# [2023-02-09] Nylas Java SDK v1.20.1

Source: https://developer.nylas.com/docs/new/v2-changelogs/2023-02-09-java-sdk-v1-20-1/

The Nylas Java SDK v1.20.1 has been released!

- GitHub: [Nylas Java SDK](https://github.com/nylas/nylas-java/releases/tag/v1.20.1)
- Distribution: [Maven](https://repo.maven.apache.org/maven2/com/nylas/sdk/nylas-java-sdk/1.20.1)

## Added

- Added default implementation for WebhookHandler methods: onOpen, onClose, and onError ([#147](https://github.com/nylas/nylas-java/pull/147))

## Updated

- Fixed Tunnel.onMessage to emit individual deltas ([#147](https://github.com/nylas/nylas-java/pull/147))
- Changed the java-websocket dependency to api configuration ([#147](https://github.com/nylas/nylas-java/pull/147))