Mozilla Firefox 67.0 Beta 14 64-bit for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 14 of Mozilla Firefox 64-bit for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Mozilla Firefox 67.0 Beta 14 64-bit for PC Windows
Firefox 67.0 Beta 14 for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 14 of Mozilla Firefox for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Firefox 67.0 Beta 14 for PC Windows
Firefox 67.0 Beta 13 for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 13 of Mozilla Firefox for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Firefox 67.0 Beta 13 for PC Windows
Firefox 67.0 Beta 11 for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 11 of Mozilla Firefox for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Firefox 67.0 Beta 11 for PC Windows
Mozilla Firefox 67.0 Beta 10 64-bit for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 10 of Mozilla Firefox 64-bit for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Mozilla Firefox 67.0 Beta 10 64-bit for PC Windows
Firefox 67.0 Beta 10 for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 10 of Mozilla Firefox for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Firefox 67.0 Beta 10 for PC Windows
Mozilla Firefox 66.0.3 64-bit for PC Windows
更新細節：
We don''t have any change log information yet for version 66.0.3 of Mozilla Firefox 64-bit for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Mozilla Firefox 66.0.3 64-bit for PC Windows
Firefox 66.0.3 for PC Windows
更新細節：
We don''t have any change log information yet for version 66.0.3 of Mozilla Firefox for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Firefox 66.0.3 for PC Windows
Mozilla Firefox 67.0 Beta 7 64-bit for PC Windows
更新細節：
We don''t have any change log information yet for version 67.0 Beta 7 of Mozilla Firefox 64-bit for PC Windows. Sometimes publishers take a little while to make this information available, so please check back in a few days to see if it has been updated.
Can you help?
If you have any change log info you can share with us, we''d love to hear from you! Head over to our Contact page and let us know.
版本下載：Mozilla Firefox 67.0 Beta 7 64-bit for PC Windows
Mozilla Firefox 66.0 Beta 5 64-bit for PC Windows
更新細節：
new
Increased content processes to 8
Added capability to search through open tabs from the tab overflow menu
New backend for the storage.local WebExtensions API, providing I/O performance improvements when the extension updates a small subset of the stored data
WebExtension keyboard shortcuts can now be managed or overridden from about:addons
Improved scrolling behavior: Firefox will now attempt to keep content from jumping around while a page is loading by supporting scroll anchoring
New about:privatebrowsing with search
Basic macOS touchbar support
A certificate error page now notifies the user of the name of the certificate issuer that breaks HTTPs connections on intercepted connections to help troubleshooting possible anti-virus software issues.
changed
Firefox now blocks all autoplay media with sound by default. Users can add individual sites to an exceptions list or turn the blocking off.
System title bar is hidden by default to match Gnome guideline
版本下載：Mozilla Firefox 66.0 Beta 5 64-bit for PC Windows
Mozilla Firefox 65.0 64-bit for PC Windows
更新細節：
New
Enhanced tracking protection: Simplified content blocking settings give users standard, strict, and custom options to control online trackers. A redesigned content blocking section in the site information panel (viewed by expanding the small “i” icon in the address bar) shows what Firefox detects and blocks on each website you visit. To learn more about content blocking, visit the Mozilla Blog.
A better experience for multilingual users: An updated Language section in Preferences allows users to install multiple language packs and order language preferences for Firefox and websites, without having to download locale-specific versions.
Support for Handoff on macOS: Continue browsing across devices. Pick up where you left off with iOS (via Firefox or Safari) on Firefox on Mac.
A better video streaming experience for Windows users: Firefox now supports the next-generation, royalty-free video compression technology called AV1. Read about Mozilla’s contribution to this new open standard.
Improved performance and web compatibility, with support for the WebP image format: WebP brings the same image quality as existing formats at smaller file sizes, which saves bandwidth and speeds up page load.
Fixed
Various security fixes.
Changed
Enhanced security for macOS, Linux, and Android users via stronger stack smashing protection which is now enabled by default for all platforms. "Stack smashing" is a common security attack in which malicious actors corrupt or take control of a vulnerable program.
Firefox will now warn you when closing a window (regardless of whether you have automatic session restore enabled for restart).
Easier performance management: The revamped Task Manager page found at about:performance now reports memory usage for tabs and add-ons.
Improved the pop-up blocker to prevent multiple pop-up windows from being opened by websites at the same time.
Enterprise
Firefox for Windows is now available with 32- and 64-bit MSI installers for easier enterprise deployments.
Developer
Additional support for Flexbox: Launched a new Flexbox inspector tool that details Flexbox containers and helps debug Flex item sizes.
All CSS changes made in the Rules panel are now tracked in the new Changes tab.
Added support for the Storage Access API on desktop platforms.
版本下載：Mozilla Firefox 65.0 64-bit for PC Windows
Mozilla Firefox 64.0.2 64-bit for PC Windows
更新細節：
Fixed:
Fixed a browser crash on MacOS.
Updated the Japanese translation for missing strings.
Properly restore column sizes in developer tools inspector.
Fixed video stuttering on Youtube.
Fix updates for some lightweight themes.
版本下載：Mozilla Firefox 64.0.2 64-bit for PC Windows
Firefox 64.0 64-bit for PC Windows
更新細節：
New
Better recommendations: You may see suggestions in regular browsing mode for new and relevant Firefox features, services, and extensions based on how you use the web (for US users only).
Enhanced tab management: You can now select multiple tabs from the tab bar and close, move, bookmark, or pin them quickly and easily.
Easier performance management: The new Task Manager page found at about:performance lets you see how much energy each open tab consumes and provides access to close tabs to conserve power.
Improved performance for Mac and Linux users, by enabling link time optimization (Clang LTO). (Clang LTO was enabled for Windows users in Firefox 63.).
More seamless sharing on Windows: Windows users can now share web pages using the native sharing experience. You can access Share in the Page Actions menu.
Added option to remove add-ons using the context menu on their toolbar buttons.
New for enterprise users: Updated the policy engine on macOS to allow using configuration profiles to customize Firefox for enterprise deployments.
Fixed
Various security fixes
Changed
RSS feed preview and live bookmarks are available only via add-ons.
TLS certificates issued by Symantec are no longer trusted by Firefox. Website operators are strongly encouraged to replace any remaining Symantec TLS certificates as soon as possible.
about:crashes has been redesigned to make it clear when a crash is being submitted to Mozilla, as well as being clear that removing crashes locally does not remove them from crash-stats.mozilla.com
The macOS keyboard shortcut to add "www" and ".com" to a URL is now ctrl-enter instead of ⌘[cmd]-enter.
Developer
You may now overlay multiple CSS grids at the same time (up to 3) in the CSS Grid Inspector.
The Web Console's command line now highlights JavaScript syntax.
When hovering over elements in the Accessibility panel, the contrast ratio of text against background is now indicated.
Added support for the new CSS scrollbar specification.
WebVR is now available on macOS.
版本下載：Firefox 64.0 64-bit for PC Windows
Firefox 63.0.3 64-bit for PC Windows
更新細節：
Games using WebGL (created in Unity) get stuck after a very short time of gameplay (bug 1502748)
Slow page loading for some users with specific proxy configurations (bug 1495024)
Disable HTTP response throttling by default for causing bugs with videos in background tabs (bug 1503354)
Opening magnet links no longer works (bug 1498934)
Crash fixes (bug 1498510, bug 1503424)
版本下載：Firefox 63.0.3 64-bit for PC Windows