With 33 security and 370+ quality improvements, along with performance and scale enhancements, it is strongly recommend that all stores upgrade to the latest version as soon as possible to ensure their sites remain secure, compliant, and optimised for the highest level of performance.
Adobe Commerce 2.4.3 introduces enhancements to performance and security plus significant platform improvements. Security enhancements include expansion of reCAPTCHA coverage and inclusion of built-in rate limiting. Core composer dependencies and third-party libraries have been upgraded to the latest versions that are compatible with PHP 8.x.
This release includes over 370 new fixes to core code and 33 security enhancements. All known issues identified in the Adobe Commerce 2.4.2 release notes have been fixed in this release.