Firefox 3.6 Release Notes (Mozilla) Firefox 3.5 Release Notes (Mozilla) Fixed a single stability issue affecting a limited number of users だそうで、一部ユーザの安定性の問題の修正のみかな。

About the security content of QuickTime 7.6.8 (Apple) AppleがQuickTimeの更新版を公開、Windowsの深刻な脆弱性に対処 (ITmedia) 2件の脆弱性を修正。