Did anything change with my account or data?
No - everything is exactly where you left it. Only the look has changed.
Where did my features go?
Everything is still there, just reorganised. You can use the new search function to find it quickly.
Can I switch back to the old design?
The new design is now the default experience for all users.
Is this available on all devices?
Yes, the update is live across iOS and Android.
How do I get the new design?
Update your app to the latest version and it'll appear automatically.