locked Expiry data question

Dave (NK7Z)

I noticed I have about two weeks left on the latest rc2 candidate. Is that date based on something coded, or based on how long the software has been run?
73, and thanks,
Dave (NK7Z)
ARRL Volunteer Examiner
ARRL Technical Specialist, RFI
ARRL Asst. Director, NW Division, Technical Resources

Join main@WSJTX.groups.io to automatically receive all group messages.