Preview versions of the AMPS server are intended to provide quick access to new features for new development, proof of concept projects, and prototyping.
Preview releases are cumulative. That is, an X.Y.4.0 preview release will contain all of the functionality and fixes in X.Y.3.0, X.Y.2.0, X.Y.1.0, and any applicable hotfixes for the X.Y.0.* release.
60East provides support for preview versions, including support for running preview versions in production , under the terms and conditions in your support agreement.
However, 60East does not provide extended lifecycle maintenance for preview versions. Since preview releases are not considered full releases of the AMPS server, 60East only provides maintenance and hotfixes for the most recent preview version. That is, fixes are provided to X.Y.1.* versions until X.Y.2.0 ships, then hotfixes are provided for X.Y.2.0. This differs from full releases of AMPS, which are under maintenance for an extended period, regardless of the release of new full releases.