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Version 6.1.6 of the Passenger application server has been released. This release updates the Nginx used in Passenger standalone and also addresses an ABI break in RHEL/Rocky/Alma Nginx packages.

Version 6.1.5 of the Passenger application server has been released. This release contains no changes and addresses an ABI break in Ubuntu's Nginx packages.

Version 6.1.4 of the Passenger application server has been released. This release bumps the version of the builtin Nginx engine used in Standalone mode and adds prebuilt binaries for ruby 4.0.5.

Version 6.1.3 of the Passenger application server has been released. This release adds packages for Ubuntu 26.04 "resolute", and removes packages for Ubuntu 25.10 "questing" and Ubuntu 20.04 "focal".

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.

In accordance with the deprecation of the use of SHA-1 signing for keys used to sign linux repos, Phusion is moving to a new signing key signed with a SHA-256 signature. This particularly affects users who install Passen

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

Applications hosted by Phusion Passenger now benefit from lower latencies and lower resource usage during deployments and restarts. Over the last couple of releases, Phusion has worked with one of our wonderful custome

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.