One more data point: The older version (14.0.13.23) of framework started appearing in the repos some time between the two following dates:
[2020-Apr-10 22:04:52] [UPDATE] (BMO/Notifications.class.php:507) - [NOTIFICATION]-[freepbx]-[NEWUPDATES] - There are 26 modules available for online upgrades
[2020-Apr-11 11:26:26] [UPDATE] (BMO/Notifications.class.php:507) - [NOTIFICATION]-[freepbx]-[NEWUPDATES] - There are 25 modules available for online upgrades