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…aths - ChangeTracker: add fast-path string comparison before expensive JToken parse and deep-compare; reuse serialized JSON on change detection - QuickAppendEventsOperationBase: replace 7 separate Select().ToArray() LINQ chains with single-pass for loops; replace Reverse() with backward for loops - UnitOfWork: return underlying list directly from AllOperations when one side is empty; replace OrderBy().ToList() with in-place List.Sort() - UpdateBatch: replace O(n²) Skip().Take().ToArray() paging with direct indexed array filling - DirtyCheckingDocumentSession: replace O(n*m) array Contains with HashSet using ReferenceEqualityComparer - MemberFinder: replace O(n²) List.Insert(0) with Add() and Array.Reverse at the end - ProjectionUpdateBatch: check listener counts before allocating Concat().ToArray(); iterate both lists separately - NamedParameterHelper: cache PropertyInfo[] per parameter type in ConcurrentDictionary; pre-size lookup dictionary - DocumentStorage: cache MetadataColumns() result since schema is immutable after initialization Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- ChangeTracker: remove `_json = newJson` from DetectChanges() which reset the baseline after the first read, causing subsequent calls (e.g. PendingChanges.Updates() after UpdatesFor<T>()) to miss changes - MemberFinder: revert Add() + Array.Reverse() back to Insert(0) since many consumers access Members directly without going through Determine(), causing reversed property paths in patching (33 failures) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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This was referenced Feb 17, 2026
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