In the last step of the wizard (since version 5.2.0) we are introducing new interval triggers for monthly (1) and yearly (2) triggers, you can now easily set up task
Execution preview (3↗) allows you to select multiple triggers and preview executions before you save a final version of a scheduled issue:
In version 5.2.0 we have also added "Calendars" below the trigger table. There you can choose from project and global calendars.