Preview 1 of the AWS Tools for PowerShell V5 introduces breaking changes like nullable value types, returning $null instead of empty collections, and removal of the $AWSHistory session variable, as well as revised cmdlets for DynamoDB and S3 services.

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<p>This article introduces Preview 1 of AWS Tools for PowerShell V5 and highlights some breaking changes and revised cmdlets.</p>
<p>Specifically, the article covers:</p>
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<li>Breaking changes like nullable value types, returning $null instead of empty collections, and removal of $AWSHistory session variable and -PassThru switch parameter</li>
<li>Revised cmdlets, including DynamoDB cmdlets moved to a new module, and new S3 cmdlets for ACL management</li>
<li>Conclusion mentioning the plan for dual support of V4 and V5, and encouraging feedback from customers</li>
</ul>
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Preview 1 of AWS Tools for PowerShell V5

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