v8.5.0

1. Fix TypeScript typings
2. New push types and error constants
3. Add prettier

v8.4.0

1. Add client.destroy() to kill all outstanding connections to apns servers.
2. Upgrade tarn to v3

v8.3.0

1. Add voip support

v8.2.0

1. Add correct TypeScript definitions for NotificationOptions

v8.1.0

1. Add missing TypeScript interface for NotificationOptions
2. Remove lodash dependency

v7.0.0

Support iOS 13 and the new apns-push-type header

v6.1.0

1. Support thread-id

v6.0.0

1. Remove Bluebird
2. Remove concurrency option, instead relies on the connection pool and max connections
3. Accept a Date for the apns expiration

v5.0.0

1. Update code to use async/await
2. Introduce sendMany() for sending multiple notifications at once

Note: sendMany is the same behavior as previously sending an array to send

v4.0.4

1. Fix connection pool not releasing resources