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Release Streams

There are two streams of releases for InterSystems IRIS® data platform, InterSystems IRIS for Health®, and HealthShare® Health Connect:

  • Continuous delivery (CD) releases — these releases provide access to new features and are ideal for developing and deploying applications that are continuously being updated and can take immediate advantage of new features.

  • Extended maintenance (EM) releases — these releases are less frequent than the continuous delivery releases but provide the increased stability of maintenance releases. These releases are ideal for large enterprise applications where the ease of getting fixes in maintenance releases is more important than getting early access to new features.

As of 2021.2, both CD and EM releases are provided on all supported platforms (see Supported Platforms) including UNIX, Windows, the cloud platforms, and the OCCI-compliant container format.

Prerelease Software (Developer Previews)

In addition to the fully supported releases, InterSystems provides prerelease software for developers who want an early look at new features. Because the developer prerelease software can be updated frequently, the prerelease documentation may not fully cover the new features. Note that the prerelease documentation is updated daily, along with the rest of the recent documentation.

Note:

If you have a developer preview installation, you should use the local class reference (http://localhost:port-number/csp/documatic/%25CSP.Documatic.cls) rather than the class reference on the docs.intersystems.comOpens in a new tab web site. The local class reference exactly matches the code in your installation and thus is the most suitable source of information.

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