For several years, we've had teachers create assignments worth 0 points that are used for course-level extra credit (rather than assignment extra credit). Recently, Canvas stopped syncing these assignments and I thought I found an article saying assignments weren't synced using OneRoster until there was at least one score, but I can't find that anywhere.

The Instructor FAQ for grade passback doesn't mention a score requirement for assignments to sync. Can anyone shed some light on why these won't post to Powerschool?