Disable Address Bar Expansion in Mozilla Firefox 75

address-barfirefox

With the latest update to Firefox, there is a feature that I would like to disable. When you open a window/tab or place the cursor in into the address bar, it becomes a bit bigger. How can I disable / reset this behavior?

address bar before update

Firefox before update

address bar after update

Firefox after update

Best Answer

Type in about:config in the address bar. This opens the Configuration Editor that lists Firefox settings known as preferences.

Set browser.urlbar.update1 to false, and restart the browser.

(Source: https://support.mozilla.org/en-US/questions/1274579)

Note, this solutions does not work as of Firefox 77

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