Startup Movies in Lyra Flicker and trigger ensure: "Only one system can use the SlateThread at the same time. GetMoviePlayer is not compatible with PreLoadScreen."

UE - Media Framework - Dec 20, 2023

When adding startup movies to Lyra, the movie playback flickers and an ensure conditions fails with the message: Ensure condition failed: bSuccess [File:D:\build\++UE5\Sync\Engine\Source\Runtime\M ...

Investigate copying over PhysMaterialOverride for BodyInstances in Packed Level Actors

UE - World Creation - Worldbuilding Tools - Level Instances - Dec 19, 2023

Adding "Add Velocity" module to event handler stage causes ensure (ensureMsg)

UE - Niagara - Scripting - Dec 19, 2023

Adding a module which has Required Dependencies (such as "Add Velocity") to event handler stage causes ensureMsg. > > In system /Game/NewNiagaraSystem.NewNiagaraSystem, module AddVelocity (NiagaraN ...

Multicast RPCs called from standalone instance are not recorded into replays

UE - Networking - Dec 13, 2023

This seems to have regressed because of the fix to [Link Removed]. Because UWorld::InternalGetNetMode now only returns the DemoNetDriver's NetMode when it is recording and in its tick, the multicast ...

Fix AssetManager rules overrides in case PrimaryAssetTypesToScan for PrimaryAssetLabel sets bApplyRecursively=false

UE - Foundation - Data Pipeline - Cooker - Dec 11, 2023

SetPrimaryAssetRules sets the "is overridden" variables (e.g. bOverrideApplyRecursively) based on a comparison with the global default rules:static FPrimaryAssetRules DefaultRules; ... ExplicitRu ...

AssetRegistry and CoreRedirects: Users of GeneratedClassTag do not uniformly handle CoreRedirects

UE - Foundation - Data Pipeline - Cooker - Dec 11, 2023

ClassPaths are stored in FBlueprintTags::GeneratedClassPath, FBlueprintTags::ParentClassPath, FBlueprintTags::NativeParentClassPath, and are read by many locations in editor code. But these location ...

Optimize Data Layer runtime state replication

UE - World Creation - Worldbuilding Tools - Data Layers - Dec 7, 2023

[Link Removed]This issue occurs only when I have a lot of RDLs (I tested 2500 and 1600). I tested with 6 RDLs and had no issuesI also noticed in the server log an error when a lot of RDLs are presen ...

All objects imported through Interchange use smooth shading.

TM - Interoperability - Dec 7, 2023

[Image Removed] It imports correctly in UE with interchange import:[Image Removed] ...

Object Position of individual instances within the Landscape Grass system

UE - Rendering Architecture - Materials - Dec 6, 2023

Object Position material node doesn't work for individual instances. ...