OneNote for Android now supports fingerprint unlocking and password protection for sections, after the latest update. This feature was previously only available for OneNote Insiders on Android.
Microsoft is updating the OneNote for Android app with support for dark mode. Other improvements include inking enhancements, ability to drag and re-order sections, and a drag-to-sync feature.
Microsoft updated its OneNote apps for iPhone, iPad, and Mac today with a number of highly requested features including the ability to insert files, lock and unlock protected sections, PDF printouts, ...