Η WordPress, just released a minor version. OR 4.2.2 version addresses some issues security and solves 13 problems. For more see note. 
Let's look at the improvements of the new version.
- Fixes an emoji loading bug on browsers IE9 and IE10
- Fixes a keyboard shortcut to save from Visual editor to Mac
- Fixes oEmbed for YouTube URLs to continuously add https
- Fixes how WordPress checks for encoding when sending sending strings to MySQL
- Fixes a bug on dbname.tablename format
- Uses less memory to control regex in UTF-8 encoding
- It fixes his problem wp_signups table when converting it to utf8mb4
- Improving performance by_get_term_children ()
- Fixes a at attachment URLs that were forced to use https
The developers of the platform are known not to make available to the public the list of security issues resolved by the new edition, for obvious reasons.
The list of security updates will be released later when they are confident that most have upgraded their software.
Those you use WorPress it's a good idea to upgrade directly from the management panel or through FTP.
You can download the new version from the link below.
https://wοrdpress.org/latest.zip
