Firefox Nightly
Release Notes

Release Notes tell you what’s new in Firefox. As always, we welcome your feedback. You can also file a bug in Bugzilla or see the system requirements of this release.

Firefox Nightly — English (US)

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67.0a1
Firefox Nightly

January 28, 2019

Version 67.0a1, first offered to Nightly channel users on January 28, 2019

Firefox Nightly gets updated every day and as a consequence, the release notes for the Nightly channel are updated continuously to reflect features that have reached sufficient maturity to benefit from community feedback and bug reports.

Warning: Features listed here may or may not make a final release of Firefox.

In addition to these release notes, you can follow ongoing development on our @FirefoxNightly Twitter account as well as read our Nightly Blog.

New

  • Firefox 67 willl be able to run different Firefox installs side by side by default.

    Bug 1474285
  • Tabs can now be pinned from the Page Actions menu in the address bar

    Bug 1528952
  • Users can block known cryptominers and fingerprinters in the Custom settings or their Content Blocking preferences

    Bug 1527917
  • The Import Data from Another Browser feature is now also available from the File menu

    Bug 1522856
  • Added a new about:compat page which allows the user to see, and temporarily disable, active site interventions in both Firefox for Desktop and Firefox for Android

    Bug 1488845
  • Firefox will now protect you against running older versions of Firefox which can lead to data corruption and stability issues.

    Bug 1455707

Changed

  • Firefox no longer supports handling webcal: links with 30boxes.com

    Bug 1252831
  • Change to extensions in Private Windows: Any new extensions you add to the browser won’t work in Private Windows unless you allow this in the settings.

    Bug 1511636

Developer

  • The DevTools Changes panel now supports copying modified CSS. You can either copy the full changes or individual changed rules.

    Bug 1515875

Get the most recent version

Firefox Nightly — English (US)

Your system may not meet the requirements for Firefox, but you can try one of these versions:

Firefox Nightly — English (US)

Your system doesn't meet the requirements to run Firefox.

Your system doesn't meet the requirements to run Firefox.

Please follow these instructions to install Firefox.

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