Description

The -DiffOnly cook mode shows that the LightingGuid seems to change every cook. In Lyra, there seems to be 48 such assets that change every cook due to this.

Steps to Reproduce
  1. Cook Lyra for Windows
  2. Cook Lyra for Windows again with the command line argument -DiffOnly
  3. Observe LogArchiveDiff warnings in the log that contain "Serialized Object: Model"
Callstack

UnrealEditor-Core.dll!operator<<() [E:\Release\Engine\Source\Runtime\Core\Private\Misc\Guid.cpp:505]
UnrealEditor-Engine.dll!UModel::Serialize() [E:\Release\Engine\Source\Runtime\Engine\Private\Model.cpp:315]
UnrealEditor-CoreUObject.dll!`anonymous namespace'::WriteExports() [E:\Release\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:1870]
UnrealEditor-CoreUObject.dll!`anonymous namespace'::SaveHarvestedRealms() [E:\Release\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:2383]
UnrealEditor-CoreUObject.dll!`anonymous namespace'::InnerSave() [E:\Release\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:2539]
UnrealEditor-CoreUObject.dll!UPackage::Save2() [E:\Release\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage2.cpp:2696]
UnrealEditor-CoreUObject.dll!UPackage::Save() [E:\Release\Engine\Source\Runtime\CoreUObject\Private\UObject\SavePackage.cpp:39]

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Unresolved
ComponentUE - Graphics Features
Affects Versions4.275.1
Target Fix5.5
CreatedOct 6, 2022
UpdatedFeb 13, 2024
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