Today boox announced new Nova 3 Color (7.8'') device.
https://youtu.be/UTbuDQp_ano
Some things of note in fw 3.1:
* Recording audio notes in the notes app
* Original books styles in NeoReader
* Screen Recording
* More shapes, styles and canvas settings in notes app
* Improved file sharing
* Side gestures to adjust frontlight/volume
* App sorting in launcher
* Annotation sharing via email