I've found that "Safari opens with: All windows from last session" now works even when I clear its history when I quit it. That overcomes a most annoying side effect of running Cookie.

I've also found that Safari > Preference pane tabs close with one click as has always been the case, except for the "General," tab, which now requires two clicks.

The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire