2.1.0

The 2.1.0 system update was released on March 27, 2017. This update was released for all regions.

Security flaws fixed: yes.

Change-log

This is the official changelog from Nintendo regarding this update:

Improvements Included in Version 2.1.0

• General system stability improvements to enhance the user's experience

System Titles

It's unknown exactly what titles were updated.

Browser

A browser vuln was fixed, see also here for v2.1 browser details.

FIRM Packages

Title 0100000000000819 wasn't updated. The only change in title 010000000000081A was that "/nx/package2" in the FS was updated.

NS-sysmodule

The NS-sysmodule was updated.