Ask questions on StackOverflow:

• When you ask questions about the Google API Client Library for Java, use the google-api-java-client tag. Before you post a new question, review the most asked questions.
• For questions about Google APIs, use the google-api tag.
• Optionally include a tag to specify the language or platform, for example java, android, or google-app-engine.
• For tips on asking StackOverflow questions, see How to Ask.

You can suggest features and report issues on our public Issue Tracker. This is a great place for the community to discuss and track implementations of features or resolution of bug fixes, as well as share workarounds and patches.

If you find a bug:

• View known bugs, and if a known bug corresponds to the issue you are seeing, "star" it or comment on it.
• If the issue you are seeing has not yet been reported, file a bug report.

If you have a feature request:

• View existing feature requests, and if a requested feature corresponds to a feature you would like, "star" it or comment on it .
• If the feature has not yet been requested, file a feature request.

This is an open-source library, and contributions are welcome.

You can also take a look at the release notes.