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Brave Release Schedule

Mihai PLESA edited this page Feb 26, 2024 · 407 revisions

TOC

Overview

Currently published version numbers can be seen at https://versions.brave.com/

  • Major Release frequency: ~3 weeks
  • Minor Chromium/Security releases: Every Tuesday (within ~24hrs after released) as per Chromium schedule. (however, these are tentative and subject to change)
  • Chemspill/Hotfix frequency: As needed
  • Every major release is tied to a fuzzy Chromium release date.

Older Brave Release Schedules are available in the Brave Release Schedules Archive.

Information about channel differences available in the Release Channel Descriptions.

Current channel information:

Channel Release Beta Nightly
Milestone 1.63.x 1.64.x 1.65.x
Branch name 1.63.x 1.64.x master

Note: These versions represent which channel our CI builds things on. It may not reflect exactly the version on release channel for example. This would happen if for example Release above said 0.58.x and it was in RC but on our website we still offered 0.57.x.

Current build schedule:

The following is our automated schedule for creating and uploading builds to our Sparkle (macOS), Omaha (Windows) servers and our Linux repositories.

Channel Time Days Platforms Public
Beta 4am UTC (8pm PST/11pm EST) Monday, Wednesday, Friday android linux-x64 macos-x64 macos-arm64 windows-x64 no
Beta 4am UTC (8pm PST/11pm EST) Tuesday, Thursday all yes
Nightly 12pm UTC (4am PST/7am EST) Monday - Friday all yes
Nightly 4pm UTC (8am PST/11am EST) Monday - Friday android linux-x64 macos-x64 macos-arm64 windows-x64 no
Nightly 12am UTC (4pm PST/7pm EST) Monday - Friday android linux-x64 macos-x64 macos-arm64 windows-x64 no

Release channel dates:

Version Chromium Migration Date Release Date Comments
1.58.x 117 September 6, 2023 September 14, 2023 Release delayed. Originally scheduled to release on September 12, 2023.
1.58.x 117 N/A September 27, 2023 Maintenance Release
1.59.x 118 October 4, 2023 October 11, 2023 Release delayed due to US/CA Holiday on October 9, 2023. Originally scheduled to release on October 10, 2023.
1.60.x 119 October 25, 2023 November 2, 2023 Release delayed. Originally scheduled to release on October 31, 2023.
1.60.x 119 N/A November 15, 2023 Maintenance Release
1.61.x 120 November 29, 2023 December 6, 2023 Release delayed. Originally scheduled to release on December 5, 2023.
1.62.x 121 January 17, 2024 January 25, 2024 Release delayed. Originally scheduled to release on January 23, 2024.
1.63.x 122 February 14, 2024 February 22, 2024 Release delayed. Originally scheduled to release on February 20, 2024.
1.64.x 123 March 13, 2024 March 19, 2024
1.65.x 124 April 10, 2024 April 16, 2024
1.66.x 125 May 8, 2024 May 14, 2024
1.67.x 126 June 5, 2024 June 11, 2024
1.68.x 127 July 17, 2024 July 23, 2024
1.69.x 128 August 14, 2024 August 20, 2024
1.70.x 129 September 11, 2024 September 17, 2024
1.71.x 130 October 9, 2024 October 15, 2024
1.72.x 131 November 6, 2024 November 12, 2024

Note: As announced via https://security.googleblog.com/2023/08/an-update-on-chrome-security-updates.html, we'll be getting minor chromium bumps every Tuesday. These releases will sometime also include P1 & P2 issues that are deemed important enough to get out ASAP rather than waiting for a major release. For example, HackerOne reports or other issues that are affecting users in a major way.

  • All dates are approximate and are subject to change.
  • Maintenance releases are tentative and subject to change.
  • Migration Date is also the cutoff date to add strings that need to be translated for the release.
  • Updates will be released as requested only.

Number of days between each release on Release channel

Version # of days between releases Comments
1.58.x - 1.59.x 29 days
1.59.x - 1.60.x 21 days
1.60.x - 1.61.x 35 days
1.61.x - 1.62.x 49 days
1.62.x - 1.63.x 28 days
1.63.x - 1.64.x 28 days
1.64.x - 1.65.x 28 days
1.65.x - 1.66.x 28 days
1.66.x - 1.67.x 28 days
1.67.x - 1.68.x 42 days
1.68.x - 1.69.x 28 days
1.69.x - 1.70.x 28 days
1.70.x - 1.71.x 28 days
1.71.x - 1.72.x 28 days

Beta channel migration dates:

Version Target Chromium Migration Date Comments
1.60.x 119 October 4, 2023
1.61.x 120 October 25, 2023
1.62.x 121 November 29, 2023
1.63.x 122 January 17, 2024
1.64.x 123 February 14, 2024
1.65.x 124 March 13, 2024
1.66.x 125 April 10, 2024
1.67.x 126 May 8, 2024
1.68.x 127 June 5, 2024
1.69.x 128 July 17, 2024
1.70.x 129 August 14, 2024
1.71.x 130 September 11, 2024
1.72.x 131 October 9, 2024
1.73.x 132 November 6, 2024
  • CI does builds for Beta channel happen twice a week.
  • Updates are released as there are builds as long as tests pass.

Nightly channel migration dates:

Version Target Chromium Migration Date Comments
1.61.x 120 October 4, 2023
1.62.x 121 October 25, 2023
1.63.x 122 November 29, 2023
1.64.x 123 January 17, 2024
1.65.x 124 February 14, 2024
1.66.x 125 March 13, 2024
1.67.x 126 April 10, 2024
1.68.x 127 May 8, 2024
1.69.x 128 June 5, 2024
1.70.x 129 July 17, 2024
1.71.x 130 August 14, 2024
1.72.x 131 September 11, 2024
1.73.x 132 October 9, 2024
1.74.x 133 November 6, 2024
  • Nightly builds will be made from master for this channel.
  • This means that within a day of any change you can start testing it.
  • Developers work off of master.
  • We keep master stable, when it is not, we backout what broke it.
  • If something fails tests, that thing should be backed out.
  • brave/brave-browser's package.json specifies brave-core branch to be master.

Mobile platforms

Android rollout process

When 1) approved in the Google Play Store and 2) QA has signed off on the release, we'll release in a staged rollout. Before moving to the next stage, crash reports are checked by release team and evaluated.

Assuming we have the release ready in the morning, the schedule will typically look like this:

day time rollout
1 morning initial release 1%
1 evening 5%
2 morning 10%
2 evening 20%
3 morning 50%
3 evening 100%

iOS rollout process

When 1) approved in iOS App Store and 2) QA has signed off on the release, we'll begin the automated rollout. This takes place over 7 days to people who have automatic updates enabled. Users can visit the App Store page for Brave at any time and get the latest one

If something goes wrong, the release can be paused.

day rollout
1 initial release 1%
2 2%
3 5%
4 10%
5 20%
6 50%
7 100%

How to do branch migrations:

For folks that want to see more of "how the sausage is made" (link restricted to Brave employees), you can view the Jenkins job details here: https://github.com/brave/devops/blob/master/jenkins/jobs/browser/branch-migrations.yml

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