A font weight, TT Travels Medium, that I have already specced for certain classes has simply disappeared. But when I attempt to reload it, Blocs informs me that that particular font/weight has already been installed.
h1 has it:
But Font manager has lost it:
Update: So I blew the entire family away, and re-installed it from scratch. The missing weight came back, but it is exceedingly weird that it vanished into thin air to begin with. Hope it stays there.