Please increase the synchronisation rate
In the Android APP it would be necessary to increase the synchronization rate for newly created appointments.
Eight hours is too long, and "Immediately" only works in the direction APP -> Exchange but not vice versa.
A synchronization rate of 15 min would be perfect for me.
Then, when I confirm an appointment at work, I don't have to remember to open OneCalendar on my smartphone for synchronization every time.
Maybe interesting in connection with the suggestion: "display events even if I haven't yet accepted them". But I don't know if the appointment invitation is already in the Exchange calendar.