Release Notes

Features and bugfixes in our latest releases. Please see the Download page for links to source and binaries.

Note that Mercurial follows a time-based release plan with major releases every three months and minor (bugfix) releases on the first of every month (see TimeBasedReleasePlan).

{i} Be sure to read the upgrade notes when upgrading.

(See the archive for older versions)

1. Mercurial 4.2.1 (2017-6-4)

This is a regularly-scheduled bugfix release.

2. Mercurial 4.2 (2017-5-2)

An overview of new features available. This is a regularly-scheduled quarterly feature release.

2.1. Notable changes

2.2. commands

2.3. core

2.4. extensions

2.5. hgweb

2.6. Behavior changes

2.7. Internal API changes

3. Mercurial 4.1.3 (2017-4-18)

This is an out of cycle release to address a security issue:

4. Mercurial 4.1.2 (2017-4-3)

This is a regularly-scheduled bugfix release.

5. Mercurial 4.1.1 (2017-3-2)

This is a regularly-scheduled bugfix release.

6. Mercurial 4.1 (2017-2-1)

An overview of new features available. This is a regularly-scheduled quarterly feature release.

6.1. commands

6.2. core

6.3. extensions

6.4. hgweb

6.5. chg

6.6. Behavior Changes

6.7. Internal API Changes

7. Mercurial 4.0.2 (2017-01-04)

This is a regularly-scheduled bugfix release.

8. Mercurial 4.0.1 (2016-12-1)

This is a regularly-scheduled bugfix release.

9. Mercurial 4.0 (2016-11-1)

An overview of new features available. This is a regularly-scheduled quarterly feature release. Unlike other 4.0 software releases, this is simply 3.9 + .1, so it should be the usual pain-free upgrade.

9.1. commands

9.2. core

9.3. extensions

9.4. hgweb

10. Mercurial 3.9.2 (2016-10-1)

This is a regularly-scheduled bugfix release.

11. Mercurial 3.9.1 (2016-9-1)

This is a regularly-scheduled bugfix release.

12. Mercurial 3.9 (2016-8-1)

An overview of new features available.

12.1. commands

12.2. core

12.3. extensions

12.4. unsorted

13. Mercurial 3.8.4 (2016-7-01)

This is a regularly-scheduled bugfix release.

14. Mercurial 3.8.3 (2016-6-01)

This is a regularly-scheduled bugfix release.

15. Mercurial 3.8.2 (2016-5-16)

This is an unscheduled bugfix release. 3.8.1 contained a noisy deprecation warning that was only intended for Mercurial developers, sorry.

16. Mercurial 3.8 / 3.8.1 (2016-5-1)

(3.8.1 was released immediately after 3.8 to fix a release oversight.)

Regularly scheduled feature release. This release contains a low-priority security fix for:

CVE-2016-3105 Mercurial: arbitrary code execution when converting Git repos

There's also an overview of new features available.

16.1. commands

16.2. core

16.3. extensions

16.4. hgweb

16.5. unsorted

17. Mercurial 3.7.3 (2016-3-29)

This is an out of cycle release to address three security issues:

CVE-2016-3630 Mercurial: remote code execution in binary delta decoding

CVE-2016-3068 Mercurial: arbitrary code execution with Git subrepos

CVE-2016-3069 Mercurial: arbitrary code execution when converting Git repos

18. Mercurial 3.7.2 (2016-3-1)

This is a regularly-scheduled bugfix release.

19. Mercurial 3.7.1 (2016-2-3)

This addresses an urgent regression in compilation on Solaris and metadata handling for conversions.

20. Mercurial 3.7 (2016-2-1)

Regularly scheduled feature release. There's also an overview of new features available.

20.1. commands

20.2. core

20.3. extensions

20.4. hgweb

20.5. unsorted

21. Mercurial 3.6.3 (2016-1-1)

This is a regularly-scheduled bugfix release.

22. Mercurial 3.6.2 (2015-12-1)

This is a regularly-scheduled bugfix release.

23. Mercurial 3.6.1 (2015-11-9)

This is an out-of-cycle bugfix release for issues related to hooks.

24. Mercurial 3.6 (2015-11-1)

Regularly scheduled feature release.

24.1. commands

24.2. core

24.3. extensions

24.4. hgweb

24.5. unsorted

25. Mercurial 3.5.2 (2015-10-01)

Regularly-scheduled bugfix release.

26. Mercurial 3.5.1 (2015-09-01)

Regularly-scheduled bugfix release.

27. Mercurial 3.5 (2015-07-31)

Regularly-scheduled feature release.

27.1. commands

27.2. core

27.3. extensions

27.4. hgweb

27.5. unsorted

28. Mercurial 3.4.2 (2015-07-01)

29. Mercurial 3.4.1 (2015-06-01)

This is a regularly-scheduled bugfix release.

30. Mercurial 3.4 (2015-05-01)

This is a regularly-scheduled feature release.

30.1. commands

30.2. core

30.3. extensions

30.4. hgweb

30.5. unsorted