Firefox 69 was released on September 3, 2019 for desktop only. Among the additions were: Enhanced Tracking Protection; the Block Autoplay feature; support for the Web Authentication HmacSecret extension via Windows Hello for versions of Windows 10 May 2019 or newer; support for receiving multiple video codecs; JIT support for ARM64; and improvements for download UI, performance (Windows 10), and battery life (macOS). Firefox 68.2 was released on October 22, 2019 for Android only, gaining the ability to sign in to a Firefox account from the onboarding experience as well as from the new tab page, and resolving a crash in the “Welcome” screen. Firefox 70 was released on October 22, 2019 for desktop only. Among the additions were: more privacy protection from Enhanced Tracking Protection; more security protection from Firefox Lockwise; improvements to core engine components for better browsing on more sites; a stand-alone Firefox account menu for easy access to Firefox services like Monitor and Send; the dark mode preference for built-in Firefox pages; and inactive CSS. Firefox 68.3 was released on December 3, 2019 for Android only, gaining the updates to improve performance and stability. Firefox 71 was released on December 3, 2019 for desktop only. Among the additions were: improvements to the integrated password manager Lockwise; more information about Enhanced Tracking Protection in action; picture-in-picture for Windows; and native MP3 decoding on Windows, Linux, and macOS. Firefox 68.4 was released on January 7, 2020 for Android only, gaining various security fixes. Firefox 72 was released on January 7, 2020 for desktop only. Among the additions were: the replacement of notification request pop-ups; the ETP blocking fingerprinting scripts by default; the availability of picture-in-picture video for macOS and Linux; and the removal of support for blocking images from individual domains because of low usage and poor user experience. Firefox 68.5 was released on February 11, 2020 for Android only, updating messaging card on the homescreen to inform users about upcoming releases and gaining various security and stability fixes. Firefox 73 was released on February 11, 2020 for desktop only. Among the additions were: a page zoom feature for more than a decade that allows users to set the zoom level on a per-site basis, a “readability backplate” solution which places a block of background color between the text and background image, improved audio quality when playing back audio at a faster or slower speed, a prompt to save logins if a field in a login form was modified, and rolling out WebRender to laptops with Nvidia graphics cards with drivers newer than 432.00, and screen sizes smaller than 1920x1200.