Sockets system-module (basically the API for communicating over the network))

IR system module

NFC system module (Both Old and New 3DS variants)

Home Menu

Internet Browser (Both Old and New 3DS variants)

System Settings

Activity Log

Nintendo 3DS Camera App

Nintendo 3DS Sound App

Mii Maker

Updated modules:Now what's really interesting is that there are several modules that only got updated in Japan. These are:(sources: http://yls8.mtheall.com/ninupdates/titlelist.php?date=02-22-16_07-00-58&sys=ktr Basically, a bunch of the core apps got updated, but only in Japan. If anyone has a Japanese 3DS it would be interesting to see if there are any obvious changes.