This document summarizes the new features and changes in Ansible 2.2. Key points include:
1. Performance improvements including restored 1.9 performance levels.
2. New features like include_role allowing roles to be included as tasks, serial batches as lists, and end_play to skip plays.
3. Many new modules added across networking, cloud, and other domains. Deprecated modules include eos_template and others to be replaced with *_config modules.
4. Initial support for Python 3 with core features and essential modules now compatible.