There are some new features too. The most interesting one is the addition of an HTTPS-only mode. When this feature is activated, Firefox will automatically redirect to HTTPS when you visit a website. When no secure connection is available, the browser will offer a warning with an option to continue. In the HTTPS mode, site assets that are loaded over HTTP like images will be blocked.
Support for pinch-to-zoom has been added for Windows touchscreens and touchpads, as well as macOS touchpads. Speaking about Mac, Mozilla is currently testing a nightly build with native support for Apple's M1 SoC.