3.0.0
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
The 3.0.0 system update was released on June 19, 2017. This update was released for all regions.
Security flaws fixed: unknown.
Change-log
This is the official changelog from Nintendo regarding this update:
Improvements Included in Version 3.0.0
- <see official site>
System Titles
It's unknown exactly what titles were updated.