We should fire visibilitychanged events, and update Page Visibility for pages going into the page cache. However, we can't currently becasue of bug 116769
So this is still broken? :(
(In reply to comment #1) > So this is still broken? :( This is still broken because we didn't give input into the spec when others were, and the spec that resulted requires us to do something incompatible with our page cache.
It's not a technical problem, it's a design philosophy problem.
*** This bug has been marked as a duplicate of bug 151234 ***