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  • Изменения в Mozilla Firefox

Mozilla Firefox 62.0.3

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Version 62.0.3, first offered to Release channel users on October 2, 2018



  • Fixed hangs on macOS Mojave (10.14) when various dialog windows (upload, download, print, etc) are activated (bug 1489785)

  • Fixed playback of some encrypted video streams on macOS (bug 1491940)

  • Various security fixes



Mozilla Firefox 64.0a1

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Version 64.0a1, first offered to Nightly channel users on September 4, 2018


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

Mozilla Firefox 63.0 Beta

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Firefox Beta

September 5, 2018

Version 63.0beta, first offered to Beta channel users on September 5, 2018



  • On macOS, WebGL power preferences allow non-performance-critical applications and applets to request the low-power GPU instead of the high-power GPU in multi-GPU systems

  • Improved Windows 10 integration: your Firefox theme now matches your OS Dark / Light mode

  • WebExtensions now run in their own process on Linux

  • Faster tab switching in the majority of cases for our macOS users

  • Improved the reactivity of Firefox on macOS


  • In the Library, the Open in Sidebar feature for individual bookmarks was removed

  • Never check for updates option removed from about:preferences. If a substitute is needed, we recommend using the DisableAppUpdate enterprise policy

  • Firefox now warns about having multiple windows/tabs open when quitting from the main menu.

  • The Ctrl+Tab shortcut now displays thumbnail previews of your tabs and cycles through tabs in recently used order. This new default behavior is activated only in new profiles and can be changed in your preferences

  • The build infrastructure of Firefox on Windows moved to the Clang tool chain, bringing important performance gains

Mozilla Firefox 62.0 Beta 20

Исправлены ошибки

Version 62.0beta, first offered to Beta channel users on June 26, 2018



  • Display preview image and favicon in the New Bookmark dialog

  • Added a Clear Site Data and Cookies button to the identity popup located next to the address bar so as to provide a quick and easy process to delete local data for the visited website

  • Three-pane Inspector in Developer Tools separates the rules into its own panel

  • New tab page sections such as top sites, highlights, and Pocket can be adjusted to include 1 to 4 rows in the Preferences

  • Added Canadian English (en-CA) locale

  • Users who disconnect Firefox for desktop from Sync are now offered the option to wipe their personal data from that device (such as bookmarks, passwords, history, cookies, and site data)

  • Added a button to the hamburger menu to toggle Tracking Protection on and off


  • The description field for bookmarks has been removed. Users who manually changed the field can export old descriptions via html or json. Stored descriptions will be removed in a future release.

  • The release version of Firefox 62 will be sandboxing AutoConfig to the documented API. You can test this in Firefox Beta by setting the preference general.config.sandbox_enabled to true. If you need to continue use more complex AutoConfig scripts, you will need to use Firefox Extended Support Release (ESR).


  • Changes affecting developers

Developer Information

web platform

  • JavaScript library for interactive editing of CSS Shapes values in the browser, with functional values like polygon(), circle() and ellipse()

  • CSS Variable Fonts (OpenType Font Variations) enable a single font file to behave like multiple fonts

Mozilla Firefox 61.0.2

Исправлены ошибки

Firefox Release
August 8, 2018

Version 61.0.2, first offered to Release channel users on August 8, 2018
Adds support for automatically restoring your Firefox session after Windows restarts. Currently, this feature is not enabled by default for most users, but will be gradually enabled over the coming weeks.

Improved website rendering with the Retained Display List feature enabled (Bug 1474402)

Fixed broken DevTools panels with certain extensions installed (Bug 1474379)

Fixed a crash for users with some accessibility tools enabled (Bug 1474007)

Mozilla Firefox 61.0.1

Исправлены ошибки

Firefox Release
July 5, 2018

Version 61.0.1, first offered to Release channel users on July 5, 2018
Fixed broken website loading for Chinese users with accessibility enabled (Bug 1471824)

Fix missing content on the New Tab Page and the Home section of the Preferences page (Bug 1471375)

Fixed loss of bookmarks under rare circumstances when upgrading from Firefox 60 (Bug 1472127)

Improved playback of Twitch 1080p video streams (Bug 1469257)

Web pages no longer lose focus when a browser popup window is opened (Bug 1471415)

Fixed launching of downloads without a file extension on Windows (Bug 1465458)

Re-allowed downloading files from FTP sites via the "Save Link As" option when linked from HTTP pages (Bug 1470295)

Fixed extensions being unable to override the default homepage in certain situations (Bug 1466846)

Mozilla Firefox 61.0

Исправлены ошибки

Firefox Release
June 26, 2018

Version 61.0, first offered to Release channel users on June 26, 2018
Firefox Quantum keeps on keeping on. Look to this release for even more performance improvements, features that let you do more without leaving the webpage you’re on, and a safer online experience.

Thank you to all of the new Mozillians who contributed to this release of Firefox!

Enhanced performance:

Faster page rendering with Quantum CSS improvements and the new retained display list feature
Faster switching between tabs on Windows and Linux
WebExtensions now run in their own process on MacOS
Convenient access to more search engines: You can now add search engines to the address bar “Search with” tool from the page action menu when on a webpage that provides an OpenSearch plugin

Share links from Firefox for MacOS more easily: You can now share the URL of an active tab from the page actions menu in the address bar

Improved security:

On-by-default support for the latest draft of the TLS 1.3 specification
Access to FTP subresources inside http(s) pages has been blocked
A more consistent user experience: Improvements for dark theme support across the entire Firefox user interface

More customization for tab management: added support to allow WebExtensions to hide tabs

Improved bookmark syncing

Various security fixes

The settings for customizing your homepage and new tab page in Firefox have been added to a new Preferences section that can be accessed from Firefox at about:preferences#home. The settings can also be accessed via the gear icon on the New Tab page.

Users with Avast or AVG security software using the HTTPS Scanning feature may get an error message (SSL_ERROR_RX_RECORD_TOO_LONG) when trying to access secure sites. Workarounds are available from this support article until fixed versions of Avast and AVG are available

Mozilla Firefox 60.0.2

Исправлены ошибки

Version 60.0.2, first offered to Release channel users on June 6, 2018
Fix missing nodes in the developer tools Inspector panel (bug 1460223)

Various security fixes

Fix font rendering when using third-party font managers on OS X 10.11 and earlier (bug 1460917)

Updated to NSS 3.36.4 from 3.36.1:

Connecting to a server that was recently upgraded to TLS 1.3 would result in a SSL_RX_MALFORMED_SERVER_HELLO error (bug 1462303)
Fix crash on macOS related to authentication tokens, e.g. PK11 or WebAuthn (bug 1461731)
See release notes for NSS 3.36.2 and 3.36.4

Mozilla Firefox 60.0.1

Исправлены ошибки

Version 60.0.1, first offered to Release channel users on May 16, 2018
Avoid overly long cycle collector pauses with some add-ons installed (Bug 1449033)

After unckecking the "Sponsored Stories" option, the New Tab page now immediately stops displaying "Sponsored content" cards (Bug 1458906)

On touchscreen devices, fixed momentum scrolling on non-zoomable pages (Bug 1457743)

Fixed black map on Google Maps with updated Nvidia Web Drivers on macOS (Bug 1458553)

Use the right default background when opening tabs or windows in high contrast mode (Bug 1458956)

The Firefox uninstaller on Windows is now translated again (Bug 1436662)

Restored translations of the Preferences panels when using a language pack (Bug 1461590)

WebVR has been disabled by default on macOS (Bug 1459362)

Mozilla Firefox 60.0

Исправлены ошибки

Firefox Release
May 9, 2018

Version 60.0, first offered to Release channel users on May 9, 2018
Firefox 60 offers something for everyone and a little something extra for everyone who deploys Firefox in an enterprise environment. This release includes changes that give you more content and more ways to customize your New Tab/Firefox Home. It also introduces support for the Web Authentication API, which means you can log in to websites in Firefox with USB tokens like YubiKey. 
Firefox 60 also brings a new policy engine and Group Policy support for enterprise deployments. For more info about why and how to use Firefox in the enterprise, see this blog post.

Thank you to all of the new Mozillians who contributed to this release of Firefox!

Added a policy engine that allows customized Firefox deployments in enterprise environments, using Windows Group Policy or a cross-platform JSON file

Enhancements to New Tab / Firefox Home

Responsive layout that shows more content for users with wide-screen displays
Highlights section includes web sites saved to Pocket
More options to reorder sections and content on the page
Pocket Sponsored Stories will appear for a percentage of users in the US. Read about our privacy-conscious approach to sponsored content
Redesigned Cookies and Site Storage section in Preferences for greater clarity and control of first- and third-party cookies

Applied Quantum CSS to render browser UI

Added support for Web Authentication API, which allows USB tokens for website authentication

Enhanced camera privacy indicators: Firefox now turns off your camera and the camera's light when you disable video recording, and turns the camera and light on when you resume recording

Added an option for Linux users to show or hide page titles in a bar at the top of the browser. You’ll find the Title Bar option in the Customize panel available from the main browser menu.

Improved WebRTC audio performance and playback for Linux users

On-by-default support for draft-23 of the TLS 1.3 specification

Locale added: Occitan (oc)

Various security fixes

Changed the Windows shortcut for entering Reader View to F9, for better compatibility with keyboard layouts that use AltGr

Bookmarks no longer support multiple keywords for the same URL unless the request has different POST data

TLS certificates issued by Symantec before June 1st, 2016 are no longer trusted by Firefox

Updated the Skia graphics library to milestone 66

Changes affecting developers

Developer Information
After disabling Sponsored Stories from the New Tab page settings, the next opened tab may still show a sponsored tile (bug 1458906)

WebVR does not work on macOS with Vive headsets (bug 1454204)