I learned that you can add new cron schedules by using the cron_schedules filter. If I change a interval of a schedule that I added earlier, will a job that uses this schedule be scheduled using this new interval the next time, or will it still use the previous interval?
Will WordPress use the newer schedule if it is updated using the filter ‘cron_schedules’?
After some testing I figured out that yes, it will use the new schedule, updated using the ‘cron_schedules’ filter.