We have found a regression in the Phusion Passenger Apache module, which could lock up the Apache process or thread. This regression was introduced in version 4.0.24 because of a typo. Apache users that are on Phusion Passenger 4.0.24-4.0.26 should upgrade immediately. Users of Phusion Passenger for Nginx or Phusion Passenger Standalone do not need to upgrade.
This version also introduces friendly process titles for Node.js application processes.
Installing or upgrading to 4.0.27
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