@firefoxbeta

Use Firefox Beta on your computer, test new features and report any problem or regression to the Firefox Release Management team! https://xitter.cf/t.co/5jUz2eM75z

 world
beta.mozilla.org
Joined January 2020
  • Tweets989
  • Following15
  • Followers2.9K
16Media
Community power in action! 💪 Mozilla volunteer Valery Ledovskoy has released a new Russian dictionary extension. The goal: a modern, MPL-licensed Hunspell dictionary to replace Firefox's aging default. 🧩 Try it: addons.mozilla.org/en-US/fir… 📝 Feedback: habr.com/ru/articles/1043982…

Russian Spelling Dictionary – Get this Dictionary for 🦊 Firefox (en-US)

Download Russian Spelling Dictionary for Firefox. Современный русский словарь проверки орфографии для Firefox и Thunderbird

addons.mozilla.org
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What's new in Firefox this June, and what's next on the Firefox roadmap blog.mozilla.org/en/firefox/…

What's new in Firefox this June, and what's next on the Firefox roadmap | The Mozilla Blog

Firefox has been busy introducing updates across productivity, privacy and AI. From Project Nova and browser-wide AI controls to expanded privacy protectio

blog.mozilla.org
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[Nightly Blog] Settings Are Getting a New Look! blog.nightly.mozilla.org/202…

Settings Are Getting a New Look! – Firefox Nightly News

The redesign of Firefox Settings is now enabled by default in Nightly! With this change, we are making it easier for people to customize Firefox and discover the controls that ...

blog.nightly.mozilla.org
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As a reminder, you can follow the general Mozilla news, team work and individual contributors work on Planet Mozilla (which you can also subscribe to with your feed reader). We have 1 to 2 blog posts per day on Planet. planet.mozilla.org/

Planet Mozilla

Follow the pulse of the Mozilla project. Aggregated updates from the developers, designers, and volunteers building a better internet.

planet.mozilla.org
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Firefox Beta retweeted
Mozilla Add-ons@mozamo1 Aug 2025
🚨 PSA for @firefox add-on developers 🚨 There's a phishing campaign that's using false urgency to trick developers into granting a 3rd party access to their AMO accounts. Stay safe out there! blog.mozilla.org/addons/2025…

Warning: Phishing campaign detected – Mozilla Add-ons Community Blog

The developer community should be aware we’ve detected a phishing campaign targeting AMO (addons.mozilla.org) accounts. Add-on developers should exercise extreme caution and scrutiny when receiving...

blog.mozilla.org
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Firefox Beta retweeted
MDN Web Docs@MozDevNet31 Jul 2025
MDN is more than just a resource. It's a community of developers, contributors, and learners passionate about web development. Contribute to, 📚 MDN documentation 🤝 Help other devs 💟 Localize content 📝 Review or write on MDN Start now 👇 developer.mozilla.org/en-US/…

Contribute to MDN

The MDN Web Docs site provides information about Open Web technologies including HTML, CSS, and APIs for both Web sites and progressive web apps.

developer.mozilla.org
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A foxfooding campaign was just launched by Paul, one of our core community members to help us find bugs and rough edges to the new Drag to Pin feature. Everybody is welcome to join us do some testing and report bugs! discourse.mozilla.org/t/foxf… xitter.cf/FirefoxNightly/status/…

Foxfooding - drag a tab to pin a tab

Hello! A new feature is coming soon to Firefox and it would be great if there could be some contributors that could test it and try it out. Pinning tabs is a awesome feature, but what if it could be...

discourse.mozilla.org
Firefox Nightly 🔥@FirefoxNightly16 Jun 2025
You can now drag a tab to your pinned tabs tray to pin it, or drag it out to unpin it. bugzilla.mozilla.org/1944907
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State of CSS 2025 is now open: stateofcss.com/ Browser vendors use the results of 'State of' surveys to help prioritize the features to work on. If you care about CSS, please take some time to answer it, and help shape the future of the language
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You asked, we built it: Firefox tab groups are here blog.mozilla.org/en/firefox/…

You asked, we built it: Firefox tab groups are here  | The Mozilla Blog

What happens when 4,500 people ask for the same feature? At Firefox, we build it. Tab groups have long been the most requested idea on Mozilla Connect –

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Been waiting for Firefox Profile Management? This version update is for you! ✨ Firefox Profile Management 💳 Improved address and credit card autofill Learn more: mzl.la/3DPwABL

Firefox

firefox.com
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Firefox Beta retweeted
MDN Web Docs@MozDevNet14 Apr 2025
🔍 Curious about how MDN HTTP Observatory works? It performs an in-depth assessment of your site's HTTP headers and key security configurations. Get detailed, actionable feedback to secure your site! Check your site’s score now 🔢 developer.mozilla.org/en-US/…

HTTP Header Security Test - HTTP Observatory | MDN

Test your site’s HTTP headers, including CSP and HSTS, to find security problems and get actionable recommendations to make your website more secure. Test other websites to see how you compare.

developer.mozilla.org
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Dat's right! If you've been waiting for vertical tabs support in Firefox, now is a good time to update to 136 to enjoy: 🪄 Firefox sidebar ✨ Vertical tabs 🛡 Smartblock Embeds feature Learn more: mzl.la/41DlKI6

Firefox

firefox.com
This Post is from an account that no longer exists. Learn more
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Firefox Beta retweeted
Firefox 🔥
@firefox20 Dec 2024
Thank you to our community for an incredible year!
Background of Firefox logo with text that is describing all of the accomplishments in 2024 including.

ALT Background of Firefox logo with text that is describing all of the accomplishments in 2024 including.

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🚨We're calling on all EU-based Mozillians to help us monitor Apple’s new browser choice screens. Let's hold Big Tech to account! Join the effort: mzl.la/41to0lx
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If you’re excited about this update, you may want to join our Reddit AMA with Firefox Leadership to talk about Firefox priorities in 2024. Mark your calendar! Thursday, June 13, 17:00 - 19:00 UTC. mzl.la/3VlIWpR

From the firefox community on Reddit

Explore this post and more from the firefox community

reddit.com
Firefox 🔥
@firefox21 May 2024
You asked (many times 🙃) and we heard you! Over the next year we'll be releasing new features including: 🔥 Tab grouping 🔥 Vertical tabs 🔥 Native profile management Get ready because browsing on Firefox is about to get a whole lot better.
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Firefox Beta retweeted
Firefox 🔥
@firefox21 May 2024
You asked (many times 🙃) and we heard you! Over the next year we'll be releasing new features including: 🔥 Tab grouping 🔥 Vertical tabs 🔥 Native profile management Get ready because browsing on Firefox is about to get a whole lot better.
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Last Chance to fix eIDAS: Secret EU law threatens Internet security → last-chance-for-eidas.org/
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[Nightly Blog] Introducing Mozilla’s Firefox Nightly .deb Package for Debian-based Linux Distributions blog.nightly.mozilla.org/202…

Introducing Mozilla’s Firefox Nightly .deb Package for Debian-based Linux Distributions – Firefox...

Great news for people using Firefox Nightly on Debian-based Linux distributions (such as Debian, Ubuntu, Linux Mint, and others): installing, updating, and testing the latest Firefox Nightly builds...

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Encrypted Client Hello (ECH) has landed, encrypting more of our communications. We’ve blogged about ECH on the Mozilla blog. blog.mozilla.org/en/products…
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Firefox performance on Vue.js has improved significantly throughout the year. 💨💨 Most recently, we sped up reactivity with Proxy optimizations. This change landed in Firefox 118, so it’s currently on Beta and will release by the end of September. hacks.mozilla.org/2023/09/fa…

Faster Vue.js Execution in Firefox – Mozilla Hacks - the Web developer blog

Firefox performance on Vue.js has improved significantly throughout the year. Most recently, we sped up reactivity with Proxy optimizations.

hacks.mozilla.org
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