

The bottom bar features buttons to search bookmarks, open tabs, and the browsing history next to using one of the supported search engines.It allows users to select the option to run the search directly from Firefox's address bar. Firefox displays search shortcuts when it detects that you have entered a supported search URL.The old behavior loaded the search engine's result site right away.

You get the old behavior by holding down the Shift-key before clicking.
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The mode offers two advantages: first, that it warns users if a site is still using HTTP, and second, that it attempts to upgrade connections automatically.

Switch from "Don't enable HTTPS Only Mode" to either "Enable HTTPS-Only Mode in all windows" or "Enable HTTPS-Only Mode in private windows only".Scroll down to the new HTTPS-Only Mode section on the page.Load about:preferences#privacy in the browser's address bar.Firefox users who would like to start using it, can do that in the following way: Mozilla added the HTTPS-Only Mode in Firefox 76 and planned to include the setting in Firefox 80 initially, but the rollout has been postponed. Firefox users may then continue to the HTTP site anyway or cancel the operation. The browser attempts to upgrade any non-HTTPS connection in the process, and displays a warning screen if the site cannot be loaded at all. Firefox 83.0 includes an option to accept only HTTPS connections when the new HTTPS-Only Mode is enabled.
