Is an update required for MYSQL?

[rie]

Hello friends, does this Mysql site have an impact on speed or other tasks, is it necessary to update? What is the new version of Mysql 5.5.56 in this regard, thanks to friends who help. Here are mine. Operating System Linux Server Apache Memory usage 8.33 MByte MYSQL Version 5.5.56 SQL Mode Not set PHP Version 5.6.36 PHP Allow URL fopen Enabled PHP Memory Limit 268435456 PHP Max. Upload Size 2M PHP Max. Post Size 8M PHP Max. Script Execution Time 60 PHP Exif support Yes (V1.4) PHP IPTC support Yes PHP XML support Yes