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• A Fabulous February Firefox — 86!

  Looking into the near distance, we can see the end of February loitering on the horizon, threatening to give way to March at any moment. To keep you engaged until then, we’d like to introduce you to Firefox 86.The post A Fabulous February Firefox — 86! appeared first on Mozilla Hacks - the Web developer blog.

  Posted Tuesday, February 23, 2021 by Chris Mills

• Introducing State Partitioning

  State Partitioning is the technical term for a new privacy feature in Firefox called Total Cookie Protection, which will be available in ETP Strict Mode in Firefox 86. This article shows how State Partitioning works inside of Firefox and explains what developers of third-party integrations can do to stay compatible with the latest changes. The post Introducing State Partitioning appeared first on Mozilla Hacks - the Web developer blog.

  Posted Tuesday, February 23, 2021 by Johann Hofmann

• MDN localization update, February 2021

  In our previous post, An update on MDN Web Docs’ localization strategy, we explained our broad strategy for moving forward with allowing translation edits on MDN again. The MDN localization communities are waiting for news of our progress on unfreezing the top-tier locales, and here we are. In this post we’ll look at where we’ve got to so far in 2021, and what you can expect moving forward.The post MDN localization update, February 2021 appeared first on Mozilla Hacks - the Web developer blog.

  Posted Thursday, February 11, 2021 by Chris Mills

• Browser fuzzing at Mozilla

  Mozilla has been fuzzing Firefox and its underlying components for a while. It has proven itself to be one of the most efficient ways to identify quality and security issues. In general, we apply fuzzing on different levels: there is fuzzing the browser as a whole but a significant amount of time is also spent on fuzzing isolated code (e.g. with libFuzzer) or even whole components such as the JS engine using separate shells with various fuzzers. For the purpose of this blog post, we will talk specifically about browser fuzzing only, and go into detail on the pipeline we’ve developed.The post Browser fuzzing at Mozilla appeared first on Mozilla Hacks - the Web developer blog.

  Posted Tuesday, February 9, 2021 by Tyson Smith

• January brings us Firefox 85

  To wrap up January, we are proud to bring you the release of Firefox 85. In this version we are bringing you support for the :focus-visible pseudo-class in CSS and associated devtools, , and the complete removal of Flash support from Firefox. We’d also like to invite you to preview two exciting new JavaScript features in the current Firefox Nightly — top-level await and relative indexing via the .at() method. Have fun!The post January brings us Firefox 85 appeared first on Mozilla Hacks - the Web developer blog.

  Posted Tuesday, January 26, 2021 by Chris Mills