Precisely timed.

momentarily

plural of minuteful

Enough to last a minute.

Having extensive minutes.

(idiomatic) An arbitrary (non-specific) point in time, too close to a deadline to reasonably begin a critical task.

(idiomatic) Very close to a deadline.

modern, contemporary / including the very latest information

a device, in a watch, in which the current time is announced by means of a combination of sounds that represent the hour, quarter hour, and minute; usually activated by a button

Just before it is too late; in the nick of time. / Done or occurring at the latest possible time before an event.