Let me share some information about customizing your report @sewfarm.
When generating a report like Open Orders report, the option to group/total by ship date is still unavailable.
To make sure that the ship date in the report, just make sure to include ship date on the display columns. Here's how:
For more information on how to customize item reports, check this article:
Customize item reports.
Let us know if there's anything else that we can help by leaving a comment below. Have a wonderful day!