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Ruby agent v3.5.8.72

February 28, 2013


The end-of-life date for this agent version is July 29, 2019. To update to the latest agent version, see Update the agent. For more information, see End-of-life policy.


  • Key Transactions

    The Ruby agent now supports Key Transactions! Check out more details on the feature at https://newrelic.com/docs/site/key-transactions.

  • Ruby 2.0

    The Ruby agent is compatible with Ruby 2.0.0 which was just released.

  • Improved Sinatra instrumentation

    Several cases around the use of conditions and pass in Sinatra are now better supported by the Ruby agent. Thanks Konstantin for the help!

  • Cross Application Tracing

    See https://newrelic.com/docs/features/cross-application-traces for details. Adds a 'X-NewRelic-ID' header to outbound Net::HTTP requests. This change helps improve the correlation of performance between services in a service- oriented architecture.

  • Automatically detect Resque dispatcher

    The agent does better auto-detection for the Resque worker process. This should reduce the need to set NEW_RELIC_DISPATCHER=resque directly.

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