Firefox 67 for developers

Este artículo provee información sobre los cambios en Firefox 67 que afectarán a los desarrolladores. Firefox 67 fue lanzado el 21 de Mayo de 2019.

Cambios para desarrolladores web

Herramientas de desarrollo

  • Actualizaciones del depurador:
  • Web Console updates:
    • Navigate details in the console using the keyboard (error 1424159).
    • Cmd + K will now clear the console of its contents on macOS (error 1532939).
    • When the user clears the console, the error messages cache is cleared as well (error 717611).
    • The user can import existing modules into the current page using import (error 1517546).
    • A new context menu item allows the user to use the Copy Link Location command (error 1457111).
    • Clicking a link in the Console causes the same behavior that it would in a content window (error 1466040).
    • Clicking the source link for a code file in the Console panel navigates to the Debugger if debugger knows the file (error 1447244).
    • When the user has filtered the contents of the console, an icon will be added to the filter text box to clear the filter (error 1525821).
  • Network Monitor enhancements:
    • The Header panel of the Network monitor will now display a notification for resources belonging to a known tracker (error 1485416).
    • In the Network monitor request columns, you can control the visible columns and column sorting. The context menu now includes a command to restore the list sort parameters to the default (error 1454962).






No changes.




DOM events

Workers/Service workers

Media, Web Audio, and WebRTC

Canvas and WebGL


  • The deprecated ShadowRoot.getElementsByTagNameShadowRoot.getElementsByTagNameNS, and ShadowRoot.getElementsByClassName properties (part of Shadow DOM v0) have been removed (error 1535438).
  • Document.createEvent("TouchEvent"), Document.createTouch(), Document.createTouchList(), and the ontouch* event handler properties have been disabled on desktop to improve web compatibility on websites where touch support is used for mobile detection (error 1412485). In such cases, websites have been seen to behave incorrectly or unexpectedly on touchscreen laptops.


WebDriver conformance (Marionette)

API changes

Corrección de errores

  • WebDriver:NewWindow will no longer timeout because of focus-related inconsistencies across platforms (error 1523234).


  • Both WebDriver:ExecuteScript and WebDriver:ExecuteAsyncScript now use Promises internally (error 1398095).
  • WebDriver:NewSession returns Firefox's BuildID string as part of the capabilities object (error 1525829).

Changes for add-on developers

Cambios en API

  • Using the proxy.settings.set() method to change BrowserSetting values will throw an exception unless the extension was granted private window access by the user (error 1525447).

Cambios en manifiesto

  • A new manifest key, incognito, defines the behavior of an extension in private browsing windows or tabs (error 1511636).
  • The toolbar_field_highlight setting controls the background color used to indicate the current selection of text in the URL bar (error 1450114).
  • The toolbar_field_highlight_text setting controls the text color used to indicate the current selection of text in the URL bar (error 1450114).

Ver también

Versiones anteriores