Unreal Engine Issues
Unreal Engine Issues
CollisionEvent and other events during ChaosCaching do not occur
UE - Simulation - Visual - Apr 22, 2022References to external actors are not removed when a data layer is deleted
UE - World Creation - Worldbuilding Tools - World Partition - Apr 21, 2022Data layers still contain references to external actors when they are deleted. ...
Actor Foliage can't be added to Foliage Paint or Single with World Partition maps
UE - World Creation - Worldbuilding Tools - Foliage - Apr 18, 2022Actor Foliage can't be added to Foliage Paint or Single with World Partition maps. ...
Child Actor Components do not update their internal properties when applying instance changes to other instances
UE - Framework - Components - Apr 14, 2022Child Actor Components do not update Materials when applying instance changes to other instances. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did occur there, it ...
Asset localization does not work properly for Paper2D related assets such as Flipbook
UE - Foundation - Mar 18, 2022This 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, 2022The 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, 2022ChunkDownloader 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, 2022In 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 ...
VertexInterpolators allocate unused params which generate extra shader ops
UE - Rendering Architecture - Materials - Feb 17, 2022As a follow up on this: https://udn.unrealengine.com/s/question/0D54z00006yxUdXCAU/vertexinterpolators-problem VertexInterpolators are added to the HLSL code even if unused and you demand the HLSL ...
Editor lighting components not displaying correctly with diffuse off with lumen enabled
UE - Graphics Features - Lumen - Feb 2, 2022Licensee note: "I haven’t tested with Ray tracing. I currently have lumen enable and it’s occurring there." ...