Automattic developers have just released the new WordPress version 4.9.3: This version of the popular CMS (from content management system) is a maintenance release and comes to fix 34 errorthose of 4.9.
These include fixes to Customizer change settings, widgets, and visuals editor. The new version also offers compatibility with the new PHP 7.2.
WordPress 4.9.3 as mentioned above contains 34 bug fixes, which you can see in detail in the release notes.
https://wοrdpress.org/news/2018/02/wοrdpress-4-9-3-maintenance-release/
Of course as with any information, you should upgrade immediately, either by downloading it application from the official website, or from your admin panel in automatic mode.
Before proceeding with upgrade it would be good to get a full backup.
