Unreal Engine Issues

The indirect lighting is black on mobile with sublevels

CollisionEvent and other events during ChaosCaching do not occur

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

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

Live Coding doesn't auto-compile upon reopening a project

When creating a C++ class and compiling utilizing Live Code, upon creating a blueprint class utilizing that C++ class as it's parent and restarting the editor, the blueprint class loses it's parent ...

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

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

Montage Time Stretch Curves Scale Incorrectly

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 ...

PakFiles: Unmounting PakFile while requests are still in progress causes assertion failure in UnMount

[Link Removed] Licensee is using the chunk downloader. On Shutdown method of their GameInstance, they call FChunkDownloader->Finalize. When they quit the game (Alt+F4) during a chunck download an a ...

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

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 ...

Can't package project with custom engine plugin enabled.

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

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 ...