


So, this bug seems to affect FF-45 on Windows (specifically 7-can't test the other versions. Also, both the current nightly and the developer versions work fine with that script. Interestingly when I tested it on my FF-45 on Fedora-23 it works. This script has always worked with the previous versions but it has stopped working now with FF-45. The upload session cookie should have been included but Firefox 45 on Windows 7 fails to do it. The upload process fails due to the fact that the upload script (calling from the Web worker) doesn't include the session cookie with the POST request. Firefox Beta gives you a sneak peek at the next version of Firefox six weeks ahead of its final release, offering a relatively stable build that’s not quite ready.

The upload script initiates an XHR post request that performs the uploading process. 7Firefox Beta is the build for those who like a little bit of jeopardy, but who don’t want to risk everything by trying out Firefox Developer, the early alpha build of Firefox. There is no CORS involved all scripts are communicating with the same domain. I'm loading an upload page that starts a session on the main thread while processing the actual upload from within a web worker. But all the while still providing you with extensive security settings and features to choose from in order to keep your browsing safe and private.User Agent: Mozilla/5.0 (Windows NT 6.1 rv:45.0) Gecko/20100101 Firefox/45.0 Remove what you don’t use or need, keep what you do and put it just about anywhere you want. Mozilla Firefox lets you change and customize your web experience exactly to your needs. In features and customizability, Firefox is unmatched, making it our Editors' Choice for Windows Web browsers. You will have access to tabbed browsing, spell checking, incremental find, live bookmarking, Smart Bookmarks, a download manager, private browsing, location-aware browsing, and an integrated search system. It's also fast and makes frugal use of RAM. Mozilla Firefox 83.x is a fast, free, and Open Source web browser that provides you with a highly customizable interface with numerous third-party add-ons, as well as multiple Mozilla authored add-ons.
