1) Yes, eventually.
2) Yes, any json exported using the app will be understood in future versions.
If you happen to follow threads here:
Notifications/reminders are great. They'd be even more great if they'd disappear after me adding to a goal.
Think: 'Remind me at 9 to have breakfast'. Eat. Open Goalie. Swipe right. Browse HN. :)
10:00 - still seeing a reminder for breakfast that won't go away without dismissing it manually.
Exporting the data seems to generate somewhat readable json. Nice and simple.
1) Can I import that again, somehow?
2) Will you try to make sure that this json import/export format will be understood in versions 4 month from now?