As an org, Packers are not very talkative about these things. However, we usually do get something. Compared to the rest of the League, the Packers are slow, but not New England paranoid. McCarthy usually comments then just shuts it down after an update or two.
The most recent example like Monty was Sherrod, who, like Monty, had to come forward well after the fact to explain that they had to reset or fix his fractured leg again after his first surgery and that was the reason for his first aborted return. As it turns out, Sherrod did not want to disclose the info for a long time. Preferring to keep his work quiet.
Monty might have felt the same way. But somehow we never seem to get to this point knowing very little unless its very bad and the player has a lot of obstacles to overcome.