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 5.6.1 (2020-12-03)

Regularly scheduled bug fix release.

1.1. extensions

1.2. unsorted

2. Mercurial 5.6 (2020-11-02)

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

3. Mercurial 5.5.2 (2020-10-02)

Regularly scheduled bug fix release.

3.1. commands

3.2. unsorted

4. Mercurial 5.5.1 (2020-09-01)

Regularly scheduled bug fix release.

4.1. bug fixes

5. Mercurial 5.5 (2020-08-03)

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

6. Mercurial 5.4.2 (2020-07-01)

Regularly scheduled bug fix release.

6.1. extensions

6.2. unsorted

7. Mercurial 5.4.1 (2020-06-15)

Regularly scheduled bug fix release.

7.1. commands

7.2. core

7.3. unsorted

8. Mercurial 5.4 (2020-05-01)

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

9. Mercurial 5.3.2 (2020-04-02)

Regularly scheduled bug fix release.

9.1. unsorted

10. Mercurial 5.3.1 (2020-03-04)

Regularly scheduled bug fix release.

10.1. commands

10.2. extensions

10.3. unsorted

11. Mercurial 5.3 (2020-02-03)

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

12. Mercurial 5.2 (2019-11-05)

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

12.1. Backwards Compatibility Changes

* The infinitepush extension is believed to be unused, and will be deleted at

* 'hg grep' now searches working copy file contents by default. We recognize

12.2. API Changes

* 'mercurial.hg.update*' and 'mercurial.merge.update' now expect a value from

* 'mercurial.hg.updatetotally' is now more thorough about checking its

* 'mercurial.bookmarks.bmstore' no longer has a convenience method for looking

12.3. commands

12.4. core

12.5. extensions

12.6. unsorted

12.7. Behavior Changes

12.8. Internal API Changes

13. Mercurial 5.1.2 (2019-10-02)

Regularly scheduled bug fix release.

13.1. extensions

13.2. tests

14. Mercurial 5.1.1 (2019-09-05)

Regularly scheduled bug fix release.

14.1. commands

14.2. core

14.3. tests

15. Mercurial 5.1 (2019-08-01)

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

15.1. commands

15.2. core

15.3. extensions

15.4. unsorted

15.5. Behavior Changes

15.6. Internal API Changes

16. Mercurial 5.0.2

A regularly scheduled bugfix release.

16.1. commands

16.2. unsorted

17. Mercurial 5.0.1

A regularly scheduled bugfix release.

17.1. commands

17.2. unsorted

18. Mercurial 5.0 (2019-05-01)

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

19. Mercurial 4.9.1 (2019-03-19)

A regularly scheduled bugfix release, late due to vacations and similar disruptions at the regular time.

19.1. commands

19.2. extensions

19.3. unsorted

20. Mercurial 4.9 (2019-02-01)

An overview of new features available. This is a regularly-scheduled quarterly feature release that also contains security fixes.

20.1. security

It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository. This has been fixed. Users on older versions can either disable subrepositories with [subrepos] allowed=false in their configuration or by ensuring any cloned repositories don't contain malicious symlinks.

20.2. commands

20.3. core

20.4. extensions

20.5. unsorted

20.6. Behavior Changes

20.7. Internal API Changes

21. Mercurial 4.8.2 (2019-01-07)

This is a regularly-scheduled bugfix release containing following fixes:

21.1. commands

21.2. core

21.3. extensions

21.4. unsorted

22. Mercurial 4.8.1 (2018-12-04)

A regularly scheduled bugfix release. Some security fixes are included, but all are expected to be low-risk.

22.1. commands

22.2. core

22.3. extensions

22.4. unsorted

23. Mercurial 4.8 (2018-11-02)

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

23.1. commands

23.2. core

23.3. extensions

23.4. hgweb

23.5. chg

23.6. unsorted

23.7. Behavior Changes

23.8. Internal API Changes

24. Mercurial 4.7.2 (2018-10-01)

This is a regularly-scheduled bugfix release containing following fixes:

24.1. security

Fix a potential out-of-bounds read in manifest parsing C code.

24.2. core

24.3. unsorted

25. Mercurial 4.7.1 (2018-09-04)

This is a regularly-scheduled bugfix release containing following fixes:

25.1. commands

25.2. core

25.3. hgweb

25.4. performance

26. Mercurial 4.7 (2018-08-01)

This is a regularly-scheduled quarterly feature release and has its own release notes page which can be found here Full release notes.

WhatsNew (last edited 2020-12-12 17:22:25 by Herman Tafintsev)