Amazon Managed Blockchain (AMB) Access Polygon is in preview release and is subject to change.

# Document history for the AMB Access Polygon User Guide
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The following table describes the documentation releases for AMB Access Polygon.

| Change | Description | Date | 
| --- |--- |--- |
| [Updated quotas for JSON-RPC](https://docs.aws.amazon.com/managed-blockchain/latest/ambp-dg/polygon-api.html#quotas ) | The quotas that AMB Access Polygon supports for each supported JSON-RPC are updated. | April 12, 2024 | 
| [End of support for the Mumbai testnet network](https://docs.aws.amazon.com/managed-blockchain/latest/ambp-dg/key-concepts.html#retired) | AMB Access Polygon ended support of the Mumbai testnet on April 15, 2024. | April 10, 2024 | 
| [Addition of the Tutorials topic](https://docs.aws.amazon.com/managed-blockchain/latest/ambp-dg/tutorials.html) | AMB Access Polygon tutorials from the *Community Articles* section of AWS re:Post. | April 9, 2024 | 
| [Public preview](https://docs.aws.amazon.com/managed-blockchain/latest/ambp-dg/what-is-service.html) | Public preview release of the Amazon Managed Blockchain (AMB) Access Polygon service. | November 24, 2023 |