Release & Changelog Watcher — September 28, 2026

Findings

1. [1] 2026-09-28 Amazon EC2 Future-dated Capacity Reservations Now Supports Postponing Start Dates

   Amazon EC2 Future-dated Capacity Reservations let you secure capacity up to 120 days in advance by specifying the capacity you need, the start date, and a commitment duration. If your plans change before delivery, you can now postpone your start date to match your new timeline. When you postpone your start date, EC2 presents a quote that shows the new…

2. [2] 2026-09-28 Amazon Rekognition Face Liveness now returns Feedback Codes

   Amazon Rekognition Face Liveness now returns Feedback Codes that help customers understand why a liveness check received a low score and how users could retry successfully. The codes are returned in the GetFaceLivenessSessionResults API response, and they identify the specific conditions that contributed to the low score, such as poor lighting, face obstruction, closed eyes, or low video quality. Customers can…

3. [3] 2026-09-28 How we will do better for Australia

   OpenAI apologises for incidents involving Australian government websites and outlines stronger safeguards and support to strengthen Australia’s cyber defences.

4. [4] 2026-09-28 Grok 4.7 is now available on Amazon Bedrock

   Amazon Bedrock now supports SpaceXAI Grok 4.7, a frontier model built for coding, agentic tasks, and knowledge work, with US Geo and Global cross-Region inference.   Grok 4.7 builds on Grok 4.6 with better mixed-document handling, more dependable repo-scale coding with planning and error recovery, and enhanced browser-use agents for form fills and portal navigation.   Get started with Grok…

5. [5] 2026-09-28 Claude Sonnet 5.5 now available on AWS

   AWS now offers Claude Sonnet 5.5, a smarter and more efficient Sonnet that delivers a clear leap forward on coding and knowledge work with at a lower cost per task for most work at faster speed. Claude Sonnet 5.5 is a smarter, more efficient Sonnet and a step up from Sonnet 5, making it a natural upgrade for teams already…

6. [6] 2026-09-28 Claude Sonnet 5.5 now available on AWS GovCloud (US)

   AWS GovCloud (US) now offers Claude Sonnet 5.5, a smarter and more efficient Sonnet that delivers a clear leap forward on coding and knowledge work with at a lower cost per task for most work ag faster speed. Claude Sonnet 5.5 is a smarter, more efficient Sonnet and a step up from Sonnet 5, making it a natural upgrade for…

7. [7] 2026-09-28 Amazon Corretto September 2026 Patch Updates

   On September 25, 2026, Amazon announced a patch update for the following Amazon Corretto Long-Term Support (LTS) and Feature Release (FR) versions of OpenJDK: Corretto 25.0.4.10.1, 21.0.12.11.1, 17.0.20.12.1, and 11.0.32.12.1 are now available for download. Amazon Corretto is a no-cost, multi-platform, production-ready distribution of OpenJDK. This patch includes the latest tzdata 2026d updates. Visit Corretto home page to download Corretto 27,…

8. [8] 2026-09-28 Amazon DocumentDB (with MongoDB compatibility) adds support for 5 MongoDB aggregation stages and change stream capabilities in version 8.0.2

   Amazon DocumentDB (with MongoDB compatibility) now supports retryable writes, 5 new aggregation stages, and change stream enhancements starting from minor version 8.0.2. This release expands MongoDB API compatibility and improves query performance, making it easier to migrate MongoDB workloads to Amazon DocumentDB without application code changes. Key new capabilities in version 8.0.2 include: – Retryable Writes — insert, update, and delete…

9. [9] 2026-09-28 Amazon DocumentDB (with MongoDB compatibility) now supports retryable writes

   For developers building MongoDB-compatible applications, retryable writes improve application resilience during transient errors such as network interruptions or primary failovers. Amazon DocumentDB (with MongoDB compatibility) now supports retryable writes starting with engine version 8.0.2, eliminating the need for additional code changes when enabling this capability. With retryable writes, the MongoDB driver automatically retries certain write operations one time if a…

10. [10] 2026-09-28 AWS Backup adds logically air-gapped vault support for Amazon FSx for NetApp ONTAP

    AWS Backup logically air-gapped vault now supports Amazon FSx for NetApp ONTAP. Logically air-gapped vaults are a type of AWS Backup vault that allows secure sharing of backups across accounts and AWS Organizations, supporting direct restore to reduce recovery time from a data loss event. You can now protect your Amazon FSx for NetApp ONTAP volumes in logically air-gapped vaults.…

11. [11] 2026-09-28 The Lenfest Institute grows landmark program with expanded OpenAI support

    OpenAI is expanding the Lenfest AI Collaborative and Fellowship Program with $5 million in funding and up to $5 million in software credits and engineering support.

Sources

1. [1] Amazon EC2 Future-dated Capacity Reservations Now Supports Postponing Start Dates
2. [2] Amazon Rekognition Face Liveness now returns Feedback Codes
3. [3] How we will do better for Australia
4. [4] Grok 4.7 is now available on Amazon Bedrock
5. [5] Claude Sonnet 5.5 now available on AWS
6. [6] Claude Sonnet 5.5 now available on AWS GovCloud (US)
7. [7] Amazon Corretto September 2026 Patch Updates
8. [8] Amazon DocumentDB (with MongoDB compatibility) adds support for 5 MongoDB aggregation stages and change stream capabilities in version 8.0.2
9. [9] Amazon DocumentDB (with MongoDB compatibility) now supports retryable writes
10. [10] AWS Backup adds logically air-gapped vault support for Amazon FSx for NetApp ONTAP
11. [11] The Lenfest Institute grows landmark program with expanded OpenAI support