WordPress SEO was updated to version 1.4.4, from version 1.4.3. Changelog:
1.4.4
- Fix changelog for 1.4.3
- Fix activation bug
1.4.3
- Register core SEO menu at a lower than default prio so other plugins can tie in more easily.
- Remove alt= from page analysis score divs.
- Make site tracking use the site hash consistently between plugins.
- Improve popup pointer removal.