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• Post #4141101

  [Nightly Blog] Try the New Firefox Design in Nightly https://blog.nightly.mozilla.org/2026/07/27/new-firefox-design/

• Post #3804066

  Firefox Security & Privacy Newsletter 2026 Q2 | Attack & Defense https://attackanddefense.dev/2026/07/12/firefox-security-privacy-newsletter-2026-q2.html

• Post #3639519

  The address bar now includes a "Manage AI" quick action that opens the AI section of Settings. https://bugzilla.mozilla.org/2038834

• Post #3628567

  [Community newsletter] A new Firefox look, hidden features, and more – about:community https://blog.mozilla.org/community/2026/07/06/newsletter-jun-2026/

• Post #3519131

  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: https://addons.mozilla.org/en-US/firefox/addon/russian-spell-dictionary/ 📝 Feedback: https://habr.com/ru/articles/1043982/

• Post #2745707

  [Nightly Blog] VPN, Split View, and Other Goodies – These Weeks in Firefox: Issue 200! https://blog.nightly.mozilla.org/2026/04/27/vpn-split-view-and-other-goodies-these-weeks-in-firefox-issue-200/

• Post #2745706

  [Nightly Blog] Import-ant Updates – These Weeks in Firefox: Issue 201 https://blog.nightly.mozilla.org/2026/04/30/import-ant-updates-these-weeks-in-firefox-issue-201/

• Post #2745705

  "Behind the Scenes Hardening Firefox with Claude Mythos Preview" (https://hacks.mozilla.org/2026/05/behind-the-scenes-hardening-firefox/)

• Post #2745704

  [Nightly Blog] Settings Are Getting a New Look! https://blog.nightly.mozilla.org/2026/05/20/settings-are-getting-a-new-look/

• Post #2745703

  You can now generate a QR code for a page from the tab context menu (Share -> Generate QR code). https://bugzilla.mozilla.org/1996422

• Post #2745702

  Firefox Labs can now be opened quickly by typing "labs" or "experiment" in the address bar and selecting the Open Firefox Labs quick action. https://bugzilla.mozilla.org/2023169

• Post #1646619

  [Nightly Blog] QR Codes, Speed Calculators, Better RAM Usage – These Weeks in Firefox: Issue 199 https://blog.nightly.mozilla.org/2026/04/15/qr-codes-speed-calculators-better-ram-usage-these-weeks-in-firefox-issue-199/

• Post #939838

  Tab groups are now enabled by default in Firefox Nightly 135 https://bugzilla.mozilla.org/1938187

• Post #897873

  [Nightly Blog] AI Controls – These Weeks in Firefox: Issue 196 https://blog.nightly.mozilla.org/2026/03/10/ai-controls-these-weeks-in-firefox-issue-196/

• Post #897872

  [Nightly Blog] Firefox Profiler Dark Mode and Updated Smart Window Prompts – These Weeks in Firefox: Issue 197 https://blog.nightly.mozilla.org/2026/03/17/firefox-profiler-dark-mode-and-updated-smart-window-prompts-these-weeks-in-firefox-issue-197/

• Post #897871

  @krinkle I pinged the author about it

• Post #897870

  [Nightly Blog] Extension Theming Improvements and More – These Weeks in Firefox: Issue 198 https://blog.nightly.mozilla.org/2026/03/20/extension-theming-improvements-and-more-these-weeks-in-firefox-issue-198/

• Post #897869

  Firefox & Gtk Emoji picker – Martin Stransky's Blog https://mastransky.wordpress.com/2026/03/20/firefox-gtk-emoji-picker/

• Post #897868

  [Gecko] Competition, Innovation, and the Future of the Web - Why Independent Browser Engines Matter https://blog.mozilla.org/netpolicy/2026/03/23/competition-innovation-and-the-future-of-the-web/ 🦎️

• Post #897867

  Firefox Developer Edition and Beta: Try out Mozilla's .rpm package! - Mozilla Hacks - the Web developer blog https://hacks.mozilla.org/2026/03/firefox-developer-edition-and-beta-try-out-mozillas-rpm-package/

• Post #377950

  [Nightly Blog] Phasing Out the Older Version of Firefox Sidebar in 2026 https://blog.nightly.mozilla.org/2026/01/13/phasing-out-the-older-version-of-firefox-sidebar-in-2026/

• Post #377949

  [Nightly Blog] Introducing Mozilla’s Firefox Nightly .rpm package for RPM based linux distributions! https://blog.nightly.mozilla.org/2026/01/19/introducing-mozillas-firefox-nightly-rpm-package-for-rpm-based-linux-distributions/

• Post #377948

  Firefox & Linux in 2025 https://mastransky.wordpress.com/2026/01/23/firefox-linux-in-2025/

• Post #377947

  Brussels, here we come! 🦊🇧🇪 Mozilla will be at @fosdem next weekend. Swing by our stand to meet our staff and volunteers, and join the "Browser and Web Platform" devroom on Saturday! Track schedule: https://fosdem.org/2026/schedule/track/browser-and-web-platform/

• Post #377946

  [Nightly Blog] Take note – Split View is ready for testing! – These Weeks in Firefox: Issue 194 https://blog.nightly.mozilla.org/2026/01/26/take-note-split-view-is-ready-for-testing-these-weeks-in-firefox-issue-194/

• Post #377944

  [Nightly Blog] Profile, search and wallpaper bug fixes plus more! – These Weeks in Firefox: Issue 195 https://blog.nightly.mozilla.org/2026/02/02/profile-search-and-wallpaper-bug-fixes-plus-more-these-weeks-in-firefox-issue-195/

• Post #377943

  AI Controls are available in Firefox Nightly preferences! Documentation: https://support.mozilla.org/kb/firefox-ai-controls If you find a bug, please report it on Bugzilla via this link: https://mzl.la/AIControlsFileBug Thanks!

• Post #377942

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