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Node.js agent release notesRSS

October 14, 2015
Node.js agent v1.22.2

Notes

  • Removed client support of the RC4 stream cipher for communicating with the New Relic servers.

    The RC4 cipher is considered unsafe and is generally being deprecated.

  • Fix for logging version number in Express instrumentation. Thanks @tregagnon.

    When an unsupported version of Express is detected, we log a message that contains the Express version number. The version is a string and was being logged as a number, resulting in NaN in the log message.

  • Agent is now more safe when recording memory stats.

    Previously, the agent would crash the process as it was gathering memory usage information (i.e. when process.memoryUsage threw an error). This defect is now guarded against with a try-catch.

September 21, 2015
Node.js agent v1.22.1

Notes

  • Express and Connect instrumentation will no longer crash on Node 4

    As of ES6, the Function.name attribute will track if the function is a getter/a setter/is bound to (i.e. fn.bind().name -> 'bound ' + fn.name). This new behavior caused the agent to crash on start up due to the way connect and express are instrumented. The agent is now more defensive of future implementations of ES6.

August 20, 2015
Node.js agent v1.22.0

Notes

  • Errors will now respect its transaction's ignore state.

    When ignoring transactions, related errors will now also be ignored.

  • The agent can now handle immutable and frozen error objects.

    In rare cases the agent gets passed an immutable error object. The agent would then crash when trying to tag the error object with the current transaction. We now handle these errors properly.

August 6, 2015
Node.js agent v1.21.2

Notes

  • Corrected a defect in the handling of uncaught exceptions

    This defect was surfaced in versions of node that did not have process._fatalException, namely v0.8. When an uncaught exception occurs, the agent now records the error and passes it along to the other uncaught exception handlers that have been registered. This was inverted before, passing along errors when there were no other error handlers present and rethrowing otherwise.

July 13, 2015
Node.js agent v1.21.1

Notes

  • Moved concat-stream from dev dependencies to production dependencies.

    Last week we released v1.21.0 but forgot to move a dependency. We've removed v1.21.0 from npmjs.org and this release contains the changes from that version.

  • Support for display host names (originally in 1.21.0).

    The agent now has configuration settings to allow configuration of custom host names. Set process_host.display_name to enable this.

    If this config is not set, the agent will continue to use the host name found through an os.hostname() call. Should this lookup fail somehow, process_host.ipv_preference can now be set to 4 or 6 to configure the type of ip address displayed in place of the host name.

July 10, 2015
Node.js agent v1.21.0

Notes

  • This release has been unpublished from npmjs.org. Use v1.21.1 or higher instead.

  • Support for display host names.

    The agent now has configuration settings to allow configuration of custom host names. Set process_host.display_name to enable this.

    If this config is not set, the agent will continue to use the host name found through an os.hostname() call. Should this lookup fail somehow, process_host.ipv_preference can now be set to 4 or 6 to configure the type of ip address displayed in place of the host name.

June 23, 2015
Node.js agent v1.20.2

Notes

June 11, 2015
Node.js agent v1.20.1

Notes

  • Fixed a bug in custom event recording limits.

    Previously, the agent would use the config value for max events (default of 1000) for the first harvest of custom events, then would use an internal default for the reservoir with max of 10 events for each harvest after that, resulting in less than the expected number of events being sent.

  • Exposed the custom_insights_events settings in the user config.

    You can now set custom_insights_events.enabled and custom_insights_events.max_samples_stored in your newrelic.js.

    Read more about these settings in our documentation.

June 5, 2015
Node.js agent v1.20.0

Notes

  • Triaged a defect in native promise instrumentation

    Transactions used to be lost acrossed chained .then calls. The way promises are wrapped has been changed to fix this issue.

  • Added support for Slow Queries

    Slow Query information will now appear in the UI for Node agent users. This feature allows you to see a trace for slow datastore queries. Read more about this feature in our documentation

May 21, 2015
Node.js agent v1.19.2

Notes

  • Fixed an issue with Error tracing

    Previously the agent could sometimes cause issues with user serialization of error Âobjects after they passed through the error tracing code.

  • MongoDB cursor count method is now instrumented

    The count method on MongoDB cursors is now instrumented. Previously, count would not be included in transaction traces.

  • Fixed a typo in NEWS.md

    Previously the release notes for v1.19.1 were included as notes for 1.19.0. This has now fixed thanks to @bruun

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