Habbo updated to R55 quite awhile ago, but it wasn't anything really noticeable.
New register button:
New background (doesn't say Habbo):
German Community Manager announces games in the future:
Translation: There will be other games, perhaps this year.
You can now connect your Habbo account to multiple external websites (i.e. Facebook, Twitter, etc).
Last but not least, Habbo has implemented cross domain protection into their SWF's, meaning that retros can no longer use Habbo SWF's in the future.
New register button:
New background (doesn't say Habbo):
German Community Manager announces games in the future:
Translation: There will be other games, perhaps this year.
You can now connect your Habbo account to multiple external websites (i.e. Facebook, Twitter, etc).
Last but not least, Habbo has implemented cross domain protection into their SWF's, meaning that retros can no longer use Habbo SWF's in the future.