Here's the official changelog since the previous version from last week:
- Introduced the Planned section: The new Planned section will show all activities with a reminder or planned deadline.
- New settings icon
- New link to Pen Settings
- Corrections and improvements
Here's the new version of To-Do in action on my Lumia 950 XL:
You can grab Microsoft To-Do here in the Store, if you haven't already. As mentioned before, this is shaping up to be an attractive and pretty powerful tool/service, syncing on multiple devices and platforms, and I'll be diving into more depth with it in due course.