Yoast/wordpress-seo — pull request #1162 by jrfnl (2014-05-23 03:51:14+00:00)
Title: Auto-deactivate plugin if SPL extension not available

(prevent white-screen).

This is the only (and last) thing I can think of in the v1.5 updates which could still cause a white-screen, everything else has been dealt with via work-arounds.

Testing appreciated.