An Azure native disaster recovery service. Previously known as Microsoft Azure Hyper-V Recovery Manager.
Hello Akshaya B
Thank you for posting your query on Microsoft Q&A platform.
Mobility Service 9.67 is not a preview release. The agent package is published as a GA build, you can confirm this from the version string on the installed agent itself, e.g. Microsoft-ASR_UA_9.67.7775.1_Windows_GA_<date>_release. Builds in the 9.67 line are also published on the official https://github.com/Azure/Azure-SiteRecovery, which is the supported download channel for mobility agents, along with their supported kernel lists.
The What's new in Site Recovery page's rollup table has not yet been updated with a 9.67 rollup entry, which is why it may appear that the version isn't released. That's a documentation lag, not a preview designation.
For production, follow the standard N-4 support policy and validate your OS/kernel against the support matrix before upgrading.
Thanks,
Suchitra.