With webkit-gtk r28880 and later text is missing in all web pages. Using pango 1.16.2 . Here is a screenshot: http://img171.imageshack.us/img171/769/webkitgooglefd3.png
Commits r28880, r28876, r28865, r28864 causing this regression were backed out in r28921. Please re-open this bug if the issue persists.