With the advent of the new DSM 7.3.2, Synology introduced PHP 8.4. Starting today, December 11, 2025, the brand new version of PHP 8.4.14 is available in Package Center, as well as PHP 8.3. In short, it looks like the giant Synology has finally woken up and pleased its customers who have been requesting this update. How to install the new PHP 8.4 on your Synology NAS? Go to Package Center then search for PHP. Install PHP 8.4. Follow the instructions in the image below.
As you can see, after setting up WebStation with the new PHP 8.4, mariushosting, which is using WordPress as CMS, is now running under PHP 8.4!
Benchmark analyses from independent sources indicate that PHP 8.4 delivers marginal improvements over PHP 8.2 in WordPress 6.9 environments, primarily in request throughput and response times. These gains stem from refinements in the PHP engine, such as optimized object handling and reduced overhead in common operations.
PHP 8.4 delivers incremental performance gains in WordPress 6.9, primarily through engine-level optimizations in object handling, memory management, and asynchronous processing.
📝Note: PHP 8.4.14 Official Full Changelog.
⚠️Note: Do NOT confuse the PHP 8.4 package for WebStation with the PHP version used in WordPress with Docker, which already includes the latest PHP 8.4.
📝Note: With the release of the PHP 8.4.14 package, it’s very likely that DSM 8 beta will also be released by the end of July 2026.
This post was updated on Thursday / December 11th, 2025 at 10:33 AM