Disable restricting Android API to get recent tasks in Lollipop and newer. This restriction causes that some apps (e.g. Greenify) don't work as they should, since Android now returns nothing or useless info when they want to get recent tasks. This module should fix it as it was before.
http://repo.xposed.info/module/com.pyler.unrestrictedgettasks
http://repo.xposed.info/module/com.pyler.unrestrictedgettasks