官方版本91.0預計在 2021年08月10日(美國時間) 台灣時間08月10日~08月11日 更新
更新日誌
https://www.mozilla.org/en-US/firefox/90.0/releasenotes/
New︰
On Windows, updates can now be applied in the background while Firefox is
not running.
https://support.mozilla.org/kb/enable-background-updates-firefox-windows
Firefox for Windows now offers a new page about:third-party to help
identify compatibility issues caused by third-party applications
Exceptions to HTTPS-Only mode can be managed in about:preferences#privacy
https://support.mozilla.org/kb/https-only-prefs
Print to PDF now produces working hyperlinks
Version 2 of Firefox’s SmartBlock feature further improves private
browsing. Third-party Facebook scripts are blocked to prevent you from being
tracked, but are now automatically loaded “just in time” if you decide to “
Log in with Facebook” on any website.
https://blog.mozilla.org/security/2021/07/13/smartblock-v2/
Fixed︰
Various security fixes
https://www.mozilla.org/security/known-vulnerabilities/firefox/#firefox90
Changed︰
The "Open Image in New Tab" context menu item now opens images and media
in a background tab by default. Learn more
https://support.mozilla.org/kb/tab-preferences-and-settings
Most users without hardware accelerated WebRender will now be using
software WebRender.
Improved software WebRender performance
FTP support has been removed
Enterprise︰
Various bug fixes and new policies have been implemented in the latest
version of Firefox. See more details in the Firefox for Enterprise 90 Release
Notes.
https://support.mozilla.org/kb/firefox-enterprise-90-release-notes
Developer︰
Support for Private Fields (TC39 proposal, stage 3) is available in
DevTools. The support includes: object inspection, autocompletion, expression
evaluation, variable tooltips, and pretty printing (bug)
https://github.com/tc39/proposal-class-fields#private-fields
https://bugzilla.mozilla.org/show_bug.cgi?id=1650188
The Network panel shows a preview of HTTP requests for fonts in the
Response tab (bug)
https://i.imgur.com/KQ7bOxe.png
https://bugzilla.mozilla.org/show_bug.cgi?id=872078
Web Platform︰
Support for Fetch Metadata Request Headers, which allows web applications
to better protect themselves and their users against various cross-origin
threats.
https://blog.mozilla.org/security/?p=2765
Added the ability to use client authentication certificates stored in
hardware tokens or in Operating System storage.