- We've added some options and some host specific info to our tracking class. Most notably, we're tracking the PHP version for our users now, so we can see whether we, at some point, might drop PHP 5.2 support before WordPress does.
- Auto-deactivate plugin in the rare case that the SPL (Standard PHP Library) extension is not available.
- Switch from inline
xmlnsto inline use of the
prefixattribute for breadcrumbs as that makes validation work. Fixes [Issue 1186]((https://github.com/Yoast/wordpress-seo/issues/1186).
Check whether snippet preview is shown on page before hiding / showing errors, deducted from #1178
Backed out pagination overflow redirect as it's causing too many issues.
Make sure extensions menu is fully i18n compatible.