Mozilla, the organization that develops Firefox, offers downloads of all previous Windows and macOS versions for testing purposesthey do not, however, recommend downgrading, as older version usually have unpatched security holes. Improved the JSON serialization and deserialization algorithms to be compliant with the WebDriver classic specification ( bug 1794078). This wikiHow teaches you how to return to an older version of the Firefox web browser on your computer.The cache for known nodes (element and shadow root references) has been moved from the parent to the web content process following recent WebDriver classic changes ( bug 1692468).Added a type field to the response for script.evaluate and script.callFunction to indicate either success or exception results ( bug 1803599).Added a timestamp field to the browsingContext.domContentLoaded and browsingContext.load events ( bug 1790378).Added support for serialization and deserialization of generic platform objects ( bug 1792524), and for NodeList and HTMLCollection platform objects ( bug 1802284).

Added support for the browsingContext.captureScreenshot command to capture full page screenshots ( bug 1800086). Recently added version:Firefox Browser fast & private beta45.0-2015402553 (armeabi-v7a) Most Popular Version: Firefox Browser fast & private 35.0.1-2015020502 - 0 Downloads Firefox Browser fast & privateLatest Version Firefox Browser fast & private beta45.0-2015402553 (armeabi-v7a) Download Now Released: Add info Size: 39.Added support for the network.beforeRequestSent ( bug 1790368), the network.responseStarted ( bug 1790370), and the network.responseCompleted ( bug 1790372) events.

Older versions of firefox