capybara-webkit hits 1.0.0 when:

* All shared examples from capybara are implemented. See
  capybara:lib/capybara/spec/**/*rb for the shared example groups.
* Test failures are a result of issues in the developer's code and not
  capybara-webkit.
* Test failures lead to clear explanations for what failed and what can
  be done to resolve them.
* It handles iframes, cookies, page loading, and other oddities.