# Document History The following table describes important changes in each release of the *Amazon EventBridge User Guide*, beginning in July 2019. For notification about updates to this documentation, you can subscribe to an RSS feed. | Change | Description | Release Date | | --- | --- | --- | | Updated AmazonEventBridgeApiDestinationsServiceRolePolicy managed policy | Policy now restricts the scope of permissions for Secrets Manager operations to the same account. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | May 29, 2025 | | Updated AmazonEventBridgeApiDestinationsServiceRolePolicy managed policy | Policy now grants EventBridge Amazon KMS encrypt and decrypt permissions via Secrets Manager. This enables EventBridge to update connection secret resources with new OAuth token value when access token refresh is required. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | March 28, 2025 | | Document structure update | Used page view data and depth analysis to restructure documentation sections to increase visibility of important topics. Updated guide navigation to reduce overall depth. Consolidated related topics as appropriate. | August 4, 2024 | | Updated Amazon managed policies. | Amazon GovCloud (US) Regions only `AmazonEventBridgeFullAccess` and `AmazonEventBridgeSchemasFullAccess` policies do not include `iam:CreateServiceLinkedRole`, as it is not used. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | May 9, 2024 | | Generate Amazon CloudFormation templates from event buses and rules. | You can now generate Amazon CloudFormation templates from your existing Amazon EventBridge event buses and rules. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 18, 2022 | | Launched EventBridge Pipes documentation. | You can now create pipes to connect sources to targets, with optional filtering and enrichment. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2022 | | Generate Amazon CloudFormation templates from event buses and rules. | You can now generate Amazon CloudFormation templates from your existing Amazon EventBridge event buses and rules. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 18, 2022 | | Added the AmazonEventBridgePipesFullAccess policy. | Provides full access to Amazon EventBridge Pipes. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2022 | | Added the AmazonEventBridgePipesReadOnlyAccess policy. | Provides read-only access to Amazon EventBridge Pipes. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2022 | | Added the AmazonEventBridgePipesOperatorAccess policy. | Provides read-only and operator (that is, the ability to stop and start running Pipes) access to Amazon EventBridge Pipes. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2022 | | Updated the CloudWatchEventsFullAccess policy. | Updated to match `AmazonEventBridgeFullAccess`. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2022 | | Updated the CloudWatchEventsReadOnlyAccess policy. | Updated to match `AmazonEventBridgeReadOnlyAccess`. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2022 | | Updated content filtering in event patterns. | You can now use `suffix`, `equals-ignore-case`, and `$or` filtering options to create event patterns. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 14, 2022 | | Updated the AmazonEventBridgeFullAccess policy. | Added permissions necessary for using EventBridge Schema Registry and EventBridge Scheduler. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 10, 2022 | | Updated the AmazonEventBridgeReadOnlyAccess policy. | You can now view EventBridge Schema Registry and EventBridge Scheduler information. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 10, 2022 | | Updated content filtering in event patterns. | You can now use `suffix`, `equals-ignore-case`, and `$or` filtering options to create event patterns. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 14, 2022 | | Updated the AmazonEventBridgeFullAccess policy. | Added permissions necessary for using EventBridge Schema Registry and EventBridge Scheduler. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 10, 2022 | | Updated the AmazonEventBridgeReadOnlyAccess policy. | You can now view EventBridge Schema Registry and EventBridge Scheduler information. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 10, 2022 | | Updated the AmazonEventBridgeReadOnlyAccess policy. | You can now view endpoint information. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | April 07, 2022 | | Added support for global endpoints. | Amazon EventBridge now supports using global endpoints to help make your application regional-fault tolerant at no additional cost. To learn more, see the following: [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | April 07, 2022 | | Added support for archives and event replays. | Amazon EventBridge now supports using archives to store events, and event replays to replay the events from an archive. To learn more, see the following: [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | November 05, 2020 | | Added support for dead-letter queues and retry policy for targets. | Amazon EventBridge now supports using dead-letter queues and defining a retry policy for targets. To learn more, see the following: [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | October 12, 2020 | | Added support for JSONSchema Draft4 format schemas. | Amazon EventBridge now supports schemas in JSONSchema Draft 4 format. You can also now export schemas using the EventBridge API. To learn more, see the following. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | September 28, 2020 | | Resource-based policies for the EventBridge Schema Registry | The Amazon EventBridge Schema Registry now supports resource-based policies. For more information, see the following. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | April 30, 2020 | | Tags for Event Buses | This release allows you to create and manage tags for event buses. You can add tags when creating an event bus, and add or manage existing tags by calling the related API. For more information, see the following. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | February 24, 2020 | | Increased service quotas | Amazon EventBridge has increased quotas for invocations and for `PutEvents`. Quotas vary by region, and can be increased if necessary. | February 11, 2020 | | Added a new topic on transforming target input, and added a link to Application Auto Scaling Events. | Improved documentation on the input transformer. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) Added a link to Application Auto Scaling Events. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 20, 2019 | | Content-based filtering | | December 19, 2019 | | Added links to Amazon Augmented AI event examples. | Added a link to the Amazon Augmented AI topic in the Amazon SageMaker AI Developer Guide that provides example events for Amazon Augmented AI. For more information, see the following. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 13, 2019 | | Added links to Amazon Chime event examples. | Added a link to the Amazon Chime topic that provides example events for that service. For more information, see the following. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 12, 2019 | | Amazon EventBridge Schemas | You can now manage schemas and generate code bindings for events in Amazon EventBridge. For more information, see the following. [\[See the AWS documentation website for more details\]](http://docs.amazonaws.cn/en_us/eventbridge/latest/userguide/eb-document-history.html) | December 1, 2019 | | Amazon CloudFormation support for Event Buses | Amazon CloudFormation now supports the EventBus resource. It also supports the EventBusName parameter in both the EventBusPolicy and Rule resources. For more information, see [Amazon EventBridge Resource Type Reference ](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/AWS_Events.html). | October 7, 2019 | | New service | Initial release of Amazon EventBridge. | July 11, 2019 |