Introducing the Minimum MySQL Version chart. Historical chart displaying the minimum MySQL version required to run each major WordPress version. Source The official requirements are available on the “Requirements” page on In addition, the required MySQL version is defined in the version.php file. History With the release of WordPress 2.0 in 2005, the minimum required versions set to MySQL 3.23.23. In 2007, when WordPress 2.1 was released, MySQL 3 was abandoned in favor of MySQL 4.0. At the end of 2009 with the release of WordPress 2.9 the minimum version was updated again to MySQL 4.1.2. The last update happened in 2011 when WordPress 3.2 abandoned MySQL 4.x in favor of MySQL 5.0.15. Insights The minimum required MySQL version was upgraded 4 times, each time 4 year apart (2005, 2007, 2009 and 2011). Just like the last PHP upgrade, the last MySQL minimum requirement upgrade was 6 years ago. The current minimum MySQL version has already reached EOL (End of Life) and it is no longer supported. Have any insights? Share them in the comments area below. I'm an entrepreneur, a web developer and a blogger. I’ve contributed code to each and every release since
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