This is Vladimir M with Zerto.
Zerto does not support SCVMM 2019 and for Windows Server 2019, it does support for an operating system
Here is a link to our compatibility list: http://s3.amazonaws.com/zertodownload_docs/Latest/Zerto%20Virtual%20Replication%20Operability%20Matrix.pdf?cb=1576522679
How long will it be until SCVMM 2019 is supported? SCVMM 2016 does not managed hosts that are Server 2019.
Zerto will support any new release of any of the platforms, management tools, either with an existing release of Zerto Virtual Replication or by releasing a new version of its software, within ninety (90) days of the official VMware, Hyper-V, Amazon Web Services (AWS), or Microsoft Azure release.
Can you point me the direction to find out what the official Hyper-V release is?
Yes of course.
and go to page 19 for Hyper-V support