While I'm sure there'll be some other fallout from yesterday's work on the Second Life marketplace (I've not gone looking yet and haven't checked my usual sources for such news), I think I've found one little but annoying difference that has been introduced:
Suddenly, in the MP emails, any & in the object name is being "escaped" as an HTML entity. *facepalms*
Time to look at the forums and search for a JIRA to see if anyone's already spotted it...