Spec: Clarify event.isReload: https://github.com/slightlyoff/ServiceWorker/commit/58a9d8bf971f0bfcbae978d0f64005e4b51d06d1
Make the query for clients explictly the currently controlled client: https://github.com/slightlyoff/ServiceWorker/commit/c1a701b64beb750b9bc77056817b2223f8e92dd5
Remove CSP support as of now; the feature might be added for workers in general later
Spec: Add update() and unregister to SW global scope; Change self.registration to self.scope
Spec: Remove encoding from Request and Response: https://github.com/slightlyoff/ServiceWorker/commit/2a52c620713c5b534c564d7cdbaacc6496337282