AWS documentdb documentation change
Summary
Major restructuring of release notes from chronological format to organized sections by engine version (8.0, 5.0, 4.0, 3.6), general service updates, and elastic clusters. Added new release notes up to March 2026 and reformatted content into tables with categorized entries.
Security assessment
The change includes security-related improvements such as TLS version support (tls1.2+, tls1.3+), SASL authentication performance improvements, and TLS CA certificate updates without system reboot. However, there is no evidence of addressing a specific security vulnerability or incident; these are routine security feature enhancements and documentation updates.
Diff
diff --git a/documentdb/latest/developerguide/release-notes.md b/documentdb/latest/developerguide/release-notes.md index cfbb02b75..75b83c4f0 100644 --- a//documentdb/latest/developerguide/release-notes.md +++ b//documentdb/latest/developerguide/release-notes.md @@ -5 +5 @@ -February 11, 2026January 08, 2026November 11, 2025October 22, 2025October 16, 2025October 13, 2025October 7, 2025September 26, 2025September 15, 2025July 29, 2025July 28, 2025June 18, 2025May 8, 2025April 2, 2025March 24, 2025February 6, 2025January 28, 2025January 15, 2025December 18, 2024November 12, 2024November 6, 2024November 1, 2024October 22, 2024September 18, 2024September 17, 2024August 22, 2024August 20, 2024August 8, 2024July 23, 2024July 22, 2024July 9, 2024July 8, 2024June 25, 2024May 29, 2024April 3, 2024February 22, 2024January 30, 2024January 10, 2024December 20, 2023December 13, 2023November 29, 2023November 21, 2023November 17, 2023November 6, 2023September 25, 2023September 20, 2023September 15, 2023September 11, 2023August 3, 2023July 13, 2023June 7, 2023May 10, 2023April 4, 2023March 22, 2023March 1, 2023February 27, 2023February 2, 2023November 30, 2022August 9, 2022July 25, 2022June 27, 2022April 29, 2022April 7, 2022March 16, 2022February 8, 2022January 24, 2022January 21, 2022October 25, 2021June 24, 2021May 4, 2021January 15, 2021November 9, 2020October 30, 2020September 22, 2020July 10, 2020June 30, 2020 +Amazon DocumentDB engine version release notesGeneral Amazon DocumentDB release notesAmazon DocumentDB elastic clusters release notes @@ -9 +9 @@ February 11, 2026January 08, 2026November 11, 2025October 22, 2025October 16, 20 -These release notes describe the Amazon DocumentDB features, improvements, and bug fixes by release date. The release notes include updates for all Amazon DocumentDB engine versions as they occur. +These release notes describe the Amazon DocumentDB features, improvements, and bug fixes organized by major engine version. Within each version section, entries are listed by date in a table format. @@ -18,2 +17,0 @@ If your cluster is not on the latest version of the engine, it is likely that yo -You can filter new Amazon DocumentDB features on the [What's New with Database?](https://aws.amazon.com/about-aws/whats-new/database/) page. For **Products** , choose **Amazon DocumentDB**. Then search using keywords such as `elastic clusters` or `vector search`. - @@ -22,7 +20 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * February 11, 2026 - - * January 08, 2026 - - * November 11, 2025 - - * October 22, 2025 + * Amazon DocumentDB engine version release notes @@ -30 +22 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * October 16, 2025 + * General Amazon DocumentDB release notes @@ -32 +24 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * October 13, 2025 + * Amazon DocumentDB elastic clusters release notes @@ -34 +25,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * October 7, 2025 @@ -36 +26,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 26, 2025 @@ -38 +27,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 15, 2025 @@ -40 +29 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 29, 2025 +## Amazon DocumentDB engine version release notes @@ -42 +31 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 28, 2025 +Release notes for Amazon DocumentDB engine versions organized by major version. @@ -44 +33 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * June 18, 2025 +Amazon DocumentDB 8.0 @@ -46 +34,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * May 8, 2025 @@ -48 +36 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * April 2, 2025 +Release notes for Amazon DocumentDB engine version 8.0 (MongoDB 8.0 compatibility). @@ -50 +38,4 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * March 24, 2025 +Date | Release notes +---|--- +March 26, 2026 | **New features** Amazon DocumentDB now supports the latest generation of memory-optimized instances, db.r8g, powered by Arm-based AWS Graviton4 processors, providing up to 30% better performance over R6G instances. For more information, see [Managing instance classes](./db-instance-classes.html) in this guide +November 11, 2025 | **New features** Amazon DocumentDB now offers full wire protocol compatibility with MongoDB 8.0. Amazon DocumentDB 8.0 improves query performance enabling you to build high-performance applications at a lower cost. **Amazon DocumentDB 8.0 (Engine Patch Version 4.0.4448)** @@ -52,3 +43,7 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * February 6, 2025 - - * January 28, 2025 + * Added support for MongoDB 8.0 API drivers. + * Added support for Planner Version3 that extends performance improvements to aggregation stage operators, along with supporting aggregation pipeline optimizations and distinct commands. + * Added Support for dictionary-based compression through the Zstandard compression algorithm, improving compression ratio by 5x. + * Added new capabilities: Amazon DocumentDB 8.0 supports collation and views. + * Added support for new aggregation stages and operators: $replaceWith, $vectorSearch, $merge, $set, $unset, $bucket, and 3 new aggregation operators $pow, $rand, $dateTrunc. + * Added support for a new version of text index: Text index v2 in Amazon DocumentDB 8.0 introduces additional tokens, enhancing text search capabilities. + * Includes vector search improvements through parallel vector index build reducing index build time by up to 30x. @@ -56 +50,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * January 15, 2025 @@ -58 +51,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * December 18, 2024 @@ -60 +53 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 12, 2024 +Amazon DocumentDB 5.0 @@ -62 +54,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 6, 2024 @@ -64 +56 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 1, 2024 +Release notes for Amazon DocumentDB engine version 5.0 (MongoDB 5.0 compatibility). @@ -66 +58,3 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * October 22, 2024 +Date | Release notes +---|--- +March 9, 2026 | **Bug fixes and other changes** **Amazon DocumentDB 5.0 (Engine Version: 3.0.19917)** This update provides an optional Engine patch with the following improvements: @@ -68 +62,2 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 18, 2024 + 1. Added DatabaseConnectionsActiveMax metric to provide insights into "Connections (active)" for instances. The limits can be found at our [Amazon DocumentDB Quotas and limits](https://docs.aws.amazon.com/documentdb/latest/developerguide/limits.html#limits.instance) page. + 2. Improved SASL authentication performance. @@ -70 +64,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 17, 2024 @@ -72 +66 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * August 22, 2024 +October 22, 2025 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.17983)** Amazon DocumentDB now supports the latest generation of memory-optimized instances, db.r8g, powered by Arm-based AWS Graviton4 processors, providing up to 30% better performance over R6G instances. For more information, see [Managing instance classes](./db-instance-classes.html) in this guide and this [blog post](https://aws.amazon.com/about-aws/whats-new/2025/10/amazon-documentdb-graviton4-based-r8g-database-instances/). **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.15902)** @@ -74 +68,3 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * August 20, 2024 + * Added support for longer collection name (namespace length up to 255 chars). + * Introduced a new query planner (planner version 2.0). For more information, see [Query planner v2](./query-planner.html) in this guide. + * Added new fields in `collstats` for "MVCCIDStats" and "gcRuntimeStats" that provide information into the overall health of the collection with respect to garbage collection and aging collections. @@ -76 +71,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * August 8, 2024 @@ -78 +73,3 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 23, 2024 +October 16, 2025 | **New feature** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.15902)** Amazon DocumentDB now supports dual-stack mode (IPv4/IPv6) when your cluster is in a virtual private cloud (VPC). For more information, see this [blog post](https://aws.amazon.com/about-aws/whats-new/2025/10/amazon-documentdb-ipv6-support) and [Amazon VPC and Amazon DocumentDB](./vpc-docdb.html) in the _Amazon DocumentDB Developer Guide_. +September 15, 2025 | **Bug fixes and other changes** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.17983)** Fixed engine crash when queries contain subsequent `$replaceRoot` and `$lookup` stage. +July 29, 2025 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.15902)** @@ -80 +77,8 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 22, 2024 + * Added support of `$regexFindAll` aggregation operator. + * Index bloat and collection based bloat metrics launched + * Added CloudWatch metrics `AvailableMVCCIds` and `LongestActiveGCRuntime` that provide information into the overall health of the cluster with respect to garbage collection and aging collections. + * The `serverStatus` command now includes an "nvme_cache" field that shows the count of pages written and not written to NVMe cache on NVMe-backed instances. + * Removed limitation on number of fields for `$group` and `$project` + * Support for the following String operators: `$trim`, `$rtrim`, `$ltrim`, `$regexFindAll`, `$replaceOne`, and `$replaceAll` + * Support for the following Array operators: `$first` and `$last` + * Support for the following Stage operator: `$collStats` @@ -82 +86,4 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 9, 2024 +**Bug fixes and other changes** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.15902)** Fixed an issue during index creation that affected large collections. +July 28, 2025 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.14228)** Amazon DocumentDB instance-based clusters now support Amazon DocumentDB Serverless, an on-demand, auto-scaling configuration. For more information, see [Using Amazon DocumentDB serverless](./docdb-serverless.html) and this [what's new blog post](https://aws.amazon.com/about-aws/whats-new/2025/07/amazon-documentdb-serverless/). +March 24, 2025 | **New feature** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.11800)** Added support for `postBatchResumeToken` in change streams. For more information, see [Resuming a change stream with postBatchResumeToken](./change_streams.html#change_streams-postBatchResumeToken). +January 15, 2025 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.11800)** Amazon DocumentDB now maintains read availability through writer instance restarts. Reader instances will now continue to serve read requests during writer instance restarts. **Bug fixes and other changes** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.11800)** @@ -84 +91,3 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 8, 2024 + * Fixed `killOp` command to handle a special case of bulk inserts. + * Improved network I/O-related memory usage on Amazon DocumentDB instances. + * Fixed `count` command for `$text` filter queries. @@ -86 +94,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * June 25, 2024 @@ -88 +96,2 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * May 29, 2024 +December 18, 2024 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.5721)** Amazon DocumentDB instance-based clusters now support NVMe-backed R6GD instances. For more information, see [NVMe-backed instances](./db-instance-nvme.html) and this [what's new blog post](https://aws.amazon.com/about-aws/whats-new/2024/12/nvme-backed-r6gd-instances-amazon-documentdb-mongodb-compatibility/). +November 6, 2024 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.11051)** @@ -90 +99,2 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * April 3, 2024 + * Added support for minimum TLS versions `tls1.2+` and `tls1.3+` to `tls` cluster parameter. + * Enabled support for characters dollar($) and dot(.) in field names. For functional differences, see [Dollar($) and dot(.) in field names](./functional-differences.html#functional-differences-dollardot). @@ -92 +101,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * February 22, 2024 @@ -94 +103 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * January 30, 2024 +September 17, 2024 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.10696)** Amazon DocumentDB now supports rebuilding indexes with `reIndex` in the `runCommand`. For more information, see [Index maintenance using reIndex](./managing-indexes.html#reIndex). @@ -96 +105 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * January 10, 2024 +###### Note @@ -98 +107 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * December 20, 2023 +`reIndex` is only supported on Amazon DocumentDB 5.0 (Engine Patch Version 3.0.10696 and higher). **Bug fixes and other changes** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.10696)** @@ -100 +109,2 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * December 13, 2023 + * `$setOnInsert` now supports the `_id` field during inserts resulting from update operations. + * Fixed issue that prevents reclaiming storage space after a major version upgrade to Amazon DocumentDB 5.0. @@ -102 +111,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 29, 2023 @@ -104 +113 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 21, 2023 +August 22, 2024 | **New feature** **Amazon DocumentDB 5.0 (All engine patch versions)** Amazon DocumentDB global clusters now support cluster switchovers and managed cluster failovers. For more information, see [Performing a switchover for an Amazon DocumentDB global cluster](./global-clusters-disaster-recovery.html#global-cluster-switchover) and [Performing a managed failover for an Amazon DocumentDB global cluster](./global-clusters-disaster-recovery.html#managed-failover). @@ -106 +115 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 17, 2023 +###### Note @@ -108 +117,2 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * November 6, 2023 +Global cluster switchovers and failovers are supported on Amazon DocumentDB 4.0 and 5.0 only. +July 23, 2024 | **New features** **Amazon DocumentDB 5.0 (Engine Patch Version 3.0.8126)** @@ -110 +120,20 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 25, 2023 + * Added support for longer index names (up to 255 characters). For more information, see [Naming constraints](./limits.html#limits-naming_constraints) + * Increased the maximum connection limit by two-fold: | Instance type | Original limit | New limit +---|---|--- +t3.medium | 500 | 1000 +t4g.medium | 500 | 1000 +r5.large | 1700 | 3400 +r5.xlarge | 3500 | 7000 +r5.2xlarge | 7100 | 14200 +r5.4xlarge | 14200 | 28400 +r5.8xlarge | 28400 | 60000 +r5.12xlarge | 30000 | 60000 +r5.16xlarge | 30000 | 60000 +r5.24xlarge | 30000 | 60000 +r6g.large | 1700 | 3400 +r6g.xlarge | 3500 | 7000 +r6g.2xlarge | 7100 | 14200 +r6g.4xlarge | 14200 | 28400 +r6g.8xlarge | 28400 | 60000 +r6g.12xlarge | 30000 | 60000 +r6g.16xlarge | 30000 | 60000 @@ -112 +141 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 20, 2023 +For more information, see [Instance limits](./limits.html#limits.instance). @@ -114 +142,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 15, 2023 @@ -116 +143,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * September 11, 2023 @@ -118 +144,0 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * August 3, 2023 @@ -120 +146 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * July 13, 2023 +**Bug fixes and other changes** @@ -122 +148 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * June 7, 2023 +**Amazon DocumentDB 5.0 (Engine Patch Version 3.0.8126)** @@ -124 +150 @@ You can filter new Amazon DocumentDB features on the [What's New with Database?] - * May 10, 2023