JavaScript Browser Agent Changelog
==================================


## [Version 2.6.4](https://cdn.trackjs.com/releases/2.6.4/tracker.js) (2017-03-03)

*Empty released testing changes to automated deployments*


## [Version 2.6.3](https://cdn.trackjs.com/releases/2.6.3/tracker.js) (2017-01-27)

Features:

  - None

Bugfixes:

  - Corrected issue with removing event listeners that may have been attached before the tracker has initialized.


## [Version 2.6.2](https://cdn.trackjs.com/releases/2.6.2/tracker.js) (2016-12-29)

Features:

  - Instances of `Error` will be correctly serialized out into JSON strings.
  - Instances of `HTMLElement` will be serialized out as HTML representations.
  - Objects with circular references will be serialized using a fallback first-level-only serializer.

Bugfixes:

  - Corrected serialization of instantiated strings to not be double-quoted.
  - Corrected serialization of undefined and NaN values within an array.


## [Version 2.6.1](https://cdn.trackjs.com/releases/2.6.1/tracker.js) (2016-12-17)

Features:

  - None

Bugfixes:

  - Changed the `addEventListener` wrapping behavior to use `EventTarget` if it exists. This resolves a conflict with ZoneJS and Angular2.


## [Version 2.6.0](https://cdn.trackjs.com/releases/2.6.0/tracker.js) (2016-11-25)

Features:

  - Added navigation telemetry for `history.pushState`, `history.replaceState`, and `popstate` events.

Bugfixes:

  - None


## [Version 2.5.3](https://cdn.trackjs.com/releases/2.5.3/tracker.js) (2016-11-08)

Features:

  - None

Bugfixes:

  - Fixed support for wrapping `EventHandler` objects passed into `addEventListener`.


## [Version 2.5.2](https://cdn.trackjs.com/releases/2.5.2/tracker.js) (2016-10-22)

Features:

  - New Canary Build deployment pipeline

Bugfixes:

  - None

## [Version 2.5.1](https://cdn.trackjs.com/releases/2.5.1/tracker.js) (2016-08-22)

Features:

  - None

Bugfixes:

  - Fixed passthrough arguments of `window.onerror`

## [Version 2.5.0](https://cdn.trackjs.com/releases/2.5.0/tracker.js) (2016-08-03)

Features:

  - Added option to track an error for `console.warn`
  - Added tracking for global unhandled promise rejections from Chrome and Bluebird.js

Bugfixes:

  - Fixed TypeScript definitions to support proper module exports
  - Fixed passthrough override of `window.onerror`
  - Fixed network wrapping to support URL objects

## [Version 2.4.0](https://cdn.trackjs.com/releases/2.4.0/tracker.js) (2016-07-03)

Features:

  - Added Typescript definition file to NPM and Bower packages

Bugfixes:

  - None

## [Version 2.3.1](https://cdn.trackjs.com/releases/2.3.1/tracker.js) (2016-03-28)

Features:

  - None

Bugfixes:

  - Corrected behavior of tracking `null` or `undefined` to be properly represented.
  - Removed array notation from singular argument passed into console.

## [Version 2.3.0](https://cdn.trackjs.com/releases/2.3.0/tracker.js) (2016-03-26)

Features:

  - Changed default behavior to not drop a cookie containing the correlationId. Tracker will no longer maintain a cross-page identification of the user.
  - Updated default object serialization to attempt simple stringify on complex objects.

Bugfixes:

  - None

## [Version 2.2.0](https://cdn.trackjs.com/releases/2.2.0/tracker.js) (2016-01-06)

Features:

  - Introduced `trackJs.addMetadata` and `trackJs.removeMetadata` API

Bugfixes:

  - None

## [Version 2.1.16](https://cdn.trackjs.com/releases/2.1.16/tracker.js) (2015-11-18)

Features:

  - Added capture logic for specific Android [object Event] error

Bugfixes:

  - None

## [Version 2.1.15](https://cdn.trackjs.com/releases/2.1.15/tracker.js) (2015-10-13)

Features:

  - Added optional flag to suspend use of cookies. This was requested for better support of the new privacy-focused Safari.

Bugfixes:

  - None


## [Version 2.1.14](https://cdn.trackjs.com/releases/2.1.14/tracker.js) (2015-08-16)

Features:

  - None

Bugfixes:

  - Suppressed a duplicate "Script error" that could be tracked when hosted from the CDN and captured from a watched function. This also removes the need to use the "crossorigin" attribute in our script, which has also been removed from our suggested install.

## [Version 2.1.13](https://cdn.trackjs.com/releases/2.1.13/tracker.js) (2015-07-28)

Features:

  - None

Bugfixes:

  - Fixed bug in custom `serialize` configuration where objects passed to `trackJs.track` may be double-serialized.

## [Version 2.1.12](https://cdn.trackjs.com/releases/2.1.12/tracker.js) (2015-06-05)

Features:

  - None

Bugfixes:

  - Prevented a non-blocking security error from being displayed in the Safari web console when enumerating library versions from within an iframe.

## [Version 2.1.11](https://cdn.trackjs.com/releases/2.1.11/tracker.js) (2015-03-27)

Features:

  - None

Bugfixes:

  - Changed behavior of disabled tracker to not polyfill and wrap console.log
  - Fixed bug where objects sent into console.error were not properly serialized when tracked

## [Version 2.1.10](https://cdn.trackjs.com/releases/2.1.10/tracker.js) (2015-03-23)

Features:

  - None

Bugfixes:

  - Fixed bug where a server outage on usage.trackjs.com could impact the load time of customer applications.

## [Version 2.1.9](https://cdn.trackjs.com/releases/2.1.9/tracker.js) (2015-02-16)
***Released February 16, 2015***

Features:

  - None

Bugfixes:

  - Added exclusion for `https://localhost:0/chromecheckurl` from network telemetry. This url is used by Chrome on IOS 7+ to communicate with the native webdriver. It is not relevant to customer code.

## [Version 2.1.8](https://cdn.trackjs.com/releases/2.1.8/tracker.js) (2015-01-15)

Features:

  - Reformatted an AJAX Error to include the METHOD and URL that originated the error, in the format `404 Not Found: POST /some/api`.

Bugfixes:

  - None

## [Version 2.1.7](https://cdn.trackjs.com/releases/2.1.7/tracker.js) (2014-12-18)

Features:

  - None

Bugfixes:

  - stopped usage beacon from sending when tracker is disabled
  - prevented chrome warning when detecting webkitIndexDB

## [Version 2.1.6](https://cdn.trackjs.com/releases/2.1.6/tracker.js) (2014-10-31)

Features:

  - None

Bugfixes:

  - `trackJs.watchAll` returns the object for chaining initializations.

## [Version 2.1.5](https://cdn.trackjs.com/releases/2.1.5/tracker.js) (2014-10-26)

Features:

  - None

Bugfixes:

  - Fixed bug where `application` could be partially changed after initialization, causing errors and hits to be out of sync.

## [Version 2.1.4](https://cdn.trackjs.com/releases/2.1.4/tracker.js) (2014-10-16)

Features:

  - Added GitHub, NPM, and Bower Packages

Bugfixes:

  - None

## [Version 2.1.2](https://cdn.trackjs.com/releases/2.1.2/tracker.js) (2014-10-15)

Features:

  - None

Bugfixes:

  - Fixed bug with handling of SyntaxError in Chrome where file, column, and line are not populated.

## [Version 2.1.1](https://cdn.trackjs.com/releases/2.1.1/tracker.js) (2014-08-27)

Features:

  - Added stacktrace to errors generated from `console.error`
  - Added safer handling of falsy values in the default serializer
  - Change the logging behavior to include last 30 events rather than the last 10 of each type.
  - Added extra param to [onError callback](./Configuration) with the originating
  `Error` object.

Bugfixes:

  - None

## [Version 2.1.0](https://cdn.trackjs.com/releases/2.1.0/tracker.js) (2014-08-23)

Features:

  - Added support for multiple applications under a single account.

Bugfixes:

  - None

## [Version 2.0.3](https://cdn.trackjs.com/releases/2.0.3/tracker.js) (2014-07-15)

Features:

  - None

Bugfixes:

  - Fixed bug in `watchAll` where function context was being lost, affecting Backbone.js wrapping.
  - Prevented errors that have already been tracked from being captured again from `watchAll`
  - Added Corresponding wrapping of `removeEventListener` elements and XHR that impacted Meteor apps.

## [Version 2.0.2](https://cdn.trackjs.com/releases/2.0.2/tracker.js) (2014-07-09)

Features:

  - None

Bugfixes:

  - Fixed bug where Internet Explorer 8 improperly serialized some messages, preventing them from display in the UI
  - Added checks for `_trackJS` and `_trackjs` (in addition to `_trackJs`) for preconfig.
  - Added safety check to error wrapping in case a string is thrown.

## [Version 2.0.1](https://cdn.trackjs.com/releases/2.0.1/tracker.js) (2014-07-08)

Features:

  - None

Bugfixes:

  - Fixed bug where `window.onerror` would generate an error if called with invalid arguments.
  - Fixed bug where `window.onerror` messages would not include all possible information.

## [Version 2.0.0](https://cdn.trackjs.com/releases/2.0.0/tracker.js) (2014-07-01)

Features:

  - (Breaking) Restructuring of the configuration structure. See docs for updates.
  - (Breaking) Renamed `customer` to `token`
  - (Breaking) Removal of the global `track` alias
  - (Breaking) Removal of `ignore` RegEx option
  - Added `onError` callback for finer control of ignoring and manipulating errors
  - Added `serialize` callback to control how objects are serialized into the log
  - Added error catching for `setTimeout`, `setInterval`, `element.addEventListener`, and `xhr.addEventListener`
  - Added option to capture a bind-time stacktrace
  - Added finer control of which console functions should be wrapped

Bugfixes:

  - Fixed bug where caught errors were tracked a second time by window.onerror
  - Fixed bug when cookies are disabled in Android

## [Version 1.2.7](https://cdn.trackjs.com/releases/1.2.7/tracker.js) (2014-06-10)

Features:

  - None

Bugfixes:

  - Fixed tracking input events on multiselect.

## [Version 1.2.6](https://cdn.trackjs.com/releases/1.2.6/tracker.js) (2014-05-29)

Features:

  - None

Bugfixes:

  - Fixed bug in ignore api that prevented multiple matching

## [Version 1.2.5](https://cdn.trackjs.com/releases/1.2.5/tracker.js) (2014-04-04)

Features:

  - Added stacktrace that may be available to global window.onerror

Bugfixes:

  - None  

## [Version 1.2.4](https://cdn.trackjs.com/releases/1.2.4/tracker.js) (2014-04-03)

Features:

  - None

Bugfixes:

  - Fixed IE10/11 XDomainRequest inspection.

## [Version 1.2.3](https://cdn.trackjs.com/releases/1.2.3/tracker.js) (2014-03-27)

Features:

  - None

Bugfixes:

  - Fixed inspection errors in Firefox 6.0 and below

## [Version 1.2.2](https://cdn.trackjs.com/releases/1.2.2/tracker.js) (2014-02-23)

Features:

  - Exceptions wrapped by watchAll are rethrown after transmission.

Bugfixes:

  - Fixed webkit warning message on transmission.

## [Version 1.2.1](https://cdn.trackjs.com/releases/1.2.1/tracker.js) (2014-01-23)

Features:

  - None

Bugfixes:

  - Fixed IE8 bug with observing network requests--IE8 won't support this, and the feature has been disabled for this browser.

## [Version 1.2.0](https://cdn.trackjs.com/releases/1.2.0/tracker.js) (2013-12-30)

Features:

  - Added `trackJs.track()` now supports objects, strings, or error objects
  - Added `trackJs.watchAll()` supports watching objects of functions
  - Added `trackJs.watch()` returns a watched version of a single function
  - Added `trackJs.attempt()` executes a single function and catches errors from it
  - Deprecated `trackAll()`

Bugfixes:

  - None

## [Version 1.1.0](https://cdn.trackjs.com/releases/1.1.0/tracker.js) (2013-11-14)

Features:

  - Added ability to ignore functions on an object for trackAll()
  - Added ignore by message configuration
  - Added configuration option to disable inspectors
  - Added direct logging capability from trackJs.log, trackJs.warn, etc. for use if console inspector is disabled.
  - Added Support pre-load configuration

Bugfixes:

  - None

## [Version 1.0.1](https://cdn.trackjs.com/releases/1.0.1/tracker.js) (2013-10-18)

Features:

  - Initial beta release

Bugfixes:

- None