Are there any plans to track reading sessions (start_at, end_at, sync position) and expose them in the API? I currently use Marvin 3 for iOS which hasn't been

Are there any plans to track reading sessions (start_at, end_at, sync position) and expose them in the API? I currently use Marvin 3 for iOS which hasn't been updated in years but is still better than other readers. I'd love to switch to Readwise but I'll really miss the reading stats I can generate from the marvin export csvs.