If, like me updating the NextGEN plugin messed your home page up (lost slider and widgets) here is the fix.
Refer to https://wordpress.org/support/topic/2-2-8-upgrade-breaks-graphene-theme-slider/
which will take you to the following for the solution.
https://wordpress.org/support/topic/v2-2-8-breaks-twenty-seventeen-design/#post-9225501