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Cloud Changelog
Azure Cosmos DB changelog
75 announcements since February 2025 · 36 GA · 38 previews · 1 deprecation
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October 20261
June 202619
No new NoSQL accounts since March 31, 2026; end of life March 31, 2029Deprecation
More than 100 rules guide AI coding agents on Cosmos DB best practicesGA
Vaulted backups isolated from source account, retained up to 10 years; billing starts July 1, 2026Preview
Docker-based local emulator for Cosmos DB for NoSQL on x64 and ARM64, with vector searchGA
Shows when each account key was last used, to rotate keys without disruptionPreview
Reorders query results by contextual relevance, working with vector, full-text and hybrid searchPreview
Read-only containers synced via change feed, with own throughput, partition key and indexing policyGA
All versions and deletes mode captures every create, update and delete in orderGA
Change a NoSQL container's partition key from the Azure portal, online or offlineGA
AI assistance in the VS Code extension for queries, plus MCP-powered ShellPreview
Standardized way to expose Cosmos DB capabilities to AI agents through Model Context ProtocolGA
Fails over only impacted partitions during a regional disruption instead of the whole accountGA
Atomic operations across items and partitions that commit together or roll back on failurePreview
Guided migration from Oracle, SQL Server, PostgreSQL and MySQL to Cosmos DB for NoSQL in VS CodePreview