Update scanning

A system comprising:

• an update classification component configured to group updates into at least a first set of updates and a second set of updates, the updates grouped into the first set configured to be transmitted in a first sync call to an updating service and the updates grouped into the second set configured to be transmitted in a second sync call, the first set of updates different than the second set of updates.

A computer readable medium comprising computer executable instructions that when executed at least in part via a processor perform a method, the method comprising:

• identifying a first set of updates to be sent to an updating service in a first sync call, the first set of updates comprising a first basis update, zero or more updates that are preconditions for the first basis update, and zero or more updates whose preconditions are satisfied by at least one of the first basis update and the one or more updates that are preconditions for the first basis update;
• and
• identifying a second set of updates to be sent to an updating service in a second sync call, the second set of updates comprising a second basis update, zero or more updates that are preconditions for the second basis update, and zero or more updates whose preconditions are satisfied by at least one of the second basis update and the one or more updates that are preconditions for the second basis update, the first set of updates different than the second set of updates.