The Nintendo 3DS got a new update, upgrading from 7.2.0-17 to 8.0.0-18, meanwhile it should be such a big update (considering the big jump from 6.2.0-12 to 7.0.0-13 and the one tor the 6.0.0-11), this one was just this:
Unless there’s a big improvement to gives us a lot of stability, it’s pretty clear it’s a preparation for an upcoming update or maybe a exploit fix. We will bring more news once available.