If you havent already update to this firmware, you should hold off. This nearly bricked my router twice. ASUS support has been notified but they have not removed the firmware.
If you do install it and your router goes into a boot loop. You will need to hit the factory reset button, setup your networks again, and then install the previous version of the firmware prior to the 5/14 firmware.
If you do install it and your router goes into a boot loop. You will need to hit the factory reset button, setup your networks again, and then install the previous version of the firmware prior to the 5/14 firmware.