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Brave Release Schedule

Kamil Jozwiak edited this page Nov 27, 2024 · 439 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 1.73.x 1.74.x 1.75.x
Branch name 1.73.x 1.74.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
1.70.x 129 September 11, 2024 September 19, 2024 Release delayed. Originally scheduled to release on September 17, 2024.
1.71.x 130 October 9, 2024 October 17, 2024 Release delayed. Originally scheduled to release on October 15, 2024.
1.72.x N/A N/A N/A https://community.brave.com/t/channel-migrations-update/579281
1.73.x 131 November 6, 2024 November 13, 2024 Release delayed. Originally scheduled to release on November 12, 2024.
1.74.x 132 January 8, 2025 January 14, 2025
1.75.x 133 January 29, 2025 February 4, 2025
1.76.x 134 February 26, 2025 March 4, 2025
1.77.x 135 March 26, 2025 April 1, 2025
1.78.x 136 April 23, 2025 April 29, 2025
1.79.x 137 May 21, 2025 May 27, 2025
1.80.x 138 June 18, 2025 June 24, 2025
1.81.x 139 July 30, 2025 August 5, 2025
1.82.x 140 August 27, 2025 September 2, 2025
1.83.x 141 September 24, 2025 September 30, 2025
1.84.x 142 October 22, 2025 October 28, 2025
1.85.x 143 November 19, 2025 December 2, 2025

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.
  • 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
1.70.x - 1.71.x 28 days
1.71.x - 1.73.x 28 days
1.73.x - 1.74.x 56 days
1.74.x - 1.75.x 28 days
1.75.x - 1.76.x 28 days
1.76.x - 1.77.x 28 days
1.77.x - 1.78.x 28 days
1.78.x - 1.79.x 28 days
1.79.x - 1.80.x 28 days
1.80.x - 1.81.x 42 days
1.81.x - 1.82.x 28 days
1.82.x - 1.83.x 28 days
1.83.x - 1.84.x 28 days
1.84.x - 1.85.x 35 days

Beta channel migration dates:

Version Target Chromium Migration Date Comments
1.70.x 129 August 14, 2024
1.71.x 130 September 11, 2024
1.72.x 131 October 9, 2024
1.73.x N/A N/A https://community.brave.com/t/channel-migrations-update/579281
1.74.x 132 November 6, 2024
1.75.x 133 December 11, 2024
1.76.x 134 January 29, 2025
1.77.x 135 February 26, 2025
1.78.x 136 March 26, 2025
1.79.x 137 April 23, 2025
1.80.x 138 May 21, 2025
1.81.x 139 June 18, 2025
1.82.x 140 July 30, 2025
1.83.x 141 August 27, 2025
1.84.x 142 September 24, 2025
1.85.x 143 October 22, 2025
1.86.x 144 November 19, 2025
  • 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
1.70.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 N/A N/A https://community.brave.com/t/channel-migrations-update/579281
1.75.x 133 November 6, 2024
1.76.x 134 December 11, 2024
1.77.x 135 January 29, 2025
1.78.x 136 February 26, 2025
1.79.x 137 March 26, 2025
1.80.x 138 April 23, 2025
1.81.x 139 May 21, 2025
1.82.x 140 June 18, 2025
1.83.x 141 July 30, 2025
1.84.x 142 August 27, 2025
1.85.x 143 September 24, 2025
1.86.x 144 October 22, 2025
1.87.x 145 November 19, 2025
  • 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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