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 5.5.2 (2020-10-2)

Regularly scheduled bug fix release.

1.1. commands

1.2. unsorted

2. Mercurial 5.5.1 (2020-09-1)

Regularly scheduled bug fix release.

2.1. bug fixes

3. Mercurial 5.5 (2020-08-03)

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

4. Mercurial 5.4.2 (2020-07-1)

Regularly scheduled bug fix release.

4.1. extensions

4.2. unsorted

5. Mercurial 5.4.1 (2020-06-15)

Regularly scheduled bug fix release.

5.1. commands

5.2. core

5.3. unsorted

6. Mercurial 5.4 (2020-05-01)

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

7. Mercurial 5.3.2 (2020-04-02)

Regularly scheduled bug fix release.

7.1. unsorted

8. Mercurial 5.3.1 (2020-03-04)

Regularly scheduled bug fix release.

8.1. commands

8.2. extensions

8.3. unsorted

9. Mercurial 5.3 (2020-02-03)

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

10. Mercurial 5.2 (2019-11-05)

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

10.1. 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

10.2. 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

10.3. commands

10.4. core

10.5. extensions

10.6. unsorted

10.7. Behavior Changes

10.8. Internal API Changes

11. Mercurial 5.1.2 (2019-10-02)

Regularly scheduled bug fix release.

11.1. extensions

11.2. tests

12. Mercurial 5.1.1 (2019-09-05)

Regularly scheduled bug fix release.

12.1. commands

12.2. core

12.3. tests

13. Mercurial 5.1 (2019-08-01)

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

13.1. commands

13.2. core

13.3. extensions

13.4. unsorted

13.5. Behavior Changes

13.6. Internal API Changes

14. Mercurial 5.0.2

A regularly scheduled bugfix release.

14.1. commands

14.2. unsorted

15. Mercurial 5.0.1

A regularly scheduled bugfix release.

15.1. commands

15.2. unsorted

16. Mercurial 5.0 (2019-05-01)

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

17. Mercurial 4.9.1 (2019-03-19)

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

17.1. commands

17.2. extensions

17.3. unsorted

18. 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.

18.1. 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.

18.2. commands

18.3. core

18.4. extensions

18.5. unsorted

18.6. Behavior Changes

18.7. Internal API Changes

19. Mercurial 4.8.2 (2019-01-07)

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

19.1. commands

19.2. core

19.3. extensions

19.4. unsorted

20. 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.

20.1. commands

20.2. core

20.3. extensions

20.4. unsorted

21. Mercurial 4.8 (2018-11-02)

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

21.1. commands

21.2. core

21.3. extensions

21.4. hgweb

21.5. chg

21.6. unsorted

21.7. Behavior Changes

21.8. Internal API Changes

22. Mercurial 4.7.2 (2018-10-01)

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

22.1. security

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

22.2. core

22.3. unsorted

23. Mercurial 4.7.1 (2018-09-04)

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

23.1. commands

23.2. core

23.3. hgweb

23.4. performance

24. 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 2020-10-02 13:51:56 by PulkitGoyal)