**This documentation is for Version 1 of the Amazon CLI only.**

We announced the upcoming end-of-support for the Amazon CLI version 1. We recommend that you migrate to the Amazon CLI version 2. For dates, additional details, and information on how to migrate, see the [announcement](https://amazonaws-china.com/blogs/developer/cli-v1-maintenance-mode-announcement/). For documentation related to Version 2 of the Amazon CLI, see the [Version 2 User Guide](https://docs.amazonaws.cn/cli/latest/userguide/).

# Amazon CLI user guide document history
<a name="document-history"></a>

The following table describes important additions to the *Amazon Command Line Interface User Guide*, beginning in January 2019. For notification about updates to this documentation, you can subscribe to the RSS feed.

| Change | Description | Date | 
| --- |--- |--- |
| [Updated credential and authentication information.](#document-history) | Updated credential and authentication method instructions and examples. This includes updating relevant configuration pages. To accommodate this increase in documentation, relevant credential topics were moved to the new [Authentication and access credentials](https://docs.aws.amazon.com/cli/v1/userguide/cli-chap-authentication.html) section. | March 31, 2023 | 
| [Content for the Amazon CLI V1 and V2 are now separated into their respective guides](#document-history) | For clarity and ease, the Amazon CLI version 1 and Amazon CLI version 2 content is now separated into their own guides.  For Amazon CLI version 2, see the latest [Amazon Command Line Interface User Guide](https://docs.amazonaws.cn/cli/latest/userguide/)  | November 2, 2021 | 
| [Added Amazon CLI alias information](https://docs.aws.amazon.com/cli/latest/userguide/cli-usage-alias.html) | Added Amazon CLI alias information. Aliases are shortcuts you can create in the Amazon Command Line Interface (Amazon CLI) to shorten commands or scripts that you frequently use. | March 11, 2021 | 
| [Updated filter output information](https://docs.aws.amazon.com/cli/latest/userguide/cli-usage-filter.html) | Updated information for filters and moved to their own page. | February 1, 2021 | 
| [Deprecation announcement for Python 2.7, 3.4, and 3.5](#document-history) | Python 2.7 was deprecated by the Python Software Foundation on January 1, 2020. Going forward, customers using the Amazon CLI version 1 should transition to using Python 3, with a minimum of Python 3.6. Python 2.7 support is deprecated for new versions of the Amazon CLI version 1 starting 7/19/2021. Python 3.4 and 3.5 is deprecated starting 2/1/2021. | January 29, 2021 | 
| [Added Amazon S3 scripting example](https://docs.aws.amazon.com/cli/latest/userguide/cli-services-s3-lifecycle-example.html) | Added an Amazon S3 lifecycle scripting example. | October 15, 2020 | 
| [Added Amazon EC2 scripting example](https://docs.aws.amazon.com/cli/latest/userguide/cli-services-ec2-instance-type-script.html) | Added an Amazon EC2 instance type scripting example. | October 15, 2020 | 
| [Added retries information](https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-retries.html) | Added a retries page for features and behavior of retries in the Amazon CLI. | September 17, 2020 | 
| [Server-side and client-side pagination page](https://docs.aws.amazon.com/cli/latest/userguide/cli-usage-pagination.html) | Updated pagination information and centralized on a single page. | August 17, 2020 | 
| [Updated s3 commands page](https://docs.aws.amazon.com/cli/latest/userguide/cli-services-s3-commands.html) | Updated the high-level s3 commands page with new examples and resources. | July 30, 2020 | 
| [Updated installation information](https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-install.html) | The install, update, and uninstall information for Linux, macOS, and Windows are updated. | May 19, 2020 | 
| [Updated to remove support for Python 2.6 and 3.3 from Amazon CLI version 1](https://docs.aws.amazon.com/cli/latest/userguide/deprecate-old-python-versions.html) | As of January 10th, 2020, Amazon CLI version 1 no longer supports using Python versions 2.6 or 3.3. You must update to a newer version of Python to use Amazon CLI version 1.17 or later. | January 10, 2020 | 
| [New MFA section](https://docs.amazonaws.cn/cli/latest/userguide/cli-configure-role.html#cli-configure-role-mfa) | Added a new section describing how to access the CLI using multi-factor authentication and roles. | May 3, 2019 | 
| [Update to "Using the CLI" section](https://docs.amazonaws.cn/cli/latest/userguide/cli-chap-using.html) | Major improvements and additions to the usage instructions and procedures. | March 7, 2019 | 
| [Update to "Installing the CLI" section](https://docs.amazonaws.cn/cli/latest/userguide/cli-chap-install.html) | Major improvements and additions to the Amazon CLI installation instructions and procedures. | March 7, 2019 | 
| [Update to "Configuring the CLI" section](https://docs.amazonaws.cn/cli/latest/userguide/cli-chap-configure.html) | Major improvements and additions to the Amazon CLI configuration instructions and procedures. | March 7, 2019 |