These are things that we have expressed interest in but haven't implemented yet. There is no order, if you feel like you can complete one of the tasks. Feel free to fork the project and send a pull request with the new code.
HTML5 Clipboard API
In a perfect world we wouldn't need ZeroClipboard, and the browsers would just take care of it. We would like to write ZeroClipboard to use the browser's clipboard API when available. See Issues #171 and
We want to setup a unit test suite for the Flash SWF and/or its underlying ActionScript files. See Issue #43.