https://www.mersenne.ca/obd shows
3,321,936,169 reserved by calebguy3 at 68% complete to 85 bits and expected complete 2022-01-07 (now 15 days overdue), and
3,321,936,263 to
3,321,936,509 no longer reserved. It would be good if progress were updated at least weekly. Doing so would offer a chance to identify and resume halted runs.