The WiiU+Switch 3.0.1 system update was released on July 31, 2017. This WiiU update was released for the following regions: USA, EUR, and JPN. This Switch update was released for the following regions: ALL.
Security flaws fixed: <fill this in manually later, see the updatedetails page from the ninupdates-report page(s) once available for now>.
Official USA change-log:
- N/A, see the official page for the actual changelog.
<fill this in (manually) later>