Firefox 77 is out, here’s what’s new

A new version of the popular web browser, Firefox, is now available for download. Firefox 77 has reached the stable branch with the following changes.

Firefox 77

New certificate manager

There is a new certificate manager tool in Firefox 77, which can be opened by typing about:certificate in the address bar. It includes two tabs, Servers and Authorities, and allows allows viewing and exporting certificates.

Firefox 77 About:certificate

The new tool is not yet available from Privacy & Security > Security > Certificates > View Certificates in settings.


WebRender is now enabled for more Windows users. It is now enabled on devices with NVidia GPUs with with medium (<=3440x1440) and large (>3440x1440) screens.

Pocket recommendations

The pocket service recommendations are now available in the UK. The list of supported countries now includes the US, Germany, Canada, and the UK.

One-Click search engines

Firefox Https And WWW Disabled In Address Bar

The option to disable one-click search buttons in the address bar drop-down is now removed. The preference browser.urlbar.oneOffSearches is no longer available in the about:config tool. You can disable or enable individual search engines  under Search > One-Click Search Engines in settings of the browser.

Firefox 77 One Click Searches

Windows Credential Manager is now disabled

Windows Firefox Passwords

Mozilla has turned off integration with Windows 10 Credential Manager which was used for extra protection of saved password due to negative feedback from users who find it confusing. The company is above to rework this feature in upcoming Firefox versions.

Download Firefox

To get the browser, visit the following link:

Download Firefox

You will see a number of folders. Click on one of the following folders:

  • win32 - Firefox 32-bit for Windows
  • win64 - Firefox 64-bit for Windows
  • linux-i686 - Firefox for 32-bit Linux
  • linux-x86_64 - Firefox for 64-bit Linux
  • mac - Firefox for macOS

Each folder has subfolders organized by the browser's language. Click on the desired language and download the installer.

2 thoughts on “Firefox 77 is out, here’s what’s new

  1. Kevin

    Seems the tweak posted here no longer work. any ideas?

    1. Sergey Tkachenko Post author

      Set browser.urlbar.disableExtendForTests to true. I will write an update today.


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