# Document history
<a name="doc-history"></a>

The following table describes significant changes to this guide. If you want to be notified about future updates, you can subscribe to an [RSS feed](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/backup-recovery.rss).

| Change | Description | Date | 
| --- |--- |--- |
| [Updated information](#doc-history) | Updated guidance in the [Amazon S3](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/backup-recovery-amazon-s3.html) section. | June 28, 2024 | 
| [Updated information](#doc-history) | Updated information in the [On-premises DR to AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/on-prem-dr-to-aws.html) section. | April 13, 2023 | 
| [Added a section](#doc-history) | Added guidance and steps for [creating or restoring an instance from a snapshot](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/restore.html#instance-from-snapshot). | March 7, 2023 | 
| [Added information about Elastic Disaster Recovery and added clarification](#doc-history) | In the [Disaster recovery with AWS](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/disaster-recovery.html) and [Choosing AWS services for data protection](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/services.html) sections, added information about AWS Elastic Disaster Recovery. In the [Amazon EC2 backup and recovery with snapshots and AMIs](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/ec2-backup.html), [Preparing an EBS volume before creating a snapshot or AMI](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/new-ebs-volume-backups.html#prepare-volume), and [Restoring from an Amazon EBS snapshot or an AMI](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/restore.html) sections, added clarification. Added to the [Backup and recovery FAQ](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/faq.html). | January 19, 2023 | 
| [Added a link](#doc-history) | Added a link to the Amazon Data Lifecycle Manager documentation in the [Amazon Data Lifecycle Manager](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/new-ebs-volume-backups.html#amazon-dlm) section. | October 31, 2022 | 
| [Updated information](#doc-history) | Updated the information about [restoring volumes](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/restore.html). | August 30, 2022 | 
| [Updated information and added new section](#doc-history) | In the [Choosing AWS services for data protection](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/services.html) section, added services. Added the section [Backup and recovery using AWS Backup](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/aws-backup.html). In the *Backup and recovery using Amazon S3 and Amazon Glacier* section, added information about new Amazon Glacier storage classes. In the [Backup and recovery for Amazon EC2 with EBS volumes](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/backup-recovery-ec2-ebs.html) section, added links to documentation and additional information. In the [Backup and recovery of cloud-native AWS services](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/cloud-native-aws-services.html) section, added a recommendation to use AWS Backup. In the [Additional resources](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/resources.html) section, added resources. | January 28, 2022 | 
| [Updated information](#doc-history) | Added information about setting storage classes to the *S3 Glacier Flexible Retrieval* section. Added information about retrieving snapshots to the [Amazon EC2 backup and recovery with snapshots and AMIs](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/ec2-backup.html) section. | September 9, 2021 | 
| [Updated information](#doc-history) | In the [AWS Backup](https://docs.aws.amazon.com/prescriptive-guidance/latest/backup-recovery/new-ebs-volume-backups.html#aws-backup) section, added information about the AWS services that AWS Backup supports. | June 1, 2021 | 
| [Initial publication](#doc-history) | — | July 29, 2020 |