The PHP development team has released a candidate version of PHP 8.5.5, addressing critical issues with the JIT compiler and memory leaks. This update includes patches for vulnerabilities in Opcache and arithmetic errors affecting complex calculations, as well as fixes for module-specific issues like DOM attribute handling and avif image support. Developers are advised to test this build thoroughly before upgrading production servers due to significant impacts on core performance and security. The release also includes improvements in memory safety and handling of data during runtime, alongside various library fixes and resolution of memory leaks in specific modules
PHP 8.5.5 RC1 released
The PHP development team has pushed out a release candidate for version 8.5.5 to fix critical instability in the JIT compiler and address memory leaks. The engine received patches for use-after-free vulnerabilities in Opcache and arithmetic errors that could break complex calculations under load. Users will also find fixes for specific module issues ranging from broken DOM attribute handling to missing support for avif images in standard functions. Teams should test this build carefully before upgrading production servers since the changes impact core performance behaviors and security posture significantly.
