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You can download Firefox 87 from its official web site. For a small percent of users the Fission/Site isolation is enabled by default.It doesn't include the keyboard shortcut cheat sheet, Firefox Tour, and Import from another browser.
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The Help menu lost some of items, such as those that point to Firefox support pages that can also be accessed via the Get Help item.Synced tabs, Recent highlights, and Pocket list are removed from the Library menu.The Backspace key as a navigation shortcut for the back navigation button is now disabled, but you can easily re-enable it.The “Highlight All” feature on Find in Page now displays tick marks alongside your scrollbar that correspond to the location of matches found on that page.Support for macOS built-in screen reader, VoiceOver.The default HTTP Referrer policy will cut the path and query arguments from referrer string, so that only the domain name will remain for cross-origin requests.
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