jquery - Followup on: iOS 9 Safari: changing an element to fixed position while scrolling won't paint until scroll stops -

i've run same issue pablo describes here.

if position of element changes static/relative/absolute fixed while scroll animation ongoing element becomes invisible until after scroll has come stop.

the 3d transform trick described in thread worked me safari , firefox still see behavior described above in chrome , opera mini.

any thoughts on fix, workaround, hack, etc. two?

thanks!