The site is on WordPress 4.6.6 - often come across statements that for security purposes you must more or less regularly make the updates. Webmaster, on the contrary, says that there is no sense at all to the same after the upgrade appears exactly the same error.
So should I update or not? Does it have a significant impact on SEO, site security, or anything else?
So should I update or not? Does it have a significant impact on SEO, site security, or anything else?