---------- Forwarded message ---------- From: Adam Stevenson astevenson@mozilla.com Date: Wed, Sep 27, 2017 at 2:07 AM Subject: [mozilla-wikimedia-discuss] Firefox Quantum is in Beta To: mozilla-wikimedia-discuss@mozilla.com Cc: Harald Kirschner harald@mozilla.com
Dear Wikimedia,
This year Mozilla has been working on our most significant release, possibly ever. Firefox Quantum is going into Beta today [1]. It will be shipping to users on November 14, 2017 as a major upgrade of Firefox’s internals, building the foundation to make Firefox faster with every release after. We’ve been actively testing these improvements in our Nightly channel with great results.
To make sure that we have not regressed Wikimedia properties but made them faster, we would like your help in testing Firefox Beta. In particular we’re interested in differences in rendering or functionality inadvertently introduced and any impact on performance metrics.
One of the major components of Firefox Quantum is Quantum CSS [2]. This new CSS engine takes advantage of modern hardware, parallelizing work across multiple cores. Some websites may depend on assumptions about the ordering and timing of events that occur during the browser's rendering cycle, particularly on page load.
If you discover any issues, please report them to us through Bugzilla [3] or reach out via our discuss mailing list. We are also here to help, like setting up Firefox in your automated testing, running performance benchmarks, or any other questions you have about the web & Firefox.
Thanks for helping us push the web forward.
Adam Stevenson Mozilla
[1]: https://www.mozilla.org/en-US/firefox/channel/desktop/ [2]: https://hacks.mozilla.org/2017/08/inside-a-super- fast-css-engine-quantum-css-aka-stylo/ [3]: https://bugzilla.mozilla.org/enter_bug.cgi?product= Firefox&component=Untriaged