New Fixed position bug on iOS8

Question

I have a site with a fixed header and slide-out sidebars. With iOS7 in portrait orientation, the fixed header stays fixed when the sidebar is visible, but on iOS8 the header

Answer 1

I was trying to do something similar (see here and here) then found that Apple has published a technical note recommending that fixed positioning be avoided. I swear it worked fine in iOS 7, but now with iOS8 it no longer "sticks".

This problem seems closely related to setting this meta tag:

See also: Fix div to bottom without using css position