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Release 2.18.03

What’s New in Release 2.18.03


Following our release of Windows support on the hosted offering of CircleCI, running VM-based jobs in Windows environments is now supported on CircleCI Server instances running in AWS.

The version of Windows currently supported is Windows Server 2019. Check out the Customizing VM Service Images doc for the details of how to build your own custom Windows Server 2019 image, and then follow the Server examples in the Getting Started with Windows doc for instructions on how to set up a Windows job on your CircleCI Server installation.


  • Server-Mongo-Upgrader will be removed in Server 2.19.0. Only effects customers running < 2.15.0.