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Amazon DocumentDB (with MongoDB compatibility) adds support for 5 MongoDB aggregation stages and change stream capabilities in version 8.0.2

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AWS·Sep 28, 2026, 08:00 AMFeatureAI-assisted summary

Summary

Added retryable writes and five new aggregation stages ($setWindowFields, $bucketAuto, $facet, $graphLookup, correlated $lookup) for enhanced analytics
Enhanced change streams with $changeStreamSplitLargeEvent and events for createCollection/createIndex operations
Improved query performance with index‑only scans, incremental sort, faster count/countDocuments, and added reIndex support for partial indexes

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Official source Last checked Oct 5, 2026, 10:00 AM

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