Yes. Standard Notifications have been updated to Time Sensitive Notifications. This will allow alarms^¤ with Override Do Not Disturb set to OFF, to break through the Focus mode introduced with iOS 15. User set reminders, such as timers have not been updated to Time Sensitive notifications.

¤ Notifications will only be received when alarms are turned on and the sensor is within 20 feet unobstructed of the reading device. You must enable the appropriate settings on your smartphone to receive alarms and alerts, see the FreeStyle LibreLink User Manual for more information.