As per @bmunkholm's comment https://github.com/realm/realm-studio/issues/132#issuecomment-330898576 and on Slack
> We shouldn’t have to wait for the realm to be fully synced before we start showing the (partial) content.

This seems to be blocked by the fact that the Realm.open returns a promise that does not resolve before the Realm has been completely downloaded.

The progress of download should be visible for the user.