Close to stable, but users are advised to be cautious and test thoroughly.
Automatic Export and Automatable Import for Templates and Fields / AutoExportTemplatesAndFields +1
AutoExportTemplatesAndFields module for ProcessWire By jaromic
Automatically create new pages for recurring events / ProcessRecurringEvents +2
This module enables you to automatically create pages based on a ProcessWire page template, eg Calender detail page that has calendar event recurrences. By psy