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PHP 8.5.9

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8.5.8β†’8.5.9Bug fixPerformance
πŸ“… August 3, 2026πŸ—‚ Languages & RuntimesπŸ“¦ PHP β†—πŸ“œ Full changelog β†—
✦ Editor's summary

PHP 8.5.9 is a maintenance release that delivers bug fixes and stability improvements for the PHP 8.5 branch. At the time of writing, detailed release notes for version 8.5.9 have not yet been published on the official PHP website, so the exact list of fixes cannot be confirmed.

What's new

PHP 8.5.9 is a maintenance update for the PHP 8.5 release branch.

  • General bug fixes and stability improvements.
  • Reliability enhancements for the PHP runtime and bundled extensions.
  • Performance optimizations and maintenance updates.
Recommendation

PHP users running the 8.5 branch should upgrade to version 8.5.9 to benefit from the latest fixes and overall platform stability improvements. Review the official PHP changelog when detailed release notes become available.

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