Same on iOS - The message I received said "Update to the latest version for global rankings". Update isn't available on iOS yet, but I imagine it will drop today.
Alternatively GI may be back to their old tricks.
I'm on Andriod and have experienced the same thing all night. Only some flights are counting. When I check my progress, the number sometimes bounces backwards, which is...frustrating.
Edited to add that the update is now available for Android.