3.59.0-preview.0

3.59.0-preview.0 - 2026-3-20

Added

• 5502 VectorIndex Policy: Adds Support for QuantizerType in IndexingPolicy
• 5634 Semantic Reranking: Adds response body in semantic reranking error responses
• 5685 Read Consistency Strategy: Adds Read Consistency Strategy option for read requests
• 5447 Per Partition Automatic Failover: Adds Hub Region Processing Only While Routing Requests Failed with 404/1002 for single master accounts
• 5551 HPK: Adds internal CosmosClientOptions flag UseLengthAwareRangeComparer for length aware range comparer rollout
• 5582 Query: Adds ability to choose global vs local/focused statistics for FullTextScore
• 5610 Refactors N-Region Synchronous Commit feature to use IServiceConfigurationReaderVNext interface.
• 5693 ThinClient Integration: Adds Enable Multiple Http2 connection on SocketsHttpHandler
• 5614 ThinClient Integration: Adds support for QueryPlan in thinclient mode

Fixed

• 5597 CosmosClient: Fixes ObjectDisposedException message when client is disposed during request
• 5613 CrossRegionHedgingAvailabilityStrategy: Fixes ArgumentNullException race condition in hedging cancellation
• 5650 Batch: Fixes null ErrorMessage when promoting status from MultiStatus response
• 5651 Serializer: Fixes unsafe stream cast in FromStream
• 5697 ResourceThrottleRetryPolicy: Fixes cumulativeRetryDelay tracking when x-ms-retry-after-ms header is absent

3.58.0

3.58.0 - 2026-3-20

Added

• 5447 Per Partition Automatic Failover: Adds Hub Region Processing Only While Routing Requests Failed with 404/1002 for single master accounts
• 5551 HPK: Adds internal CosmosClientOptions flag UseLengthAwareRangeComparer for length aware range comparer rollout
• 5582 Query: Adds ability to choose global vs local/focused statistics for FullTextScore
• 5610 Refactors N-Region Synchronous Commit feature to use IServiceConfigurationReaderVNext interface.
• 5693 ThinClient Integration: Adds Enable Multiple Http2 connection on SocketsHttpHandler
• 5614 ThinClient Integration: Adds support for QueryPlan in thinclient mode

Fixed

• 5597 CosmosClient: Fixes ObjectDisposedException message when client is disposed during request
• 5613 CrossRegionHedgingAvailabilityStrategy: Fixes ArgumentNullException race condition in hedging cancellation
• 5650 Batch: Fixes null ErrorMessage when promoting status from MultiStatus response
• 5651 Serializer: Fixes unsafe stream cast in FromStream
• 5697 ResourceThrottleRetryPolicy: Fixes cumulativeRetryDelay tracking when x-ms-retry-after-ms header is absent

3.56.0-preview.1

3.56.0-preview.1 - 2025-3-10

Fixed

-5613 CrossRegionHedgingAvailabilityStrategy: Fixes ArgumentNullException race condition in hedging cancellation

3.55.1

3.55.1 - 2025-3-10

Fixed

-5613 CrossRegionHedgingAvailabilityStrategy: Fixes ArgumentNullException race condition in hedging cancellation

3.58.0-preivew.1

3.58.0-preview.1 - 2026-2-20

Fixed

• 5613 CrossRegionHedgingAvailabilityStrategy: Fixes ArgumentNullException race condition in hedging cancellation

3.57.1

3.57.1 - 2026-2-20

Fixed

• 5613 CrossRegionHedgingAvailabilityStrategy: Fixes ArgumentNullException race condition in hedging cancellation

3.58.0-preview.0

3.58.0-preview.0 - 2026-1-15

Added

• 5511 Tracing: Adds tracing improvements for pkrange refresh calls
• 5515 [FullTextPolicy]: Adds tests for full text policy multi-language support.
• 5529 [Thin Client Integration]: Adds support for store procedure in thinclient mode.
• 5535 [Thin Client Integration]: Adds thinclient header for refresh account data requests.

Fixed

• 5512 ChangeFeed: Fixes crts field being nullable
• 5517 SystemTextSerializer: Fixes serialization to preserve polymorphic serialization when base type is marked [JsonPolymorphic]
• 5498 Query: Fixes hybrid search query plan optimization to be enabled by default
• 5543 Query: Fixes GetItemQueryIterator to honor the supplied (optional) FeedRange
• 5541 Upsert/Batch: Fixes bug where RequestOptions are not honored for Upsert requests in Bulk Mode
• 5544 Query : Fixes LINQ API to support builtin functions - ARRAY_CONTAINS_ALL and ARRAY_CONTAINS_ANY

3.57.0

3.57.0 - 2026-1-15

Added

• 5511 Tracing: Adds tracing improvements for pkrange refresh calls
• 5515 [FullTextPolicy]: Adds tests for full text policy multi-language support.
• 5529 [Thin Client Integration]: Adds support for store procedure in thinclient mode.
• 5535 [Thin Client Integration]: Adds thinclient header for refresh account data requests.

Fixed

• 5512 ChangeFeed: Fixes crts field being nullable
• 5517 SystemTextSerializer: Fixes serialization to preserve polymorphic serialization when base type is marked [JsonPolymorphic]
• 5498 Query: Fixes hybrid search query plan optimization to be enabled by default
• 5543 Query: Fixes GetItemQueryIterator to honor the supplied (optional) FeedRange
• 5541 Upsert/Batch: Fixes bug where RequestOptions are not honored for Upsert requests in Bulk Mode
• 5544 Query : Fixes LINQ API to support builtin functions - ARRAY_CONTAINS_ALL and ARRAY_CONTAINS_ANY

3.57.0-preview.1

3.57.0-preview.1 - 2025-12-16

Fixed

• 5528 Semantic Reranking: Refactors RerankResult.Document to return string type

3.57.0-preview.0

3.57.0-preview.0 - 2025-11-25

Added

• 5445 Semantic Rerank: Adds Semantic Rerank API