Remove UseOldBehavior quirk switches#37770
Merged
AndriySvyryd merged 2 commits intomerge/release/10.0-to-mainfrom Feb 22, 2026
Merged
Remove UseOldBehavior quirk switches#37770AndriySvyryd merged 2 commits intomerge/release/10.0-to-mainfrom
AndriySvyryd merged 2 commits intomerge/release/10.0-to-mainfrom
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Co-authored-by: AndriySvyryd <6539701+AndriySvyryd@users.noreply.github.com>
Copilot
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changed the title
[WIP] Merge changes from release/10.0 to main
Remove UseOldBehavior quirk switches
Feb 22, 2026
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approved these changes
Feb 22, 2026
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Removes all
UseOldBehavior*AppContext quirk switches introduced during servicing fixes, making the new behavior unconditional.UseOldBehavior37724(InternalComplexEntry,InternalComplexCollectionEntry): Always restoreOrdinalfromOriginalOrdinalwhen transitioning fromDeletedstate; never re-insert entry into original collection onDeleted→UnchangedUseOldBehavior37585(InternalComplexCollectionEntry.GetCollection): Always returnnullwhen ordinal < 0 for nested complex collection entriesUseOldBehavior37162(StructuralTypeMaterializerSource): Always useparameters.IsNullablefor nullable complex type materialization checkUseOldBehavior37205(StructuralTypeProjectionExpression): Removed unused declaration💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.