Hey! This might not be the best place to contact you, but my team is currently in crisis from a nasty Android Firestore bug. When the user's device switches networks it loses the real-time event listeners and in some cases doesn't re-establish until the app is reinstalled. We submitted a bug report and source for an app with the issue but haven't heard anything in a week. We love the product otherwise, but I thought I'd bring it to your attention.