Remi Collet has pushed out PHP 8.5.5 and 8.4.20 packages for Fedora Linux and RHEL-based systems through the remi-modular repository. Security fixes are absent this month so legacy versions stay put while admins plan their upgrades without urgency. Installation options include switching system defaults via dnf module commands or running parallel builds as Software Collections for safer testing. Verification of application compatibility remains essential before replacing the standard library on any production server.

How to install the new PHP 8.5.5 packages Fedora systems using Remi Collet repository

Server administrators managing RHEL or Fedora environments have a fresh set of PHP versions ready for deployment. This update covers the latest stable releases from Remi Collet including the new PHP 8.5.5 packages Fedora users are waiting for without introducing any urgent security patches this month. Readers will find out how to switch system defaults or run parallel installations using the command line tools available in their respective distributions.

Understanding the scope of PHP 8.5.5 packages Fedora updates this month

The latest release cycle includes versions 8.4.20 and 8.5.5 for users on Enterprise Linux version eight or higher and Fedora forty-two or newer. There is no security fix available yet for the older 8.2 and 8.3 branches so those versions remain untouched during this window. This approach prevents unnecessary churn for systems that are currently stable and only requires attention when a critical vulnerability appears in the codebase.

Switching the default PHP module on Enterprise Linux or Fedora systems

Users can replace the system default with version 8.5 by running specific module commands depending on their distribution version. On Enterprise Linux using dnf four, the switch-to command handles the transition cleanly while Fedora users must reset and enable the new stream first. It is wise to check existing dependencies before forcing this change because legacy applications might rely on the older library versions currently in place. Version 8.5 introduces new features but users should verify compatibility before moving critical services away from the long-term support branches.

Running parallel installations as Software Collections for safer testing

For developers who need to test changes without risking production stability, the remi-safe repository offers a parallel installation method. This option installs version 8.5 or 8.4 alongside the system default rather than replacing it entirely which allows for side-by-side comparison. The yum install command initiates this process while keeping the core operating system files untouched during the evaluation phase.

️ PHP version 8.4.20 and 8.5.5

RPMs of PHP version 8.5.5 are available in the remi-modular repository for Fedora ≥ 42 and Enterprise Linux ≥ 8 (RHEL, Alma, CentOS, Rocky...).

️ PHP version 8.4.20 and 8.5.5

Happy upgrading and keep an eye on any configuration quirks that might pop up after the switch.