Mozilla is the not-for-profit behind the lightning fast Firefox browser. We put people over profit to give everyone more power online. Send accepts an optional parameter which lets you specify the request's body; this is primarily used for requests such as PUT. If the request method is GET or HEAD, the body parameter is ignored and the request body is set to null. Simple, private file sharing from the makers of Firefox - mozilla/send. Gather in this interactive, online, multi-dimensional social space. Firefox Developer Edition. Get the Firefox browser built just for developers. Check out the home for web developer resources. Firefox Reality. Explore the web with the Firefox browser for virtual reality.

Hacks Blog

Traditionally, a web page has to send a request to the server to receive new data; that is, the page requests data from the server. With server-sent events, it's possible for a server to send new data to a web page at any time, by pushing messages to the web page. These incoming messages can be treated as Events + data inside the web page.

• Pyodide Spin Out and 0.17 Release

  We are happy to announce that Pyodide has become an independent and community-driven project. We are also pleased to announce the 0.17 release for Pyodide with many new features and improvements. Pyodide consists of the CPython 3.8 interpreter compiled to WebAssembly which allows Python to run in the browser.The post Pyodide Spin Out and 0.17 Release appeared first on Mozilla Hacks - the Web developer blog.

• Never too late for Firefox 88

  April is upon us, and we have a most timely release for you — Firefox 88. In this release you will find a bunch of nice CSS additions including :user-valid and :user-invalid support and image-set() support, support for regular expression match indices, removal of FTP protocol support for enhanced security, and more! This blog post […]The post Never too late for Firefox 88 appeared first on Mozilla Hacks - the Web developer blog.

• QUIC and HTTP/3 Support now in Firefox Nightly and Beta

  Support for QUIC and HTTP/3 is now enabled by default in Firefox Nightly and Firefox Beta and we are planning to start a rollout on the release in Firefox Stable Release 88. HTTP/3 will be available by default by the end of May.The post QUIC and HTTP/3 Support now in Firefox Nightly and Beta appeared first on Mozilla Hacks - the Web developer blog.

• Eliminating Data Races in Firefox – A Technical Report

  We successfully deployed ThreadSanitizer in the Firefox project to eliminate data races in our remaining C/C++ components. In the process, we found several impactful bugs and can safely say that data races are often underestimated in terms of their impact on program correctness. We recommend that all multithreaded C/C++ projects adopt the ThreadSanitizer tool to enhance code quality.The post Eliminating Data Races in Firefox – A Technical Report appeared first on Mozilla Hacks - the Web developer blog.

• A web testing deep dive: The MDN web testing report

  For the last couple of years, we've run the MDN Web Developer Needs Assessment (DNA) Report, which aims to highlight the key issues faced by developers building web sites and applications. This has proved to be an invaluable source of data for browser vendors and other organizations to prioritize improvements to the web platform. This year we did a deep dive into web testing, and we are delighted to be able to announce the publication of this follow-on work, available at our insights.developer.mozilla.org site along with our other Web DNA publications.The post A web testing deep dive: The MDN web testing report appeared first on Mozilla Hacks - the Web developer blog.

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Firefox Send has been discontinued as of September 17th, 2020. You will no longer be able to upload or receive files. We’d like to thank all of you who tried Firefox Send.

We started Firefox Send as a way for you to share files safely and easily from any browser. Unfortunately, some abusive users were beginning to use Firefox Send to ship malware and conduct phishing attacks. When this problem was reported, we stopped the service. Please see the Mozilla Blog for more details on why this service was discontinued.

Mozilla Send

All files sent to Firefox Send have been securely wiped from our server. If you’ve shared files from your computer or device, the original files have not been moved, altered or deleted in any way by Firefox Send.