The Data Explorer claims that the most recent data is from Dec 7th thru 13th, for all sites.
But, it was pointed out to me that this query returns an invalid row (NullUserException earned the badge as of Nov. 15th).
So then I made this query and it claims that NullUserException only has 107 badges, with the latest earned on Nov. 12th.
However, NullUserException actually has 115 badges -- all of them earned well before this latest SEDE update!
So what went wrong with the SEDE data? And, how can we make sure that it won't happen again?
As Conrad Frix points out, none of the data in SO appears to be updated!
The "most recent" date displays are