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PHP Compatibility Checker · Version history

PHP Compatibility Checker changelog and version history

Latest version
1.6.3
Jul 20, 2026 (3 months ago)
Releases
28
since 2016
In the last year
1
Tested up to
WordPress 6.4.14
PHP 5.6 or later

Releases each year

  • 201614 releases
  • 20173 releases
  • 20184 releases
  • 20192 releases
  • 20211 release
  • 20233 releases
  • 20261 release

20261 release

  1. PHP Compatibility Checker 1.6.3Latest

    • Fix issue where Buffer was not available to the scans.

20233 releases

  1. PHP Compatibility Checker 1.6.2

    • Update packages.

  2. PHP Compatibility Checker 1.6.1

    • Fix issue on update where old files were included.

  3. PHP Compatibility Checker 1.6.0

    • Changed from running PHP Compatibility scans on your WordPress server to using scan data from Tide.
    • Removed phpcompat WP-CLI command.
    • Update dependencies.

20211 release

  1. PHP Compatibility Checker 1.5.2

    • Removed PHP 5.2 checks
    • Fixed PHP 8 issue where plugin cannot cannot be uninstalled.

20192 releases

  1. PHP Compatibility Checker 1.5.0

    • Added support for PHP 7.3 compatibility checks.

  2. PHP Compatibility Checker 1.4.7

    • Better translation support.

20184 releases

  1. PHP Compatibility Checker 1.4.6

    • Switched to new PHPCompatibilityWP library to help prevent false positives.

  2. PHP Compatibility Checker 1.4.5

    • Use plugin version number to enqueue scripts and styles.

  3. PHP Compatibility Checker 1.4.4

    • PHP 5.2 Support & PHP 7.1 and 7.2 Lints.
    • Updated call to action sidebar depending on platform.

  4. PHP Compatibility Checker 1.4.3

    • Fixed Composer issue.

20173 releases

  1. PHP Compatibility Checker 1.4.1

    • Updated PHP_CodeSniffer to fix a security advisory.
    • Whitelisted a number of plugins.

  2. PHP Compatibility Checker 1.4.0

    • Updated UX for viewing PHP errors to be more intuitive and require less scrolling.
    • Added links for non-technical users who need assistance from developers to fix PHP errors or to test their site in PHP 7 enabled hosting environments.

  3. PHP Compatibility Checker 1.3.2

    • Added a “Clean up” button and uninstall.php.
    • Added phpcompat_phpversions filter.

201614 releases

  1. PHP Compatibility Checker 1.3.1

    • Whitelisted a number of plugins.

  2. PHP Compatibility Checker 1.3.0

    • Updated the PHPCompatibility library to latest version. Should fix many false positives.
    • Changed language and added help text to Admin UI.

  3. PHP Compatibility Checker 1.2.4

    • Fixed Composer issue.

  4. PHP Compatibility Checker 1.2.3

    • Updated the PHPCompatibility library to latest version.
    • Whitelisted TablePress.

  5. PHP Compatibility Checker 1.2.2

    • Whitelisted UpdraftPlus and Max Mega Menu.

  6. PHP Compatibility Checker 1.2.1

    • Updated the PHPCompatibility library to latest version.

  7. PHP Compatibility Checker 1.2.0

    • Updated the PHPCompatibility library to latest version.
    • Added support for PHP 5.6

  8. PHP Compatibility Checker 1.1.2

    • Fixed issue with WordPress notices breaking the plugin header.
    • Changed the way we send and parse JSON.
    • You can now restart an in progress scan.
    • Updated download.js to v4.2 for better Safari compatibility.

  9. PHP Compatibility Checker 1.1.1

    • Fixed bug with active job display.
    • Updated progress bar calculation.

  10. PHP Compatibility Checker 1.1.0

    • Test results now persist page reloads.
    • Failed tests will show an overview of the results.
    • The scan timeout is now configurable using a filter. See the FAQ for more details.

  11. PHP Compatibility Checker 1.0.3

    • Fixed a bug in the WP-CLI command.
    • Added a handful of PHP 7 compatible plugins to the whitelist.

  12. PHP Compatibility Checker 1.0.2

  13. PHP Compatibility Checker 1.0.1

  14. PHP Compatibility Checker 1.0.0

Questions about PHP Compatibility Checker’s releases

What is the latest version of PHP Compatibility Checker?

1.6.3, released on Jul 20, 2026 (3 months ago). It’s tested up to WordPress 6.4.14 and needs PHP 5.6 or later.

How often is PHP Compatibility Checker updated?

One release in the last year. Its first release on WordPress.org dates from June 2016.

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Release dates come from the day each version’s folder was made in PHP Compatibility Checker’s WordPress.org SVN repository; the notes from its readme’s changelog, as its authors wrote it.