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Table of Contents

The following notes describe 4.5.x updates to Browser Real User Monitoring, which includes the JavaScript Agent.

If an artifact has been updated, the version number of the updated artifact and its availability date are listed below. The version number corresponds to that shown on the download portal (

4.5.6 (JavaScript Agent) Updates

Version - January 11, 2018

The JavaScript Agent now supports, by default, the monitoring of Ajax requests made through the Fetch API. The Fetch API calls will be treated and displayed as Ajax requests in the Controller UI.

You can include and exclude as well as set call limits per page for Fetch API calls just as you would do with typical XHR calls. Correlating business transactions and reporting custom data for Fetch API calls, however, are not supported yet. To disable the monitoring of Fetch API calls, see Disable Monitoring of Fetch API Calls.

4.5.5 Updates

Version 4.5.5 – December 21, 2018

Resolved Issues
BRUM-4499Updated the jackson-databind package for the Orcha utility 
BRUM-4534Uncaught TypeError: Cannot read property 'handleEvent' of null 

4.5.5 HF1 (JavaScript Agent) Updates

Version - December 19, 2018

Resolved Issues
BRUM-4616JS Agent: adrum- is throwing JS error

4.5.5 (JavaScript Agent) Updates

Version - December 7, 2018


4.5.4 Updates

November 19, 2018

Resolved Issues
BRUM-1480The IFrame Dashboard is missing related Ajax requests
BRUM-4354Custom user data date not being captured in the JSON beacon reader

4.5.2 Updates

Version – October 15, 2018

Resolved Issues
BRUM-4097The README file for the EUM Server lists the wrong version

4.5.1 Updates

Version – September 5, 2018

Resolved Issues
BRUM‑3742PLT value high due to the counter mismatch in observers
BRUM-3855removeEventListener() no longer works after the listener is wrapped by Causality.wrap()

4.5.1 (JavaScript Agent) Updates

Version – August 16, 2018

  • You can now limit which virtual pages are monitored by defining filters in the JavaScript Agent configuration. See Exclude Virtual Pages from Being Monitored to learn how to define filters and set the JavaScript Agent configuration.

4.5.0 Updates

July 11, 2018

  • SPA2 Monitoring now enables you to use the JavaScript API to manually report events and name virtual pages.
  • Browser RUM Analyze now displays request details in the Session Details dialog and has filters for viewing requests that have resource timing metrics or by the record types Page & Ajax Loads or Post-Load JavaScript Errors.

Resolved Issues


The JavaScript Agent component that monitors and reports Ajax events conflicts with zone.js


The Controller is not receiving metrics because of a time skew between the Controller and the EUM Service


Child Ajax events are not reported because of missing parent page events


When an EUM app's new metric limits are reached, no new metrics are created, and data for existing metrics are not recorded


The JavaScript Agent is freezing a single-page application when the application triggers a search event