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Release Notes

Be sure to read UpgradeNotes and, if relevant, API Changes.

(See archive for older versions. New versions will be released according to the time-based release plan.)

1. 1.5 - 2010-03-06

(This release makes a number of small behavior changes, be sure to read UpgradeNotes!)

1.1. Core

• improved behavior for named branches with heads command

• new XML output template for logs

• import extract multiple patches from emails, mboxes, files, and URLs

• new patch.eol=auto option to ignore patch line-endings while preserving target file endings.

• new -b/--branch option for clone, bundle, incoming, outgoing, pull, and push

• new server.validate option to validate completeness of pushed changesets

• subrepos now has basic Subversion support
• support for SSL server certificates and improved IPv6 support

• the HGPLAIN environment variable makes output more stable for scripts

1.2. Extensions

• new progress bar extension

• mq: new --mq option to make regular commands operate on queue repository

• mq: automatically upgrade conventional patches to git format where needed

• color: add support for bookmarks, resolve -l, and churn --diffstat

• convert: two CVS history editing hooks
• win32mbcs: add configuration to specify path encoding
• zeroconf: many bug fixes

• rebase: new --detach option for rebase

1.3. Web Interface

• improve navigation on log and graph pages
• support for pluggable authorization
• raw templates for tags/branches pages
• add wsgi script for Microsoft IIS with isapi-wsgi

1.4. Windows

• add WiX installer scripts to contrib/wix

• handle configuration files in <install-dir>\hgrc.d

• expand environment variables specified in merge tools paths

1.5. Help and Documentation

• greatly improve error messages and command documentation
• support extended documentation with --verbose
• provide help for disabled extensions and commands

2. 1.4.3 - 2010-02-01

This is a scheduled bugfix release.

• Mercurial license has changed from GPLv2 to GPLv2+
• speed up copy detection in merge, status, and diff
• templates: fix relative path expansion on style setting
• merge: fix merging of already-merged subrepos
• summary: fix i18n issue reporting clean working directories
• hgweb: improve IIS PATH_INFO handling
• relink: Windows support

3. 1.4.2 - 2010-01-01

This is a minor bugfix release.

3.1. core

• config: raise ConfigError on non-existing include files

• alias: do not crash when aliased command has no usage help text
• auth: allow specifying auth sections in .hg/hgrc
• patch: fix handling of chunk offsets
• subrepo: add default path to new clones
• docs: Fix rst2html detection

3.2. extensions

• convert/svn: better handling of hg recursive call failure
• convert/svn: make sink recover gracefully from empty changeset
• keyword: fix interaction with transplant
• mq: preserve --git flag when folding and merging patches
• mq: qnew -f rejects merge working directories
• mq: qpop: remove added files before re-adding removed files
• patchbomb: handle repository#rev URLs correctly
• share: use defaultdest to compute unspecified destination

4. 1.4.1 - 2009-12-01

4.1. regression fixes

• fix to prepush logic when it creates new heads
• fix qseries truncation

4.2. other

• doc fixes: formatting, missing options
• tests fixes (now less dependent on environment variables)
• inotify fixes
• keyword: allow RCSfile like CVS
• share: fix a bad interaction with clone
• show non-default branch names with summary -q

• new schemes extension

• i18n updates

5. 1.4 - 2009-11-16

5.1. core

• summary: new command summarizes current working state
• tags: new tag cache greatly speeds up tag operations

• diff: new --stat option to show diffstat

• diff: add --reverse option to diff

• subrepo: fix a bunch of issues with the experimental subrepo extension
• status: fixes for behavior when working with clock skew

• clone: new -u/--updaterev option

• templater: new latesttag and latesttagdistance keywords

• push/pull: handle some broken pipe errors during large transfers

• config: environment variables and ~user constructs are expanded in pathnames

5.2. hgweb

• fix for showing header lines in raw changeset diffs
• try to send better error messages to the client
• use config-supplied ordering by default in hgwebdir index pages

• add web.descend option to disable showing all nested repositories in hgwebdir

5.3. documentation and help

• new config help topic

• help texts are now written in reStructuredText format

• many translation updates including a new Swedish translation
• many help text updates and improvements

5.4. extensions

• mq: add -1 options to qapplied/qunapplied

• patchbomb: add a --flag option to set a flag value in the Subject header

• patchbomb: correctly handle Unicode domains (using the IDNA encoding scheme)
• color: improve colorization of the qseries command
• inotify: cleaner code, fixed pattern handling
• zeroconf: show repository descriptions
• rebase: some performance and correctness fixes
• extdiff: add 3-way diff for merge changesets
• convert: handle directory renaming in Darcs, fixed file renaming
• relink: new extension which helps people re-hardlink their clones

5.5. other

• contrib/shrink-revlog.py script that can significantly shrink some internal hg files
• work around non-standard locale settings on OS X

6. Version 1.3.1 - 2009-07-23

Regression fixes:

• fixed excessive memory usage issues with diff and strip
• fixed ssh performance issue on OS X
• fixed slow calculation of branch heads
• fixed handling of port numbers in URLs
• fixed transaction handling exception
• fixed incoming with graphlog extension
• fixed slow commit in fetch extension
• fixed loading of win32mbcs extension

Other fixes:

• fixed http username handling in acl extension
• fixed subrepo path joining on Windows
• allow update --check to cross branches
• miscellaneous small doc and bug fixes

7. Version 1.3 - 2009-07-01

7.1. Major Changes

• experimental support for sub-repositories

• Python 2.3 is no longer supported; now requires Python 2.4-2.6

7.2. Commands

• merge: add -P/--preview option
• update: don't unlink added files when -C/--clean is specified
• update: added -c/--check option to abort on local changes
• update: allow merges going backwards
• push: improved handling of named branches
• branches/heads: add a -c/--closed option to show closed branches
• help: new extensions topic

7.3. General

• add patch.eol config setting to work with cross-platform patches
• fixed support for SSL through proxies
• add ability to load hooks from arbitrary Python modules
• hide passwords for HTTP repositories in error and log output
• fix Python 2.6 support in the Windows installer
• add mechanism for specifying HTTP authentication details in hgrc
• prompts and choices are now shown even in non-interactive mode
• performance improvements, especially on Windows
• much improved zsh completion
• improved Danish, Japanese, Italian and simplified Chinese translations
• new German, French, Greek, Brazilian Portuguese and traditional Chinese translations

7.4. Web interface

• read configuration data from webdir configs
• add branches page to hgweb
• pluggable templater engine support
• refresh hgwebdir configuration periodically
• let web.encoding override ui.encoding setting
• deal with dicts/lists like webdir config paths

7.5. Extensions

• experimental share extension

• the alias extension has been moved into core
• mq
  • add -P/--push option to qimport
  • numerous bug fixes
• convert
  • improved source detection
  • support for comments in author maps
  • add branch map support
  • add different ordering options
  • svn: support OS-specific authn providers
  • svn: improved tag support
  • git: add committer tag only when needed
  • bzr: fix renaming support
  • bzr: add support for filemaps
  • bzr: handle timestamps correctly
  • bzr: fix symlink handling
  • bzr: restore paths to source encoding
  • cvs: add support for CVS merge(point)s
  • cvs: add support for synthetic revisions
  • cvs: better support for branchpoints
  • cvs: deprecate use of external cvsps
  • mtn: improve renaming support
  • mtn: support mtn database files as source
  • mtn: improve date/time support
  • p4: better handling of keywords, binary files and symlinks
• rebase
  • don't lose copy/rename info
  • keep original mq patch format
• zeroconf
  • advertise repositories by hostname
  • try to guess IP address if necessary
• patchbomb
  • option to set attachment name
  • support for In-Reply-To header
• inotify
  • fix handling of untracked files moved out of repository
  • fix support for directory deletion
• acl: now works with push over https

8. Version 1.2.1 - 2009-03-20

This is a bugfix release.

• fixed version number build from tarball
• fix allow_read logic for hgweb
• improve handling of damaged revlogs in verify
• keep .orig files when resolving
• clear resolve state properly when rebasing
• improve --command handling with bisect
• fix diff against bundles
• improve fetch logic for inactive branches
• fix diffstat with notify
• fix 'synthetic file adds' in CVS conversion

9. Version 1.2 - 2009-03-04

This is a larger feature release.

General features:

• explicit closing of named branches via hg commit --close-branch
• hg now accepts options given after arguments on the commandline
• added translation support with initial Danish, Chinese, Japanese, and Italian translations
• added optional pure-Python versions of C modules
• pending changesets can now be accessed safely from hooks
• diff: added -c option to show single changeset
• many improvements to the documentation and online help topics

Extensions:

• convert:
  • new support for perforce sources
  • improvements to handling cvs sources
  • improvements to handling gnu arch source
  • improvements to handling darcs sources
• bookmarks:
  • set current to new when current is renamed
  • bookmarks: Add track.current option
  • bookmarks: add bookmarks to tags
• mq: allow qpop when it won't invalidate any dirstate parents
• patchbomb: respect diff settings
• rebase: pull --rebase updates if there is nothing to rebase
• bugzilla: updated to work with Bugzilla 3.2
• zeroconf: added more documentation
• hgk: add several color settings
• the imerge extension has been removed (obsoleted by the resolve command)

10. Version 1.1.2 - 2008-12-31

This is a minor release including one security fix and two minor bug fixes

• improve path auditing (issue 1450)
• fix date-related test failures in test suite
• add graph controls to monoblue theme

11. Version 1.1.1 - 2008-12-20

This is a bugfix release

• make hgweb recursion optional (use '**' rather than '*')
• fix fncache bug for directories ending in ' ' or '.'
• require -a switch to resolve all files
• improve help for resolve command
• fix inotify interaction with bundle diffs
• fix strange readline import error on Windows
• fix non-existing target directory with git diffs
• fix removing symlinks with git diffs
• fix directory creation bug in patch
• rebase: allow keeping branch names
• fix a copy bug in the SVN converter

12. Version 1.1 - 2008-12-2

This is a larger feature release.

General:

• Added 'resolve' command for better tracking of in-progress merges
• Several speedups for status and diff commands (especially on Windows)
• Some modules have been rewritten in C for greater speed
• Compatibility with Python 2.6
• Improved correctness in the face of casefolding filesystems
• Fixed a possible race condition in pull
• Fix support for context-size diff settings
• Fixed several crashes on Windows related to code freezing
• Don't complain when trying to load extensions twice
• Allow C extensions to compile on Haiku
• Allow for committing in-memory file contents
• New repository format which limits path lengths in the store
• Unclutter commands list by extracting extension commands into separate lists
• static-http support is now a fallback for the general http support
• Add some buffering to the templater
• Better documentation on git diffs

Web interface:

• Add a canvas-based repository graph
• New and improved hgweb themes: paper, coal and monoblue
• paper is now the new default style; the old default is now called 'spartan'
• Better WSGI compliance
• Collections now show nested repos (best used without a checkout)
• diffs are more sensible, follow diff.git settings
• Full author name available in annotate templates
• Make it easier to add template paths in extensions
• Support for allow_read/deny_read access controls
• Working diff and file log for removed files
• Better alternative for repository collections
• Corrected feed link in gitweb theme
• Fix a bug with CGIs running under IIS

Commands:

• commit: print the revision ID when invoked with --verbose
• resolve: new command to help keep track of merges
• merge: only implicitly select same-branch heads
• export: append instead of overwrite when exporting multiple changesets
• bundle: added support for different compression types
• rollback: clean up empty files
• help: several more sections from the manual are available through hg help now
• bisect: better documentation, give better feedback, option for scripted testing
• branch: allow for resetting current branch name
• patch: add a --similarity option to do rename/copy detection
• tag: without a checkout, use tip as the tagging revision's parent
• log: allow searching by user (with -u)
• import: importing from URL now works with http authentication
• unbundle: importing from URL now works
• pull: with -u, still update if there's only one head on the current branch
• diff: fix a problem with the --showfunc option

Extensions:

• rebase: new extension to support rebasing changesets
• bookmarks: new extension to provide (local-only) git-like branches
• zeroconf: new extension to support publishing repositories through Zeroconf/Bonjour

• hgcia: new extension to facilitate communication with CIA

• mq:
  • qfinish: added command for conversion of patches into changesets
  • qpush/qgoto: gracefully abort when encountering guards
  • qrefresh: don't lose work when interrupted
  • qimport: allow for importing patches from URLs
  • qnew: abort early if patch already exists, be more careful in general
  • qdiff: now supports all diff options
  • qfold: more tolerance of file removals, better handling of commit messages
  • import: prevent import from working when patches are applied
• convert:
  • added support for conversion from bzr repositories
  • incorporate an improved Python version of cvsps, replacing the external cvsps tool (see upgrade notes)
  • compatibility with recent git releases
  • add an option to start from an arbitrary revision
  • correctly encode characters in Subversion repository URLs
  • better, more tolerant tags detection
• highlight:
  • remove need to pre-generate CSS stylesheet
  • compatibility with older Pygments versions
  • make the lexer guessing faster by not reading all of the file
  • allow demandimport to load it incrementally
• fetch: improve support for named branches
• graphlog:
  • now adds --graph options to log, incoming and outgoing
  • fix calls from outside the repository
• inotify:
  • many bugfixes, should work much better
  • daemon is automatically started by default
• color:
  • add colorization of diffs
  • add --color options to many commands
• keywords: be more careful about expanding binary files
• bugzilla: added support for Bugzilla 3.0
• pager: allow per-command configuration
• hgk: display branch names for revisions
• churn: support for templated statistics report generation
• patchbomb: charset encoding can now be configured
• notify: charset encoding can now be configured

13. Version 1.0.2 - 2008-08-13

This is a relatively small bugfix release with two security fixes.

Security:

• ensure that git patches only touch files within the repository (CVE-2008-2942)

• hgweb: fix "allowpull" permission being ignored when pulling from hgweb

General:

• commit: handle copies of previously deleted files (issue 1175)
• bisect: allow for having multiple resulting changesets
• fix Python 2.3 compatibility
• make mq patches and .hgtags hardlink-safe again
• various documentation improvements and fixes
• fix a crash when addremove was called to replace a deleted directory with a symlink
• make branches output easier to parse (issue 1230)
• fix inactive branches detection (issue 1104)
• hgweb: fix a crash in archive when the URL did not end in an expected archive type
• sshserver: fix a crash in error handling code
• fix the patchbomb extension on Windows by including email package in binary installations
• handle symlinks when OS supports them but FS doesn't (issue 1149)

Extensions:

• mq:
  • fix qrefresh losing metadata on the last refreshed file (issue 1134)
  • fix a crash when renaming a patch just after a versioned queue initialization
  • fix the path of an explicitly specified queue when merging patches
  • strip now updates the working directory only if a parent was stripped
• convert:
  • CVS: fix a crash when converting an existing working copy
  • monotone: fix quotes and backslashes parsing when reading commit messages
  • Subversion: correctly normalize paths and slashes
  • Subversion: fix compatibility with Subversion 1.5
  • git: allow converter to work with recent git releases
• color:
  • get coloring for qseries --verbose output
  • improve mq extension detection
  • reset coloring before and after outputting colorized lines
• highlight: fix a performance issue when detecting file types from large files
• notify: take the diff options into account

14. Version 1.0.1 - 2008-05-22

This is a relatively small bugfix release.

General:

• several improvements in file copying implementation
• allow different default value for diff.unified option
• allow explicit use of internal merge tools

Commands:

• rename: doesn't unlink source file with --after
• backout: reverse changeset belongs on current branch

Extensions:

• convert:
  • svn: improved detection of tags (has also become optional)
  • svn: improved branch handling
  • svn: better detection of file copies
• mq:
  • expand terse command help texts
  • fix unimplemented qdiff -U option
• highlight: fix compatibility with older Pygments (0.5.1)
• churn: allow whitespaces as delimiter in aliases
• pager: disable when used with --debugger

15. Version 1.0 - 2008-03-24

General:

• greatly improved merge tool configuration, see "hgrc.5.txt" for details

• improved copy/rename handling in diffs, status, and merge
• files in .hg inherit permissions from .hg/store
• infer --repository when possible, so commands may be run from anywhere.
• easy-installable
• new "droplet" logo

Commands:

• archive: disable ".hg_archival.txt" file addition with "ui.archivemeta"
• bisect: now built-in with greatly improved performance and usability
• bundle: new --all option to bundle the whole repository more easily.
• cat: apply decode filters with --decode
• clone: can clone from a full-history bundle
• commit: warn when creating a new head
• debugancestor: index argument is now optional
• diff: set the number of context line to show with -U/--unified
• grep: display matched revisions commit date with --date
• import: new --no-commit and --user options
• incoming/outgoing: add --limit option
• log: use -b/--only-branch to show revisions of a single branch
• remove: improve handling for --after
• revert: major speedup
• serve: prefix the served path with --prefix (also in [web] section)
• status: unknown files are skipped by --quiet
• tag: allow multiple tags to be added or removed
• tags: --verbose flags local tags
• update: switch between named branches without -C

Extensions:

• churn: promoted to an official extension (previously in contrib)
• color: new extension coloring "status" and "qseries" command outputs
• convert:
  • allow synthetic history to be spliced in with --splicemap
  • support GNU Arch and Monotone sources
  • svn: allow shallow conversions of single branches with convert.svn.startrev option.
  • svn: make trunk/branches/tags layout detection more flexible by allowing either of them to be skipped.
  • svn: preliminary support as a conversion target
• hgk: configuration file changed from .gitk to .hgk
• highlight: new extension enabling syntax highlighting in hgweb file view (requires pygments)
• inotify: new extension using Linux 2.6 inotify API for instant status checking
• keyword: new extension for filewise RCS-keyword expansion in working directory
• mq: new --currentdate, --date, --currentuser, and --user options
• record: add "qrecord" command when used with mq
• win32mbcs: new extension dealing with problematic MBCS behavior on Windows

Web interface:

• improved WSGI integration and compatibility
• follow symlinks in hgwebdir collections
• show branches in most of gitweb templates
• add line anchors to annotate, changeset, diff and file views
• support web.baseurl in hgwebdir, overriding SCRIPT_NAME

Hooks:

• standard hook to reject text files with CRLF in win32text extension
• redirect stdout to stderr for ssh and http servers

Windows support:

• "hg" script output set to binary mode for redirecting diff, export, annotate, etc.
• also search for .hgrc if mercurial.ini cannot be found
• major speedup of "clone --pull"

16. Version 0.9.5 - 2007-10-19

New features:

• Handle symlinks on systems without symlink support
• hg archive supports symlinks

• Display executable/symlink bit with "hg manifest -v" (see UpgradeNotes)

• Improved hg verify diagostics
• Faster revlog handling
• Faster handling of large directories
• Greatly improved handling of large files
• Atom syndication support in hgweb
• Improved test suite with parallel execution

Fixes:

• Fixes for some file copy and rename corner cases
• Allow moving newly-added files before commit
• Improve hg diff whitespace handling
• Disallow fast-forward merge with an ancestor
• Fix adding untracked files on directory renames
• Fix hg archive %r format specifier
• Fix re: and glob: patterns in .hgignore
• Improve hg executable path resolution
• Many options and hgrc parsing improvements
• Better handling of VFAT filesystems on Linux
• Fix tgz archival on Windows
• Fix hg serve on Windows requiring pywin32 modules
• Fix --profile under Windows

New extensions:

• alias - allow user-defined command aliases
• children - show the children of the given or working dir revision
• imerge - incremental interactive merging

• interhg - modify changelog text as in InterWiki

• record - darcs-style interactive change selection during commit

New extension features:

• convert
  • Now supports Subversion, Darcs and Mercurial as source SCMs
  • Use clone's behaviour for the default destination name
  • Force encoding to UTF-8 for converted repository
  • Support new-style .cvspass file format
  • Filter the files and directories to import
  • Remap paths to new locations during import
• hgk
  • Fix hgk stopping because of untrusted repository warnings
  • Handle filenames with spaces
  • Improved documentation
• mq
  • Autodetect --git patches on qrefresh

17. Version 0.9.4 - 2007-06-25

New features:

• support for symlinks
• improved tag handling
• improved merge handling of file and directory renames
• improved named branch usability
• numerous improvements to commands
• generic pre- and post-command hooks
• improved Windows support
• basic BeOS and OpenVMS support
• numerous bug fixes

New extensions and contributions:

• extensions can now be specified in .hg/hgrc
• new convert extension with CVS support
• new graphlog extension
• improved patchbomb extension
• example FastCGI script