You can right-click -> remove the Firefox View icon, and the new private browsing branding can be styled with: #private-browsing-indicator-with-label Leavin

You can right-click -> remove the Firefox View icon, and the new private browsing branding can be styled with: #private-browsing-indicator-with-label Leaving you pretty much in the same spot than version 105 (with a new icon if you are on MacOS)