The 4.1.9 update is primarily a cosmetic update with a few minor bug fixes. The cosmetic changes are as follows, for a full rundown, check the changelog. Header Menu: For all pages with a “Screen Options” choice (the  button), we have added a “Reset Page” button to the bottom left that restores that page to the default setup from install. This reset includes any moved or removed widgets and columns. We switched the checkboxes from being checked to represent hiding widgets to un-checked representing hiding widgets to match how WordPress wp-admin handles checkmarks. On the Overview Page (specific) “Screen Options,”