The official Nintendo Switch Online app has been updated to a new version across all supporting iOS and Android devices. Read on below for the official release notes:
What’s New in Version 2.1.0 (iOS)
・ Support for Dark Mode has been added to the app’s Settings. (Requires iOS 13 or later.)
・ Other minor changes have also been implemented.
What’s New in Version 2.1.0 (Android)
・ Support for Dark Mode has been added to the app’s Settings. (Requires Android OS 10 or later.)
・ Other minor changes have also been implemented.
Source: Nintendo
Pokémon Blog 