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Emilio Cobos Álvarez
Oct 8
PSA: Built-in Light / Dark theme set-up change
Assuming things stick, the manifests for our built-in light / dark themes will be mostly empty as of
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PSA: Built-in Light / Dark theme set-up change
Assuming things stick, the manifests for our built-in light / dark themes will be mostly empty as of
Oct 8
Marco Castelluccio
Oct 7
Engineering Effectiveness Newsletter (Q3 2025 Edition)
Welcome to the Q3 edition of the Engineering Effectiveness Newsletter! The Engineering Effectiveness
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Engineering Effectiveness Newsletter (Q3 2025 Edition)
Welcome to the Q3 edition of the Engineering Effectiveness Newsletter! The Engineering Effectiveness
Oct 7
Frederik Braun
Oct 7
You can now test JavaScript debugging with Pernosco
Hi all, Our friends at pernosco have worked with us to bring JavaScript support into their tools.
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You can now test JavaScript debugging with Pernosco
Hi all, Our friends at pernosco have worked with us to bring JavaScript support into their tools.
Oct 7
Anna Kulyk
Oct 6
Smarter Search, Smoother Tools - These Weeks in Firefox: Issue 190
Hey Firefox friends! We're back with another round of highlights and improvements from across
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Smarter Search, Smoother Tools - These Weeks in Firefox: Issue 190
Hey Firefox friends! We're back with another round of highlights and improvements from across
Oct 6
Pascal Chevrel
Oct 6
Soft code freeze for Firefox 145 starts on Thursday, October 9 @ 8am UTC (replaces previous email)
Hello, With Firefox 144 in the Release Candidate phase this week, we are nearing the end of the
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Soft code freeze for Firefox 145 starts on Thursday, October 9 @ 8am UTC (replaces previous email)
Hello, With Firefox 144 in the Release Candidate phase this week, we are nearing the end of the
Oct 6
Pascal Chevrel
Oct 6
Soft code freeze for Firefox 146 starts on Thursday, October 9 @ 8am UTC
Hello, With Firefox 145 in the Release Candidate phase this week, we are nearing the end of the
unread,
Soft code freeze for Firefox 146 starts on Thursday, October 9 @ 8am UTC
Hello, With Firefox 145 in the Release Candidate phase this week, we are nearing the end of the
Oct 6
Jared Hirsch
Sep 29
Firefox desktop development meeting - 2025-09-30
Hello Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com
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Firefox desktop development meeting - 2025-09-30
Hello Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com
Sep 29
Anna Kulyk
Sep 22
Firefox 144 Highlights: Faster Add-ons, Smarter DevTools, and Tab Group Boosts - These Weeks in Firefox, Issue 189
Happy Monday, Firefox team! Hope you had a restful weekend. We're kicking off the week with a
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Firefox 144 Highlights: Faster Add-ons, Smarter DevTools, and Tab Group Boosts - These Weeks in Firefox, Issue 189
Happy Monday, Firefox team! Hope you had a restful weekend. We're kicking off the week with a
Sep 22
Anna Kulyk
Sep 19
Add-ons, Fixes, and DevTools Snacks - These Weeks in Firefox: Issue 188
Hi Firefox friends, Hope this message finds you well! We've got another jam-packed roundup of
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Add-ons, Fixes, and DevTools Snacks - These Weeks in Firefox: Issue 188
Hi Firefox friends, Hope this message finds you well! We've got another jam-packed roundup of
Sep 19
Hanna Jones
Sep 15
Firefox desktop development meeting - 2025-09-15
Hey Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com/
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Firefox desktop development meeting - 2025-09-15
Hey Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com/
Sep 15
Donal Meehan
2
Sep 15
Soft code freeze for Firefox 144 starts on September 11 @ 8am UTC
The version bump to 145 has now landed on mozilla-central and the soft freeze period is over. Thanks,
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Soft code freeze for Firefox 144 starts on September 11 @ 8am UTC
The version bump to 145 has now landed on mozilla-central and the soft freeze period is over. Thanks,
Sep 15
Andrew Halberstadt
,
Erich Gubler
4
Sep 11
Introducing #dev-help on Matrix
More of the latter. If you know the specific team to reach out to and how to get help, I'd say
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Introducing #dev-help on Matrix
More of the latter. If you know the specific team to reach out to and how to get help, I'd say
Sep 11
Connor Sheehan
2
Sep 9
PSA: the uplift request assessment form is now in Lando
Here are some screenshots of the form in Lando and the button to edit the form after submission. The
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PSA: the uplift request assessment form is now in Lando
Here are some screenshots of the form in Lando and the button to edit the form after submission. The
Sep 9
Mike Conley
Aug 29
Firefox desktop development meeting - 2025-09-02
Hello Firefox fans! Getting this reminder out a bit early, since Monday is a holiday in the US and
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Firefox desktop development meeting - 2025-09-02
Hello Firefox fans! Getting this reminder out a bit early, since Monday is a holiday in the US and
Aug 29
Andrew Halberstadt
2
Aug 27
PSA: Deprioritizing excessively large try pushes
Just to answer some questions I should have included in the original e-mail: 1. This only applies to
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PSA: Deprioritizing excessively large try pushes
Just to answer some questions I should have included in the original e-mail: 1. This only applies to
Aug 27
Florian Quèze
Aug 27
Please use ChromeUtils.now instead of Cu.now
To make ChromeUtils.addProfilerMarker easier to use, I recently added a ChromeUtils.now method
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Please use ChromeUtils.now instead of Cu.now
To make ChromeUtils.addProfilerMarker easier to use, I recently added a ChromeUtils.now method
Aug 27
L Hombre
,
Julian Descottes
4
Aug 26
Get rid of the new Welcome Page for QA testing (since v 142.0)
After some fiddling with my build system it turned out that user_pref("termsofuse.
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Get rid of the new Welcome Page for QA testing (since v 142.0)
After some fiddling with my build system it turned out that user_pref("termsofuse.
Aug 26
Mike Hommey
,
Daniel Holbert
2
Aug 20
Minimum supported versions of GCC and Clang changed
Hi Mike, Exciting! It looks like https://firefox-source-docs.mozilla.org/code-quality/coding-style/
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Minimum supported versions of GCC and Clang changed
Hi Mike, Exciting! It looks like https://firefox-source-docs.mozilla.org/code-quality/coding-style/
Aug 20
Mark Striemer
Aug 18
Firefox desktop development meeting - 2025-08-19
Hello Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com
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Firefox desktop development meeting - 2025-08-19
Hello Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com
Aug 18
Ryan VanderMeulen
2
Aug 18
Soft code freeze for Firefox 143 starts on August 14 @ 8am UTC
The version bump to 144 has now landed on firefox-main (mozilla-central) and the soft freeze period
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Soft code freeze for Firefox 143 starts on August 14 @ 8am UTC
The version bump to 144 has now landed on firefox-main (mozilla-central) and the soft freeze period
Aug 18
Joel Maher
Aug 5
Updated policy for adjust CI test platforms and related manifest conditions
As I have been doing most of the work for CI upgrades, I would like to take the opportunity to share
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Updated policy for adjust CI test platforms and related manifest conditions
As I have been doing most of the work for CI upgrades, I would like to take the opportunity to share
Aug 5
Maxx Crawford
Aug 5
Firefox desktop development meeting - 2025-08-05
Hey, hey Firefox fans! Here are the details for today's meeting: When: http://arewemeetingyet.com
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Firefox desktop development meeting - 2025-08-05
Hey, hey Firefox fans! Here are the details for today's meeting: When: http://arewemeetingyet.com
Aug 5
Beatrice Acasandrei (via Google Forms)
Aug 5
Invitation to respond to the form "Feedback: Compare View vs. PerfCompare"
Beatrice Acasandrei shared a form Beatrice Acasandrei (bacas...@mozilla.com) has invited you to
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Invitation to respond to the form "Feedback: Compare View vs. PerfCompare"
Beatrice Acasandrei shared a form Beatrice Acasandrei (bacas...@mozilla.com) has invited you to
Aug 5
Anna Kulyk
Aug 4
Custom Profile Avatars Arrive in Nightly - These Weeks in Firefox: Issue 186
Hey Firefox folks! Custom profile avatars have landed in Nightly, and tab group hover previews are on
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Custom Profile Avatars Arrive in Nightly - These Weeks in Firefox: Issue 186
Hey Firefox folks! Custom profile avatars have landed in Nightly, and tab group hover previews are on
Aug 4
Mike Conley
Jul 28
Copy Link to Highlight in Nightly - These Weeks in Firefox: Issue 185
Hello all, A few weeks back, the Firefox Desktop team met up to discuss some of the latest goings-on
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Copy Link to Highlight in Nightly - These Weeks in Firefox: Issue 185
Hello all, A few weeks back, the Firefox Desktop team met up to discuss some of the latest goings-on
Jul 28
Jared Hirsch
Jul 21
Firefox desktop development meeting - 2025-07-22
Hello Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com
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Firefox desktop development meeting - 2025-07-22
Hello Firefox fans! Here are the details for tomorrow's meeting: When: http://arewemeetingyet.com
Jul 21
Dianna Smith
2
Jul 21
Soft code freeze for Firefox 142 starts on July 17 @ 8am UTC
The version bump to 143 has now landed on firefox-main (mozilla-central) and the soft freeze period
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Soft code freeze for Firefox 142 starts on July 17 @ 8am UTC
The version bump to 143 has now landed on firefox-main (mozilla-central) and the soft freeze period
Jul 21
Gregory Mierzwinski
Jul 18
Performance Tools Newsletter (H1 Edition)
Welcome to the latest edition of the Performance Tools Newsletter! The PerfTools team empowers
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Performance Tools Newsletter (H1 Edition)
Welcome to the latest edition of the Performance Tools Newsletter! The PerfTools team empowers
Jul 18
Frederik Braun
Jul 17
Firefox Security & Privacy Newsletter - Q2 2025
Welcome to the Q2 2025 edition of the Firefox Security and Privacy newsletter! Security and Privacy
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Firefox Security & Privacy Newsletter - Q2 2025
Welcome to the Q2 2025 edition of the Firefox Security and Privacy newsletter! Security and Privacy
Jul 17
Florian Quèze
Jul 16
Preferences are now reset between browser-chrome mochitests
The patches from https://bugzilla.mozilla.org/show_bug.cgi?id=1975980 to reset modified preferences
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Preferences are now reset between browser-chrome mochitests
The patches from https://bugzilla.mozilla.org/show_bug.cgi?id=1975980 to reset modified preferences
Jul 16