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 bugs of 4.9.
These include corrections to settings changes to the Customizer, to widgets, and to the visual 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 the upgrade, it would be a good idea to get a full backup.
