Firefox releases (based on the train release model) go live every 6 weeks. However, this December instead of pushing a new mainline release, we plan to push a dot release 50.1.0 mid December. This will be a limited scope release and will only include fixes for recent severe regressions, crashes and security issues.
When you install Firefox 1.5.0.11, your Extensions and Themes may be disabled until Firefox 1.5.0.11 determines that either a) they are compatible with the Firefox 1.5.0.11 release or b) there are newer versions available that are compatible. Upcoming Firefox release dates are listed at RapidRelease/Calendar. Thunderbird approximately (i.e. Not strictly) follows the ESR schedule listed there. The full list of Firefox release notes is available on mozilla.org. The full list of Thunderbird release notes is available on mozilla.org. Old releases can be found at releases. Firefox 3.5 (Release Candidate) is the latest development milestone of Firefox 3.5, the next version of the Firefox web browser. While this release is considered to be stable, it is intended for developers and members of our testing community to use for early evaluation and feedback. Get Firefox, a free web browser backed by Mozilla, a non-profit dedicated to internet health and privacy. Available now on Windows, Mac, Linux, Android and iOS.
Since our last Firefox release, we’ve been working on features to make the Firefox Quantum browser work better for you. We added by default Enhanced Tracking Protection which blocks known “third-party tracking cookies” from following your every move. With this latest Firefox release we’ve added new features so you can browse the web the way you want — unfettered and free. We’ve also made improvements for IT managers who want more flexibility when using Firefox in the workplace.
![Release Release](https://www.mozilla.org/media/img/nav/cards/master.880ae02e49c3.jpg)
Key highlights for today’s update includes:
- Blackout shades come to Firefox Reader View: One of the most popular ways that people use our Reader View is by changing the contrast from light to dark. Initially, this only covered the text area. Now, when a user moves the contrast to dark all the sections of the site — including the sidebars and toolbars will be completely in dark mode.
All sections of the site will be completely in dark mode
- Firefox Recommended Extensions and more: We curated a list of recommended extensions that have been thoroughly reviewed for security, usability and usefulness. You can find the list on the “Get Add-ons” page in the Firefox Add-ons Manager (about:addons). Plus we are making it even easier to report any bad extensions you come across. You can do this directly through your Firefox Add-ons Manager to ensure others’ safety. This new feature is part of the larger effort to make the add-ons ecosystem safer.
- Popular User Requested Features added to Firefox for iOS: Users are at the center of everything we do, and most of the features we’ve added to Firefox for iOS in the past have been requests straight from our community. Today, we’re adding two new features which have been asked for the most. They include:
- Bookmark editing – We added a new ‘Recently Bookmarked’ section to bookmarks and also added support for editing all bookmarks. Now users can reorder, rename, or update the URL for bookmarks.
- Set sites to always open with Desktop Version – We know that some sites aren’t optimized for mobile, and for users the desktop version of a site is the better and preferred experience. Today, users can set sites to always open in desktop mode, and we’re also introducing a badge to help you identify when a site is being displayed in desktop mode.
More customization for IT Pros
Since the launch of Firefox Quantum for Enterprise last year, we’ve received feedback from IT (information technology) professionals who wanted to make Firefox Quantum more flexible and easier to use so they can meet their workplace needs. Today we’re adding a number of new enterprise policies for IT leads who want to customize Firefox for their employees. Textual 7 7 0 9.
The new policies for today’s Firefox Quantum for Enterprise will help IT managers configure their company’s infrastructure in the best way to meet their own personalized needs. This includes adding a support menu so enterprise users can easily contact their internal support teams and configuring or removing the new tab page so companies can bring their intranet or other sites front and center for employees. For shared machines and protecting employees’ privacy, IT managers can turn off search suggestions. You can look here to see a complete list of policies supported by Firefox.
We are always looking for ways to improve Firefox Quantum for Enterprise, our Extended Support Release. For organizations that need access to specific preferences, we’ve already started a list in our GitHub repository, and we will continue to add based on the requests we receive. Feel free to submit at the GitHub link on specific preferences you need.
To read the complete list of new items or see what we’ve changed in today’s release, you can check out our release notes.
We hope you try out and download the latest version of Firefox Quantum for desktop, iOS and Enterprise.
< Release Management
- 4Release timeline
- 5All about Flags
- 6The Process
- 9Queries
Channels/Repositories
- Firefox Release/mozilla-release — The official release of Firefox.
- Firefox Beta/mozilla-beta — Testing the next version of Firefox before it becomes the official release. Firefox Beta channel is also built from the Beta branch.
- Firefox Nightly/mozilla-central — Nightly releases that contains experimental features (covered regularly on Twitter from @FirefoxNightly).
- Firefox ESR/mozilla-esr68 — Official Desktop releases for Organizations. Check the wiki for detailed information.
See the Tree Rules before pushing patch into any repository.
Download Links for Firefox for Desktop
Get the latest version of Firefox for Windows, macOS or Linux across all channels and check the Release notes for new features, enhancements or changes.
Download Links for Firefox for Android
You can get the latest release, beta and Nightly versions of Firefox for Android on the Google Play Store. Davinci resolve 15.
Release timeline
Firefox is released at intervals of four weeks (not counting urgent patch updates), meaning that every four weeks therewill be a new version of Firefox Release.
From mozilla-central to mozilla-release
- Firefox Nightly contains all the changes landed on mozilla-central. Regular Nightly releases occur about every 12 hours, with additional releases generated when a Nightly release has a major problem.
- Every 4 weeks, we merge the code from mozilla-central to our mozilla-beta branch. The mozilla-beta branch should now only get patches aimed at stabilizing the release. Any patch on mozilla-central that we want backported to our mozilla-beta branch should follow the approval rules for uplifts.
- Firefox Beta is released three times a week for Desktop, leaving us with 9 betas every cycle unless we have chemspills leading to additional betas. Firefox Beta 1 and 2 are shipped to a subset of our Beta population. The full Beta population gets updated starting with beta 3 only.
- At the end of the Beta cycle, a final build is validated by our QA and tagged for release into the mozilla-release branch.
Android specificities
- Firefox Nightly is released every 24 hours
- Firefox Beta is released once a week for Android, leaving us with 3 to 4 betas every cycle.
Release day activities/checklist can be found on the Release Day wiki page.
Our release schedule is meant to be flexible and we may occasionally modify the length of a cycle to be shorter or longer than the 4-5 week cycle mentioned. Check the Release Calendar to stay updated with the upcoming branch dates.
Nightly soft code freeze
The last few days of the nightly cycle, before merge day (when mozilla-central is merged into the mozilla-beta repository and a new release cycle starts), is a nightly soft code freeze, meaning that developers should not land on mozilla-central code that is deemed risky for the stability and general quality of Firefox and that features that are controlled by a pref and were not activated during the nightly cycle should not be activated during this week.
If you land code that introduces new crashers or lowers the overall quality of Firefox during that period, we will back it out instead of waiting for a follow-up fix.
All about Flags
tracking-firefoxXX
A flag which shows whether a bug is being investigated for possible resolution in the Firefox XX release. Bugs marked tracking-Firefox XX are bugs that must be resolved one way or another before a particular release ships. Release drivers will track and shepherd the bug until it is determined the bug no longer impacts the release.
? | This bug has been nominated to block Firefox XX |
- | Drivers have determined this bug will not block Firefox XX |
+ | Drivers have determined this bug will block the Firefox XX release or may be tracked after the Firefox XX release |
Refer to these guidelines on setting the tracking flag Cookie 5 1 1 download free.
status-firefoxXX
A flag which represents the status of the bug with respect to Firefox XX.
--- | We don't know whether Firefox XX is affected |
? | We don't know whether Firefox XX is affected, but we want to find out |
unaffected | This bug does not affect Firefox XX |
affected | This bug affects Firefox XX |
fix-optional | This bug affects Firefox XX, we would take a fix but don't consider it as release blocking |
fixed | This bug is fixed in Firefox XX |
verified | This bug is fixed and verified in Firefox XX |
checkin-pending | A patch for this bug was written and we are waiting for the code to be committed to the branch |
disabled | This feature is disabled in Firefox XX |
verified disabled | Disabling the feature is verified in Firefox XX |
wontfix | A fix for this bug will not be accepted in Firefox XX |
- Approval Flags: Set on the attachment of a bug
All patches landing on mozilla-beta/release/esr branches must have these nominated by setting a ? flag.
Please make sure to fill in the populated list of questions [Approval Request Comment] that come up on the attachment.This helps Release Management understand the user impact & the risk/reward analysis before we grant or deny approval. If this form is left incomplete it will be sent back to you for completion.
Please make sure to fill in the populated list of questions [Approval Request Comment] that come up on the attachment.This helps Release Management understand the user impact & the risk/reward analysis before we grant or deny approval. If this form is left incomplete it will be sent back to you for completion.
The Process
1) If you think a bug needs to be addressed in a release:
- Set the tracking-Firefox XX: ? nomination on a bug for with helpful justification and keeping these guidelines in mind
- Mark the corresponding status flag as affected if the patch is still being worked on
- Once the patch is ready set the approval flag appropriately depending on which branches are affected
2) Members of Release Management go through all the bugs nominated for tracking and if in agreement that this bug needs to be investigated in that release we will go ahead and set tracking-Firefox XX: +. Once we track a bug for a particular release we will make sure to follow-up on the progress or help with any road blockers till you have a patch nominated for approval.
Firefox Release Day
Note: Bugs denied for tracking-Firefox XX are still important. It merely means based on the information we have now,we do not feel the bug would prevent us from shipping a release. If new information comes to light, you need help getting more data before you can make the case for us to track, or you disagree with our assessment feel free to renominate again with additional justification.
3) Once you nominated a patch with approval-mozilla-beta/release: ? we will evaluate the information given in the attachment request we may either approve/deny/request more information. Once you get an approval , i.e approval-mozilla-beta/release: +, sheriffs or release managers will land it on the corresponding branch and mark status-Firefox XX flag to fixed, making sure Treeherder is green.
Also see:
Security Bug Approval Process
- In case you are working on a security bug please make sure to read the approval process before checking in the patch.
Crashes
- Type about:crashes in Firefox to get links to your crashes.
- You can obtain crash-data across any channel for all Firefox products by customizing the needed reports from the Socorro dashboard.
- If the information on the Socorro dashboard does not suffice for the crasher you are investigating and you need access to raw data, additional crash-dumps or other data related to the crash, you can file a Bug and forward the request to the Socorro team as a start to help you.
ESR
- See Release Management/ESR Landing Process
Queries
Following are the queries that Release management goes through almost day-day to make sure we are tracking the right blockers,getting them fixed and make sure these bugs get fixed (heard of nag emails yet:) ? ) for a particular Firefox release.
- Bugs tracking for release
- Bugs tracking Firefox Beta 83
Firefox Release Schedule
- Bugs nominated for approval
- Top-crash list
![Firefox Firefox](https://ffp4g1ylyit3jdyti1hqcvtb-wpengine.netdna-ssl.com/futurereleases/files/2019/09/featured-4-week-release-cycle-600x330.png)
Nag Emails
- To ensure that these tracking Bugs get the needed attention and keeping in mind the deadlines in case you forget Release Management sends you friendly nag emails for these blocker email's to make sure these get the needed priority and attention as they are are considered potential blockers for release.
- If you are working on a tracked bug you may have seen emails with Subject similar to: RelMan Attention Needed: Monday May 20 -- Daily Release Tracking Alert for bugs that are actively not being worked on or if any of the bugs may have a needsinfo on you and is blocking progress.
- This has also been very helpful to avoid any communication gap between Release drivers and developers and help us be on the same page and setting the right expectation about a tracked bugs progress and resolution.
Free Download Mozilla Firefox 2019
Release notes for Desktop/Android
Release Notes page describes the release notes process, the relnote-firefox tracking flag, styling guide and other relevant details.
Please check the Release_Management/Release_Notes_Process#What.27s_New.2FKnown_Issues_Section_Candidates Release Notes documentation for the process we currently have to construct release notes. Below are the links to all the existing release notes across all channels.
- Firefox Release
- Firefox Beta
- Firefox Nightly
See FAQ
Getting help
- Matrix
- https://chat.mozilla.org/#/home and apps on various platforms.
- Useful rooms include #introduction:mozilla.org, #release-drivers:mozilla.org, and #developers::mozilla.org.
- Mailing Lists for any release-related issue
- [email protected]
- [email protected]
- [email protected] (enterprise related issues)
- Google groups
- mozilla.dev.platform
- mozilla.dev.planning
- mozilla.announce
- Be part of the Channel Meetings if you are interested in day-day updates for desktop/mobile releases
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