* `raw` now returns `changed: true` to be consistent with shell/command/script modules. Add `changed_when: false` to `raw` tasks to restore the pre-2.2 behavior if necessary.n
* New privilege escalation become method `ksu`
* Windows `async:` support for long-running or backgrodund tasks.
* Windows `async:` support for long-running or background tasks.
* Windows `environment:` support for setting module environment vars in play/task.
* Added a new `meta` option: `end_play`, which can be used to skip to the end of a play.
* roles can now be included in the middle of a task list via the new `include_role` module, this also allows for making the role import 'loopable' and/or conditional.