Jetpack by WordPress.com was updated to version 3.9.6, from version 3.9.4. Changelog:
3.9.6
- Bug fix: Shortcodes: fixed incorrect Vimeo embed logic.
3.9.5
- Contact Form: no longer calling the datepicker method if it’s not available.
- SSO: settings checkboxes now honor filters and constants that restrict certain sign-in modes.
- Shortcodes: fixed a problem with Gist fetching.
- Shortcodes: fixed invalid HTML5 markup in YouTube embed code.
- Shortcodes: made the Vimeo links work properly in case of multiple mixed uses in one post.