - Physics - Solver - Apr 12, 2022

Waking both of a constraint's rigidbodies re-enables collisions that were disabled by the physics constraint You can also get this issue to occur by either shooting the two cubes around a bit, or by ...

[Stall] AudioMixerSourceManager::FlushCommandQueue when opening editor for asset

UE - Audio - Apr 7, 2022

Live issue. Stall occurring for some users in the 5.0 Release. Currently hit 577 times by 500 users as of 2022-04-29 No specific project occurring on ...

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 ...

FEditorFileUtils::SaveCurrentLevel returns true even when it fails

UE - World Creation - Worldbuilding Tools - Feb 25, 2022

In FEditorFileUtils::SaveCurrentLevel, we set the default return code as true (success) before checking validity of the current level or seeing if PromptToCheckoutLevels is successful. If we're unab ...