You might need to apply different styling to posts without a featured image, this function will add a class to the body tag to all single posts without a featured image:
Maybe not entirely, but it looks a bit more user friendly to show error messages instead of the dreaded white screen of death at least.
Realising the importance of keeping your WordPress site well maintained might not be clear to everyone yet, but if you are at the stage where you have decided that you want to let professionals handle the well-being of your site(s), then the good people over at the Under Construction Page just made it a bit […]
The new widgets look really cool, going to play around with them for a bit. Read more about all the new features in WordPress 4.8 here: https://wordpress.org/news/2017/06/evans/.