Initialize HISM random seed during LightWeightInstanceStaticMeshManager setup.
#jira UE-116296, UE-139171
#preflight 64255b24b01a25d6a03e798c
#rb
[CL 24855148 by andrew davidson in ue5-main branch]
* Another batch iwyu updates to reduce number of includes used in files
#preflight 63c58d742e714f64ade93797
#rb none
[CL 23732856 by henrik karlsson in ue5-main branch]
UDeprecatedDataLayerInstance allows to boot level using deprecated UDataLayers
Worlds using DataLayer can run the DataLayerToAssetCommandlet to transition their existing DataLayers
FActorDataLayer interface is deprecated.
DataLayers Blueprint referencers should now use DataLayerAsset to retrieve DataLayerInstances.
DataLayer Code referencers should now use DataLayerAssets or DataLayerInstance FName to retrieve DataLayerInstances.
DataLayerLabels now only used for display/UI purpose
Relabeling DataLayers is not permitted anymore on new DataLayerInstances (allowed on UDeprecatedDataLayerInstance)
Added Changelist Validation for DataLayers
Added a column to the datalayer outliner showing any data layer errors.
#rb richard.mal jeanfrancois.dube
#preflight 623098c2050dc69468b6a297 (errors only related to lyra, which do not exist in this stream)
#ROBOMERGE-OWNER: philippe.deseve
#ROBOMERGE-AUTHOR: philippe.deseve
#ROBOMERGE-SOURCE: CL 19385808 via CL 19387392
#ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v926-19321884)
[CL 19389077 by philippe deseve in ue5-main branch]
This represents UE4/Main @18073326, Release-5.0 @18081140 and Dev-PerfTest @18045971
[CL 18081471 by aurel cordonnier in ue5-release-engine-test branch]
This represents UE4/Main @17774255, Release-5.0 @17791557 and Dev-PerfTest @17789485
[CL 17794212 by aurel cordonnier in ue5-release-engine-test branch]
Make light weight instance managers be per data layer instead of per level
Add stable unique identifiers to handles for light weight instances so that they can be managed outside of the system with accurate bookkeeping.
#rb Julien.Lheureux
#ROBOMERGE-SOURCE: CL 16901960 via CL 16918532
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v836-16769935)
[CL 16918559 by fred kimberley in ue5-release-engine-test branch]
#rb fred.kimberley
#ROBOMERGE-SOURCE: CL 16732549 via CL 16732554
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v835-16672529)
[CL 16732559 by richard malo in ue5-release-engine-test branch]
#ROBOMERGE-SOURCE: CL 16644213 via CL 16644220
#ROBOMERGE-BOT: STARSHIP (Main -> Release-Engine-Test) (v833-16641396)
[CL 16644224 by fred kimberley in ue5-release-engine-test branch]