Passenger releases

Version 6.1.2 of the Passenger application server has been released. This is a very small bugfix release, which rolls out the new signing key for linux repos.

Version 6.1.1 of the Passenger application server has been released. This release adds packages for Ubuntu 25.10 "questing", and removes packages for Ubuntu 25.04 "plucky". Compatibility with the upcoming Ruby 4 is also improved.

Version 6.1.0 of the Passenger application server has been released. This release adds rpm packages for EL10 (RHEL, Rocky, Alma), as well as Debian 13 Trixie. Compatibility with Rack 2&3 is also improved.

Version 6.0.27 of the Passenger application server has been released. This release removes the admin panel (Fuse), and fixes an issue where Passenger could freeze while connecting to application processes. Packages for Ubuntu 25.04 "Plucky Puffin" were also added.

Version 6.0.26 of the Passenger application server has been released. This release fixes a vulnerability where invalid http requests could cause a DOS.

Version 6.0.25 of the Passenger application server has been released. This release fixes an issue where Bundler would try to re-exec the process name instead of the script, and adds a config option to allow reverting to

Version 6.0.24 of the Passenger application server has been released. This release adds packages for Ubuntu 24.10 (Oracular), and improves rolling restart performance.

Version 6.0.23 of the Passenger application server has been released. This release adds Ubuntu 24.04 Noble packages, improves Rack3 compatibility, and adds the ability to set a custom error page in place of the Passenger

Version 6.0.22 of the Passenger application server has been released. This release fixes a couple issues with 6.0.21.

Version 6.0.21 of the Passenger application server has been released. This release switches the RPMs to Nginx 1.24 on EL9 distros (RHEL, Rocky, Alma), and removes Ubuntu Mantic (23.10) packages, the addition of Ubuntu noble (24.04LTS) packages is delayed due to an upstream bug.

Version 6.0.20 of the Passenger application server has been released. This release fixed an issue that prevented the Ubuntu 23.10 mantic packages from being published, addressed some forwards compatibility issues in Python and Ruby and hardened our builtin http parser against request smuggling.

Version 6.0.19 of the Passenger application server has been released. This release rounded out our support for arm64 (also called aarch64) by adding el8 & 9 aarch64 rpms and prebuilt generic arm64 binaries for RubyGems installs of Passenger.

Version 6.0.18 of the Passenger application server has been released. This release changes the Nginx rpm we build against to the newest module stream, this affects EL8 and EL9 distributions, special 1-time upgrade instructions are provided.

Version 6.0.17 of the Passenger application server has been released. This release adds support for Ruby 3.2.0, and bumps the preferred Nginx to 1.22.1.

Version 6.0.16 of the Passenger application server has been released. This release fixes availability of Enterprise Linux 9 (RHEL, Rocky, Alma) packages, and adds ARM64 packages for Debian and Ubuntu distros.

Version 6.0.15 of the Passenger application server has been released. This release adds Enterprise Linux 9 (RHEL, Rocky, Alma) packages, and improves Solaris support.

Version 6.0.14 of the Passenger application server has been released. This release adds Ubuntu 22.04 "Jammy" packages, and removes Ubuntu 21.10 "Impish" packages. Passenger 6 introduced Generic Lang