A few of the apps get regular updates, but admittedly a lot of them have gone stale. Sandstorm's security model makes it so that this isn't a security risk in the way it would be on other platforms, but it's certainly disappointing if you're looking for the latest versions of apps.
https://github.com/sandstorm-io/sandstorm/blob/master/CHANGE...
A few of the apps get regular updates, but admittedly a lot of them have gone stale. Sandstorm's security model makes it so that this isn't a security risk in the way it would be on other platforms, but it's certainly disappointing if you're looking for the latest versions of apps.