Works with Firefox 42 and later. Hope you can help, Rotem. The height of the title bar plus the address bar will be roughly equal to half of the total height of the tab bar, address bar and bookmark bar in the default look. Thanks for your feedback, it helps us improve the site. An attacker who could perform a man-in-the-middle attack on the user's connection to the update server and defeat the certificate pinning protection could provide a malicious signed add-on instead of a valid update.
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