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).

Be sure to read the upgrade notes when upgrading.

(See archive for older versions

1. Mercurial 3.0-rc (2014-04-17)

Preliminary release notes for Mercurial 3.0.

• amend: invoke editor forcibly when "--edit" option is specified
• backout: don't limit heritage check to a single ancestor
• backout: improve confusing 'cannot backout change on a different branch' abort
• branchmap: log events related to branch cache
• bundle2: experimental support for bundle2
• caches: invalidate store caches when lock is taken
• cat: support cat with explicit paths in subrepos
• clone: abort if default destination has no meaningful name (BC)
• clone: put streaming clones in a transaction
• cmdserver: allow to start server without repository
• cmdserver: reload mq on each runcommand request to avoid corruption

• color: add debugcolor command (issue4094)

• commands: add -T alternative to --template

• commands: hg debuginstall checks missing templates (issue4151)

• commit: --edit/-e to force edit of otherwise-supplied commit message
• config: add --global and --local flags
• config: add initial implementation of --edit
• context: tell when .ancestor picks one of multiple common ancestors heads
• convert: avoid updating tags when there is nothing new
• convert: compare tags from all heads instead of just one
• convert: replace old sha1s in the description

• debuginstall: add Python information to debuginstall output (issue4128)

• demandimport: make it possible to disable by setting HGDEMANDIMPORT=disable

• diff: use second filename for --stat reporting on git patches (issue4221)

• dirstate: report bad subdirectories as match.bad, not just a warning (BC)
• extensions: mark win32text deprecated
• extensions: remove interhg
• extensions: remove the inotify extension (BC)

• extensions: use normpath to allow trailing '\' on Windows (issue4187)

• fncache: clean up fncache during strips
• hgweb: adding metadata to atom and rss feed entries
• histedit: select the lowest rev when looking for a root in a revset (bc)

• http: reuse authentication info after the first failed request (issue3567)

• journal: report parsing errors on recover/rollback (issue4172)

• largefiles: changed overridelog to work with graphlog
• largefiles: don't prompt when one side of merge was changed but didn't change
• log: changed implementation to use graphlog code
• merge: experimental implementation of bid merge

• parsers: fail fast if Python has wrong minor version (issue4110)

• phases: apply publishing enforcement for "serve" source

• push: provide a hint when no paths are configured (issue3692)

• qimport: allow importing URLs

• rebase: do not raise an UnboundLocalError when called wrong (issue4106)

• require: provide a link to a wiki page in addition of suggesting upgrade

• revlog: deal with chunk ranges over 2G on Windows (issue4215)

• revset: add 'only' revset
• revset: new implementation with incremental evaluation
• revset: try to handle hyphenated symbols if lookup callback is available
• setup.py: fix C extension compilation issue with OS X 10.9 and Xcode 5.1
• sshpeer: only print out 'running ssh' messages in debug mode (BC)

• subrepo: check return code for git push (issue4223)

• template: add ifcontains template function
• template: add pad function for padding output
• template: add revset() template function
• template: add shortest(node) template function
• template: add flexible -T option
• win32: improve the performance of win32.unlink() over CIFS

2. Mercurial 2.9.2 (2014-04-01)

This is a regularly-scheduled bugfix release.

• amend: save commit message into ".hg/last-message.txt"

• backout: correct commit status of no changes made (BC) (issue4190)

• backout: document return code of merge conflict
• commit: create new amend changeset as secret correctly for "--secret" option

• commit: propagate --secret option to subrepos (issue4182)

• convert: more clear documentation of the 'include' default of a 'include .'

• dispatch: only do import(debugger) when a debugger is requested

• log: solves bug regarding hg log -r 0:null (issue4039)

• hg: introduce "wirepeersetupfuncs" to setup wire peer by extensions (issue4109)

• hg: use "os.path.join()" to join path components which may be empty (issue4203)

• histedit: save manually edited commit message into ".hg/last-message.txt"
• localrepo: save manually edited commit message as soon as possible

• merge: fix lack of "%s" in format string causing TypeError at runtime

• paper: overlapping of section title on help pages (issue4051)

• phase: say "Returns 0" instead of "Return 0" like other command help
• qfold: save manually edited commit message into ".hg/last-message.txt"
• qnew: save manually edited commit message into ".hg/last-message.txt"
• rebase: use "commitforceeditor" instead of "ui.edit()" for "--collapse"
• revset: document the regular expression support for tag(name)
• subrepo: add trailing newlines to warnings
• subrepo: convert matched string to integer before comparing Git version
• subrepo: only retrieve the first two components of the Git version
• tag: save manually edited commit message into ".hg/last-message.txt"
• templater: apply "stringify()" on sub expression to get string correctly
• templater: avoid recursive evaluation of string literals completely
• templater: make strings in template expressions be "string-escape"-ed correctly
• templater: raise error for unknown function

3. Mercurial 2.9.1 (2014-03-01)

This is a regularly-scheduled bugfix release.

• coal: hgweb style adds extra blank line in file view (issue4136)

• hg.openpath: use url.islocal to tell if the path is local (issue3624)

• hgweb: hack around mimetypes encoding thinko (issue4160)

• hooks: only disable/re-enable demandimport when it's already enabled
• merge: add "other" file node in the merge state file
• merge: audit the right destination file when merging with dir rename
• merge: don't overwrite file untracked after remove, abort with 'untracked files'
• merge: record the "other" node in merge state
• pathencode: eliminate signed integer warnings

• pull: close peer repo on completion (issue2491) (issue2797)

• purge: avoid duplicate output for --print (issue4092)

• rebase: do not try to reactivate deleted divergent bookmark

• resolve: use "other" changeset from merge state (issue4163)

• verify: do not prevent verify repository containing hidden changesets

4. Mercurial 2.9 (2014-02-01)

This is a regularly-scheduled feature release.

• aliases: make "_checkshellalias()" invoke "findcmd()" with "strict=True"
• backout: add a message after backout that need manual commit
• backout: avoid update on simple case
• bash_completion: add completion for deleting a shelve
• bash_completion: add global support for -B|--bookmark
• bash_completion: add global support for -b|--branch
• bisect: --command without --noupdate should flag the parent rev it tested

• bookmarks: allow push -B to create a new remote head (issue2372)

• branchmap: cache open/closed branch head information
• cat: increase perf when catting single files
• changectx: increase perf of walk function

• clone: do not turn hidden changeset public on publishing clone (issue3935)

• convert: use branchmap to change default branch in destination (issue3469)

• date: allow %z in format (issue4040)

• diff: search beyond ancestor when detecting renames
• hgweb: infinite scroll support for coal, gitweb, and monoblue styles
• merge: consider successor changesets for a bare update
• patch: add support for git delta hunks

• phase: properly compute ancestors of --rev on push (issue3786)

• rebase: abort cleanly when we encounter a damaged rebasestate (issue4155)

• rebase: do not crash in panic when cwd disapear in the process (issue4121)

• record: --user/-u now works with record when ui.username not set (issue3857)

• record: re-enable whitespace-ignoring options

• relink: abort earlier when on different devices (issue3916)

• strip: add faster revlog strip computation
• subrepo: check phase of state in each subrepositories before committing
• subrepo: make it possible to update to hidden subrepo revisions
• subsettable: move from repoview to branchmap, the only place it's used

• templater: selecting a style with no templates does not crash (issue4140)

• update: consider successor changesets when moving active bookmark

• url: added authuri when login information is requested (issue3209)

5. Mercurial 2.8.2 (2014-01-01)

This is a regularly-scheduled bugfix release.

• fileset, revset: do not use global parser object for thread safety

• hgweb: avoid initialization race (issue3953)

• mpatch: rewrite pointer overflow checks

6. Mercurial 2.8.1 (2013-12-01)

This is a regularly-scheduled bugfix release.

• bookmarks: consider successor changesets when moving bookmark (issue4015)

• contrib: don't mention obsolete graphlog extension in mercurial.ini
• contrib: promote strip extension over MQ in sample.hgrc
• contrib: stop mentioning obsolete graphlog extension in sample.hgrc
• convert: fix svn crash when svn.ra.get_log calls back with orig_paths=None
• help: fix backwards bisect help example
• help: use progress instead of mq as in 'hg help config' example

• hgk: fix tag list parser (issue4101)

• hgweb: ignore non numeric "revcount" parameter values (issue4091)

• histedit: hold wlock and lock while in progress
• largefiles: cache largefiles for update, also without printmessage
• largefiles: don't crash on 'local renamed directory' actions
• merge: move forgets to the beginning of the action list
• minirst: do not interpret a directive as a literal block
• minirst: find admonitions before pruning comments and adding margins
• obsolete: stop doing membership test on list

• parse_index2: fix crash on bad argument type (issue4110)

• phase: better error message when --force is needed

• rebase: fix rebase aborts when 'tip-1' is public (issue4082)

• rebase: fix working copy location after a --collapse (issue4080)

• share: fix unshare calling wrong repo.init() method

• shelve: fix bad argument interaction with largefiles (issue4111)

• shelve: unshelve using an unfiltered repository

• strip: fix last unprotected mq reference (issue4097)

• strip: hold wlock for entire duration
• subrepo: sanitize non-hg subrepos

• templater: fix escaping in nested string literals (issue4102)

• templater: makes branches work correctly with stringify (issue4108)

• templater: only recursively evaluate string literals as templates (issue4103)

• unshelve: add tests for unknown files

• unshelve: don't commit unknown files during unshelve (issue4113)

• util: url keeps backslash in paths
• util: warn when adding paths ending with \

7. Mercurial 2.8 (2013-11-01)

This is a regularly scheduled feature release.

7.1. Core features

• hgweb: add revset syntax support to search
• hgweb: always run search when a query is entered (BC)
• hgweb (paper theme): add infinite scrolling to graph
• hgweb: show full date in rfc822 format in tooltips at shortlog page

• proxy: allow wildcards in the no proxy list (issue1821)

• pull: for pull --update with failed update, print hint if any
• rebase: preserve working directory parent (BC)

• sslutil: add a config knob to support TLS (default) or SSLv23 (BC) (issue4038)

• templatefilters: add short format for age formatting
• templater: support using templates with non-standard names from map file
• update: add error message for dirty non-linear update with no rev
• addremove: don't do full walks
• log: make file log slow path usable on huge repos
• subrepo: let the user choose to merge, keep local or keep remote subrepo revisions

7.2. Extension features

• convert-internals: introduce hg.revs to replace hg.startrev and --rev with a revset
• convert-internals: update source shamap when using filemap, just as when not using filemap
• factotum: clean up keychain for multiple hg repository authentication
• histedit: abort if there are multiple roots in "--outgoing" revisions

• mq: extract strip function as its standalone extension (issue3824)

• mq: look for modified subrepos when checking for local changes
• rebase: remove bailifchanged check from pullrebase (BC)
• shelve: add a shelve extension to save/restore working changes

7.3. Fixes

• pager: honour internal aliases

• patch: ensure valid git diffs if source/destination file is missing (issue4046)

• patch: Fix nullid for binary git diffs (issue4054)

• progress: stop getting stuck in a nested topic during a long inner step

• rebase: handle bookmarks matching revset function names (issue3950)

• rebase: preserve active bookmark when not at head (issue3813)

• rebase: preserve metadata from grafts of changes (issue4001)

• rebase: fix selection of base used when rebasing merge (issue4041)

• ui: send password prompts to stderr again (issue4056)

8. Mercurial 2.7.2 (2013-10-01)

Regularly scheduled bugfix release. This fixes significant regressions from 2.7 in push/pull performance and SSL negotiation.

• bundle: fix performance regression when bundling file changes (issue4031)

• generaldelta: initialize basecache properly
• help: use full name of extensions to look up them for keyword search
• histedit: abort if there are multiple roots in "--outgoing" revisions
• histedit: add more detailed help about "--outgoing"
• histedit: suggest "histedit --abort" for inconsistent histedit state

• httpclient: apply upstream revision da7579b034a4 to fix SSL problems (issue4038)

• rebase: catch RepoLookupError at restoring rebase state for abort/continue

• rebase: catch RepoLookupError at restoring rebase state for summary

• repoview: have unfilteredpropertycache using the underlying cache
• repoview: make propertycache.setcache compatible with repoview
• revset: fix wrong keyword() behaviour for strings with spaces

• sslutil: backed out changeset 074bd02352c0 (issue4038)

• strip: set current bookmark to None if stripped

9. Mercurial 2.7.1 (2013-09-03)

Regularly scheduled bugfix release.

• rebase: handle bookmarks matching revset function names (issue3950)

• tags: write tag overwriting history also into tag cache file (issue3911)

10. Mercurial 2.7 (2013-08-01)

Regularly scheduled feature release. This release contains an important fix for a merge ancestor calculation regression in the 2.6 series.

10.1. Core features

• bookmarks: allow bookmark command to take multiple arguments

• commands: add checks for unfinished operations (issue3955)

• commit: enable --secret option
• hgweb: run search instead of showing wrong error for ambigious identifier

• import: cut commit messages at --- unconditionally (issue2148)

• log: add a log style that is default+phase (issue3436)

• paper: add line wrapping switch to file source view
• paper: code selection without line numbers in file source view
• paper: highlight line which is linked to in source view

• revert: make backup when unforgetting a file (issue3423)

• rollback: mark as deprecated

• sslutil: force SSLv3 on Python 2.6 and later (issue3905)

• summary: augment output with info from extensions
• templater: add strip function with chars as an extra argument
• log: show style list when unknown style specified
• tip: deprecate the tip command

• update: add tracking of interrupted updates (issue3113)

10.2. Extension features

• churn: split email aliases from the right

• histedit: refuse to edit history that contains merges (issue3962)

• convert: improve error handling when parsing splicemap (issue2084)

• convert: support paths with spaces in splicemap (issue3844)

10.3. Fixes

• ancestor: Fix a reference counting bug in the C version (issue3984)

• bookmarks: update only proper bookmarks on push -r/-B (issue 3973)

• bookmarks: pull --update updates to active bookmark if it moved (issue4007)

• changegroup: fix fastpath during commit

• checklink: work around sshfs brain-damage (issue3636)

• convert: catch empty origpaths in svn gettags (issue3941)

• convert: fix bad conversion of copies when hg.startrev is specified

• convert: handle changeset sorting errors without traceback (issue3961)

• hgweb: fix incorrect way to count revisions in log (issue3977)

• histedit: don't clobber working copy on --abort if not on histedit cset

• largefiles: overridematch() should replace the file path instead of extending (issue3934)

• progress: respect HGPLAIN
• rebase: allow aborting when descendants detected

• rebase: continue abort without strip for immutable csets (issue3997)

• rebase: don't clobber wd on --abort when we've updated away (issue4009)

• revlog: handle hidden revs in _partialmatch (issue3979)

11. Mercurial 2.6.3 (2013-07-01)

This is a regularly-scheduled bugfix release.

• commit: amending with --close-branch (issue3445)

• doc: make it easier to read how to enable extensions
• doc: reword "config file" to "configuration file"
• docs: change description to synopsis in hgrc.5

• histedit: raise ImportError when demandloading is enabled

• pathencode: fix hashmangle short dir limit (issue3958)

• update: remove .hg/graftstate on clean (issue3970)

12. Mercurial 2.6.2 (2013-06-01)

This is a regularly-scheduled bugfix release.

• amend: complain more comprehensibly about subrepos
• blackbox: fix blackbox causing exceptions in tests

• blackbox: fix recording exit codes (issue3938)

• dirstate: don't overnormalize for ui.slash

• graft: refuse to commit an interrupted graft (issue3667)

• help: fix role/option confusion in RST
• help: stop documentation markup appearing in generated help

13. Mercurial 2.6.1 (2013-05-14)

This is an unscheduled bugfix release to address some minor regressions in the 2.6 release.

• convert: fix bug of wrong CVS path parsing without port number (issue3678)

• help/config: note 64-bit Windows registry key used with 32-bit Python

• hfs+: rewrite percent-escaper (issue3918)

• hgignore: fix regression with hgignore directory matches (issue3921)

• highlight: fix page layout with empty first and last lines
• largefiles: check existence of the file with case awareness of the filesystem
• largefiles: check unknown files with case awareness of the filesystem
• pathencode: grow buffers to increase safety margin

• revert: ensure that copies and renames are honored (issue3920)

• subrepo: open files in 'rb' mode to read exact data in (issue3926)

• windows: check target type before actual unlinking to follow POSIX semantics

14. Mercurial 2.6 (2013-05-01)

This release has known issues with some ignore rules (issue3921) and subrepos on Windows (issue3926)

This is a regularly scheduled feature release.

14.1. Core features

• amend: support amending merge changesets (issue3778)

• archive: raise error.Abort if the file pattern matches no files
• bash_completion: allow remove to complete normal files
• bookmarks: allow (re-)activating a bookmark on the current changeset
• bookmarks: don't allow integers as bookmark/branch/tag names
• bookmarks: moving the active bookmark deactivates it
• bookmarks: resolve divergent bookmarks when moving active bookmark forward
• bookmarks: resolve divergent bookmark when moving across a branch
• commit: show active bookmark in commit editor helper text
• config: discard "%unset" values defined in the other files read in previously

• dates: support 'today' and 'yesterday' in parsedate (issue3764)

• date: understand "now" as a shortcut for the current time
• dispatch: print 'abort:' when a pre-command hook fails (BC)
• dispatch: return status is 1 and a nice error message is printed when a user intervention is required (BC)

• export: clobber files with -o (BC) (issue3652)

• export: export working directory parent by default
• export: show 'Date' header in a format that also is readable for humans
• filesets: add eol predicate
• hgweb: generate documentation as HTML (previously as text)
• hgweb: teach archive how to download a specific directory or file
• merge: apply non-interactive working dir updates in parallel
• mergetools: avoid losing the merged version with meld
• mergetools: vimdiff issues a warning explaining how to abort
• sslutil: abort if peer certificate is not verified for secure use

• summary: make "incoming" information sensitive to branch in URL (issue3830)

• summary: make "outgoing" information sensitive to branch in URL (issue3829)

• summary: show active bookmark even if not at current changeset

• templatekw: add default styles for hybrid types (issue3887)

• templater: add get() function to access dict element (e.g. extra)
• addremove: improve performance
• ancestor: a new algorithm that is faster for nodes near tip
• dirstate: performance improvements
• grep: use re2 if possible
• parsers: a C implementation of the new ancestors algorithm
• scmutil: rewrite dirs in C, use if available

• tags: update tag type only if tag node is updated (issue3911)

14.2. Extension features

• blackbox: new extension
• hgk: add support for phases
• hgk: don't use fixed format for dates
• hgk: update backgroud colour when Ttk is available
• histedit: allow "-" as a command file

• histedit: handle multiple spaces between action and hash (issue3893)

• histedit: make "hg histedit" sensitive to branch in URL
• histedit: properly handle --continue on empty fold

• histedit: support editing of the first commit (issue3767)

• interhg: feature integrated in core. Extension removed.
• largefiles: don't cache largefiles for pulled heads by default
• largefiles: improve reuse of HTTP connections
• largefiles: introduce lfpull command for pulling missing largefiles
• largefiles: introduce pulled() revset expression for use in --lfrev
• largefiles: introduce pull --lfrev option

• largefiles: quiet (and document) undefined name errors (issue3886)

• largefiles: stat all largefiles in one batch before downloading

• largefiles: use repo.wwrite for writing standins (issue3909)

• mq: comply with filtering when injecting fake tags (issue3812)

• mq: do not inherit settings form base repo in mqrepo (Fixes issue2358)

• rebase: check no-op before checking phase (issue3891)

• rebase: fix --collapse when a file was added then removed
• smtp: use 465 as default port for SMTPS
• smtp: verify the certificate of the SMTP server for STARTTLS/SMTPS

• subrepo: clone of git sub-repository creates incorrect git branch (issue3870)

• subrepo: do not push mercurial subrepos whose store is clean
• subrepo: fix exception on revert when "all" option is omitted

14.3. Fixes

• annotate: increase refcount of each revision correctly (issue3841)

• applyupdates: assign variable before we try to use it (issue3855)

• bookmarks: allow moving a bookmark forward to a descendant
• bookmarks: fix bug that activated a bookmark even with -r passed
• case collision: Avoid unexpectd case folding issue during merge that should succeed (Bts: issue3452)
• commit: allow closing "non-head" changesets

• convert/git: catch errors from modern git-ls-remote (issue3428)

• destroyed: invalidate phraserevs cache in all case (issue3858)

• diff: fix binary file removals in git mode
• http: avoid large text dumps when remote url is not a repo

• import: don't rollback and unrelated transaction on failed import --exact (issue3616)

• log: fix behavior with empty repositories (issue3497)

• outgoing: fix possible filtering crash in outgoing (issue3814)

• pager: catch ctrl-c on exit (issue3834)

• record: abort on malformed patches instead of crashing

• revset: change ancestor to accept 0 or more arguments (issue3750)

• revset: don't abort when regex to tag() matches nothing (issue3850)

• scheme: don't crash on invalid URLs
• setup: make error message for missing Python headers more helpful
• sshpeer: store subprocess so it cleans up correctly
• win32: use explicit path to "python.exe" only if it exists

15. Mercurial 2.5.4 (2013-04-04)

This fixes an urgent regression in merging with subrepos introduced in 2.5.

• applyupdates: assign variable before we try to use it (issue3855)

• setup.py: properly discard trust warning

16. Mercurial 2.5.3 (2013-04-01)

• hgweb: show correct error message for i18n environment

• localrepo: always write the filtered phasecache when nodes are destroyed (issue3827)

• rebase: restore active bookmark after rebase --continue
• setup.py: add metadata to register package to PyPI
• setup.py: ignore warnings from obsolete
• zsh_completion: fix trailing carriage return spoiling tag completion

17. Mercurial 2.5.2 (2013-03-01)

• bundle: treat branches created newly on the local correctly (issue3828)

• largefiles: avoid rechecking hashes when avoidable
• largefiles: don't let update leave wrong largefiles in wd if fetch fails
• largefiles: fix off-by-one error on pull --all-largefiles
• largefiles: fix download of largefiles from an empty list of changesets
• largefiles: missing largefiles should not be committed as removed
• mergetools: vimdiff issue a warning explaining how to abort

• outgoing: fix possible filtering crash in outgoing (issue3814)

• rebase: fix potential infinite loop in complex rename situation (issue3843)

18. Mercurial 2.5.1 (2013-02-08)

This is a non-scheduled bugfix release.

• hgk: support the old way of getting the current Ttk theme (issue3808)

• hgweb.cgi: fix internal WSGI emulation (issue3804)

• hgweb: make 'summary' work with hidden changesets (issue3810)

• incoming: fix incoming when a local head is remotely filtered (issue3805)

• largefiles: don't crash when trying to find default dest for url without path

• rebase: derive node from target rev (issue3802)

19. Mercurial 2.5 (2013-02-01)

This is a regularly-scheduled feature release.

19.1. Core features

• branchmap: improved performances

• bundle: add revset expression to show bundle contents (issue3487)

• dirstate: implement unix statfiles in C
• hgweb: add (Atom) subscribe links to the repository index
• hgweb: add "URL breadcrumbs"
• hgweb: add branches RSS and Atom feeds

• hgweb: secret changeset are excluded from html view (3614 )

• serve: use chunked encoding in hgweb responses
• pathencode: implement both basic and hashed encoding in C
• subrepo: append subrepo path to subrepo error messages
• validate: check for spurious incoming filelog entries
• hgweb: allow hgweb's archive to recurse into subrepos

19.2. Changeset Evolution

Major progress toward ChangesetEvolution were done.

• hidden changesets are now properly ignored by all commands
• a global --hidden flag is added to give access to hidden changesets
• rewriting a changeset but not its descendants is now allowed; this leaves unstable changeset behind

• we now detect *divergent* changesets. The third and last kind of obsolescence related troubles. divergent() revset is added

• a troubled() revset have been added

• branchmap for of *visible* and *served* changeset are now cached on disk. This is a major performance improvements
• performance improvements of most evolution related algorithm

19.3. Extension features

• color: add template label function
• convert: add config option to use the local time zone

• convert: add support for converting git submodule (issue3528)

• hgk: use Ttk instead of plain Tk
• inotify: don't fall over just because of a dangling symlink
• largefiles: fix revert removing a largefile from a merge
• largefiles: fix update from a merge with removed files
• largefiles: make log match largefiles in the non-standin location too
• largefiles: make update with backup files in .hglf slightly less broken
• largefiles: rename 'admin' to more descriptive 'lfstoredir
• rebase: performance improvements
• rebase: rebase set with multiple roots are now handled by the --rev option
• record: use patch.diffopts to account for user diffopts

• share: always set default path to work with subrepos (issue3518)

• zsh_completion: add completion of branch names

19.4. Fixes

• commands: 'hg bookmark NAME' should work even with ui.strict=True

• copies: do not track backward copies, only renames (issue3739)

• destroyed: keep the filecache in sync with __dict__ (issue3335, issue3693, issue3743)

• grep: don't search past the end of the searched string
• hgweb: properly returns 404 for unknown revision (instead of 500)

• histedit: proper phase conservation (issue3724)

• histedit: prevents obsolescence cycle (issue3681)

• hook: disable demandimport before importing hooks
• mq: don't fail when removing a patch without patch file from series file
• mq: fix qpop of working directory parent patch when not at qtip

• zeroconf: use port from server instead of picking port from config (issue3746)

• update: update to current bookmark if it moved out from under us (issue3682)
• bookmarks: show active bookmark even if not at working dir
• largefiles: let wirestore._stat return stats as expected by remotestore verify
• largefiles: adapt verify to batched remote statlfile (issue3780)
• largefiles: don't allow corruption to propagate after detection
• largefiles: don't verify largefile hashes on servers when processing statlfile
• largefiles: allow use of urls with #revision
• largefiles: fix commit when using relative paths from subdirectory
• largefiles: fix cat when using relative paths from subdirectory
• histedit: prevent parent guessed via --outgoing from being a revset (issue3770)
• rebase: delete divergent bookmarks on destination (issue3685)
• hgwebdir: use web.prefix when creating url breadcrumbs (issue3790)
• subrepo: allow skipping courtesy phase sync (issue3781)
• merge: .hgsubstate is special as merge destination, not as merge source
• merge: improved handling of symlinks

20. Mercurial 2.4.2 (2013-01-01)

This is a regularly-scheduled bugfix release.

• amend: invalidate dirstate in case of failure (issue3670)

• amend: prevent loss of bookmark on failed amend
• bookmarks: fix head selection for merge with two bookmarked heads
• bundlerepo: don't return the peer without bundlerepo from getremotechanges
• dirstate: don't rename branch file if writing it failed
• dirstate: remove obsolete comment from setbranch
• hgweb: avoid generator exhaustion with branches
• hgweb: fix iterator reuse in atom feed generation

• hgwebdir: honor web.templates and web.static for static files (issue3734)

• largefiles revert: update lfdirstate with result from first cleanliness check
• largefiles status: update lfdirstate with result from cleanliness check

• largefiles: commit directories that only contain largefiles (issue3548)

• largefiles: don't walk through all ignored files
• paper: sanity-check page feed links

• scmutil: don't try to match modes on filesystems without modes (issue3740)

• zeroconf: use port from server instead of picking port from config (issue3746)

21. Mercurial 2.4.1 (2012-12-03)

This is a regularly-schedule bugfix release.

• amend: force editor only if old message is reused (issue3698)

• grep: don't search past the end of the searched string

• hooks: be even more forgiven of non-fd descriptors (issue3711)

• hooks: delay I/O redirection until we actually run a hook (issue3711)

• phases: fix missing "error" module import (issue3707)

• rebase: fix pull --rev options clashing with --rebase (issue3619)

• subrepo: add argument to "diff()" to pass "ui" of caller side (issue3712) (API)

• update: allow update to existing branches with invalid names (issue3710)

• util: make chunkbuffer non-quadratic on Windows

22. Mercurial 2.4 (2012-11-01)

This is a regularly-scheduled feature release.

22.1. Core features

• amend: support for ChangesetEvolution if enabled

• bookmarks: deactivate current bookmark if no name is given
• bookmarks: teach the -r option to use revsets
• bookmarks: disallow bookmarks named 'tip', '.', or 'null'

• clone: substantial speedup to clone on repo with a lots of heads (issue3378)

• clone: activate bookmark specified with --updaterev
• clone: update to @ bookmark if it exists

• log: substantial speedup for untracked files (issue1340)

• revsets: add branchpoint() function

• resolve: commit the changes after each item resolve (issue3638)

• subrepo, hghave: use "svn --version --quiet" to determine version number
• subrepo: setting LC_MESSAGES only works if LC_ALL is empty or unset
• templatefilters: add parameterized date method
• templatefilters: add parameterized fill function

• templatefilters: avoid traceback caused by bogus date input (issue3344)

• templatekw: add p1rev, p1node, p2rev, p2node keywords
• templatekw: add parent1, parent1node, parent2, parent2node keywords

• templater: abort when a template filter raises an exception (issue2987)

• templater: add if/ifeq conditionals
• templater: add sub() function
• templating: make new-style templating features work with command line lists

• bookmarks: take ChangesetEvolution into account when updating (issue3561)

• speedup various operation related to ChangesetEvolution

• add detection of changeset bumped by ChangesetEvolution

22.2. Extension features

• color: add additional changeset.phase label to log.changeset and log.parent

• color: enabled color support for export command (issue1507)

• color: support for all grep fields
• contrib: add a commit synthesizer for reproducing scaling problems
• histedit: refuse to edit public changeset
• histedit: replaces patching logic by merges

• histedit: support for ChangesetEvolution if enabled

• largefiles: always create the cache and standin directories when cloning

• largefiles: distinguish "no remote repo" from "no files to upload" (issue3651)

• largefiles: fix a traceback in lfconvert if a largefile is missing (issue3519)

• mq: improve qqueue message with patches applied (issue3036)

• mq: update bookmarks during qrefresh
• notify: support revset selection for subscriptions

• rebase: support for ChangesetEvolution if enabled

• record: checks for valid username before starting recording process (issue3456)

• record: fix display of non-ASCII names in chunk selection

22.3. Fixes

• amend: fix incompatibity between logfile and message option (issue3675)

• amend: wrap all commit operations in a single transaction

• bookmarks: abort when incompatible options are used (issue3663)

• bookmarks: avoid redundant creation/assignment of "validdests" in "validdest()"

• bookmarks: check bookmark format during rename (issue3662)

• bookmarks: when @ bookmark diverges, don't double the @ sign (BC)

• bookmark: prevent crashing when a successor is unknown locally (issue3680)

• clone: activate @ bookmark if updating to it

• clone: don't %-escape the default destination (issue3145)

• clone: make sure to use "@" as bookmark and "default" as branch (issue3677) (BC)

• clone: print bookmark name when clone activates a bookmark

• commands: don't infer repo for commands like update (issue2748)

• convert: normalize paths in filemaps (issue3612)

• dirstate: handle large dates and times with masking (issue2608)

• dirstate: handle dangling junctions on windows (issue2579)

• filemerge: use util.shellquote when calling merge (issue3581)

• hgweb: make the escape filter remove null characters (issue2567)

• http2: make it possible to connect w/o ssl on port 443

• icasefs: make case-folding collision detection as deletion aware (issue3648)

• largefiles: don't copy largefiles from working dir to the store while converting

• largefiles: respect the rev when reading standins in copytostore() (issue3630)

• largefiles: use 'default' instead of 'default-push' when pulling (issue3584)

• mq: fix qrefresh case sensitivity (issue3271)

• patchbomb: respect --in-reply-to for all mails if no intro message is sent
• remove: don't return error on directories with tracked files

• revset: accept @ in unquoted symbols (issue3686)

• scmutil: add mustaudit delegation to filtervfs (issue3673)

• subrepo: only do clean update when overwrite is set (issue3276)

• subrepo: subrepo isolation, pass baseui when cloning a new subrepo (issue2904)

• update: check for missing files with --check (issue3595) (BC)

• url: use open and not url.open for local files (issue3624)

• verify: fix all doubled-slash sites (issue3665)

• wireproto: fix pushkey hook failure and output on remote http repo

23. Mercurial 2.3.2 (2012-10-01)

• amend: preserve phase of amended revision (issue3602)

• archival: add "extended-timestamp" extra block for zip archives (issue3600)

• hgweb: avoid bad $$ processing in graph (issue3601)

• hgweb: fix incorrect graph padding calculation (issue3626)

• largefiles: fix return codes for multiple commands
• largefiles: don't convert dest=None to dest=hg.defaultdest() in clone command
• largefiles: download missing subrepo revs when archiving

• largefiles: enable islfilesrepo() prior to a commit (issue3541)

• largefiles: handle commit -A properly, after a --large commit (issue3542)

• largefiles: preserve exit code from outgoing command (issue3611)

• largefiles: restore caching of largefiles with 'clone -U --all-largefiles'
• largefiles: restore normal 'clone -u' and 'clone -U' functionality

• lock: fixed race condition in trylock/testlock (issue3506)

• mergetools.hgrc: set vimdiff to check=changed

• strip: fix revset usage (issue3604)

• subrepo: encode unicode path names (issue3610)

24. Mercurial 2.3.1 (2012-09-01)

• clone: don't fail with --update for non-local clones (issue3578)

• commit: normalize filenames when checking explicit files (issue3576)

• fileset: actually implement 'minusset'
• fileset: do not traceback on invalid grep pattern
• fileset: exclude deleted files from matchctx.existing()
• fileset: fix generator vs list bug in fast path
• fileset: matchctx.existing() must consider ignored files
• fileset: matchctx.existing() must consider unknown files

• largefiles: adjust localstore to handle batch statlfile requests (issue3583)

• merge: handle case when heads are all bookmarks
• obsolete: import modules within mercurial/ without "from mercurial"

• revlog: don't try to partialmatch strings with length > 40

• rollback: write dirstate branch with correct encoding
• store: only one kind of OSError means "nonexistent entry"
• store: sort the results of fncachestore.datafiles()

• strip: fix revset usage (issue3604)

• templater: handle a missing value correctly
• verify: do not choke on valid changelog without manifest
• wix: bump MSI based installers to use Python 2.7

25. Mercurial 2.3 (2012-08-01)

This is a regularly-scheduled feature release with numerous improvements and bugfixes.

25.1. Core features

• help: add --keyword (-k) for searching help
• hgweb: side-by-side comparison functionality
• log: support --graph without graphlog extension
• push: accept revset argument for --rev
• merge: bookmarks will no longer automatically merge with unnamed heads or other bookmarks. Instead it picks heads with diverging bookmarks.

• introduce ChangesetsObsolescence concept (experimental)

• bookmarks: allow existing remote bookmarks to become heads when pushing

• bookmarks: pull new bookmarks from remote by default (backward incompatible change)

• bookmarks: delete divergent bookmarks on merge
• bisect: set HG_NODE when runing a command
• graft: allow -r to specify revisions

• graft: implement --log (issue3438)

• graft: remark on empty graft
• hooks: print out more information when loading a python hook fails

• identity: show trailing '+' for dirty subrepos (issue2839)

• incoming/outgoing: handle --graph in core

• merge: warn about file deleted in one branch and renamed in other (issue3074)

• Mercurial can now identify third-party extensions as sources of tracebacks
• outgoing: accept revset argument for --rev
• performance improvement on branchy repo: incrementaly update branchcache
• performance improvement on huge file tree: add a C function to pack the dirstate
• performance improvement for huge .hgignore: process regex with re2 bindings if available
• revset: add "diff" field to "matching" predicate
• revset: add "converted" predicate to find converted changesets
• revset: add "origin" and "destination" predicates, to get graft, transplant or rebase origins or destinations.

• revset: add "extra" predicate to match changesets extra fields (issue2767)

• revset: add pattern matching to "bookmarks/branch/extra/tag/user" predicated

25.2. Extension features

• acl: use of "!" prefix in user or group names
• children: mark extension as deprecated

• convert/svn: handle non-local svn destination paths (issue3142)

• convert: accept Subversion 'file:///c%3A/svnrepo' syntax on Windows

• fetch: mark extension as deprecated
• graphlog: feature is now into core
• histedit: new extension for interactive history editing
• hg-ssh: add read-only flag

• largefiles: add --all-largefiles flag to pull and clone (issue3188)

• largefiles: improve performance by batching statlfile requests when pushing a largefiles repo (issue3386)

• largefiles: no longer attempt to clone all largefiles to non-local destinations

• largefiles: optimize performance when updating (issue3440)

• largefiles: support revsets for cat, outgoing --large and revert
• mq: introduce qpush/qpop/qgoto --keep-changes
• strip: introduce -B option to remove a bookmark

• rebase: allow collapsing branches in place (issue3111)

• rebase: make --dest understand revsets

• rebase: drop the infamous --detach option: rebase now behave with --source and --rev as expectable. It may no longer add second parent to rebased changeset (backward incompatible change)

• transplant: handle non-empty patches doing nothing (issue2806)

• transplant: manually transplant pullable changesets with --log

25.3. Fixes

• bisect: fix O(n**2) behaviour (issue3382)

• bookmarks: fix push of moved bookmark when creating new branch heads

• case insensitive file system can no longer be confused by -R on (issue2167)

• copies: one fix related to directory rename detection (issue3511)

• convert: check for failed svn import in debugsvnlog and abort cleanly
• convert: ignore svn:executable for subversion targets without exec bit support

• convert: keep branch switching merges with ancestors (issue3340)

• convert: make filemap renames consistently override revision renames

• debugrevlog: fix a bug with empty repository (issue3537)

• graphlog: don't truncate template value at last \n
• httprepo: ensure Content-Type header exists when pushing data

• largefiles: fix a traceback when addremove follows a remove (issue3507)

• largefiles: fix a traceback when archiving a subrepo in a subrepo

• largefiles: fix addremove when largefile is missing (issue3227)

• largefiles: fix addremove with -R option

• largefiles: fix exception hack for i18n (issue3197)

• largefiles: fix path handling for cp/mv (issue3516)

• largefiles: archive -S now store largefiles instead of standins

• largefiles: fix hg addremove when already removed largefile exists (issue3364)

• merge: do not warn about copy and rename in the same transaction (issue2113)

• mq: add ".hgsubstate" to patch target list only if it is not listed up yet
• mq: create patch file after commit to import diff of ".hgsubstate" at qrefresh

• pager: work around bug in python 2.4's subprocess module (issue3533):

• revlog: zlib.error are no longer sent to the user (issue3424)

• tag: don't allow tagging the null revision (issue1915)

26. Mercurial 2.2.3 (2012-07-01)

This is a regularly-scheduled bugfix release.

• amend: disable hooks when creating intermediate commit (issue3501)

• archive: make progress only show files that are actually archived

• bookmarks: correctly update current bookmarks on rebase (issue2277)

• bugzilla: stop bugs always being marked as fixed in xmlrpc (issue3484)

• graft: don't drop the second parent on unsuccessful merge (issue3498)

• hgweb: fixes linebreak location in gitweb filediff.tmpl view
• rebase: improve error message on improper phases
• record: fix display of non-ASCII names
• statichttprepo: don't send Range header when requesting entire file
• strip: update help to state that you can strip public changeset

• subrepo/svn: make rev number retrieval compatible with svn 1.5 (issue2968)

• subrepo: support Git being named "git.cmd" on Windows (issue3173)

• subrepo: warn user if Git is not version 1.6.0 or higher
• update: fix help regarding update to ancestor

27. Mercurial 2.2.2 (2012-06-01)

This is a regularly-scheduled bugfix release.

• addremove: document default similarity behavior (issue3429)

• alias: inherit command optionalrepo flag (issue3298)

• amend: preserve extra dict (issue3430)

• bisect: save current state before running a command
• bugzilla: fix transport initialization on python 2.4
• build: fix hgrc manpage building with docutils 0.9

• bundle: make bundles more portable (issue3441)

• changelog: ensure that nodecache is valid (issue3428)

• hg-ssh: exit with 255 instead of -1 on error
• hgweb: fix filediff base calculation

• largefiles: fix "hg status dir" missing regular files (issue3421)

• largefiles: fix deletion of multiple missing largefiles (issue3329)

• largefiles: follow normal codepath for addremove if non-largefiles repo (issue3249)

• largefiles: in putlfile, ensure tempfile's directory exists prior to creation

• largefiles: use wlock for lfconvert (issue3444)

• localrepo: clear _filecache earlier to really force reloading (issue3462)

• match: make 'match.files()' return list object always
• mq: add --no-backup for qpush/qpop/qgoto

• mq: backup local changes in qpop --force (issue3433)

• mq: backup local changes in qpush --force
• mq: qimport need wlock for --push - do that after releasing lock

• osutil: handle deletion race with readdir/stat (issue3463)

• pager: check if signal.SIGPIPE exists

• pager: preserve Hg's exit code (and fix Windows support) (issue3225)

• pager: remove quiet flag
• paper, monoblue: link correctly to lines in annotate view
• parsers: fix refcount bug on corrupt index
• patch: fix segfault against unified diffs which start line is zero

• patch: keep patching after missing copy source (issue3480)

• posix: workaround lack of TIOCGWINSZ on Irix (issue3449)

• revpair: handle odd ranges (issue3474)

• revset: explicitely tag alias arguments for expansion
• revset: fix infinite alias expansion detection
• revset: fix traceback for bogus revisions in id(rev)
• revset: make matching() preserve input revision order

• scmutil: seen.union should be seen.update (issue3476)

• subrepo: do not traceback on .hgsubstate parsing errors

• subrepo: ignore blank lines in .hgsubstate (issue3424)

• tag: run commit hook when lock is released (issue3344)

• templater: handle SyntaxError when parsing ui.logtemplate

• util: fix bad variable use in bytecount introduced by f0f7f3fab315

• win32: fix encoding handling for registry strings (issue3467)

28. Mercurial 2.2.1 (2012-05-03)

This is an unscheduled bugfix release to fix a signficant memory leak in hgweb.

• bookmarks: catch the proper exception for missing revisions

• help: add reference to template help (issue3413)

• help: added description for the web.collapse setting

• largefiles: fix commit of both largefiles and non-largefiles (issue3354)

• parsers: fix refcount leak, simplify init of index (issue3417)

29. Mercurial 2.2 (2012-05-01)

This is a regularly-scheduled feature release. The most notable feature is a new safe '--amend' option for commit using our new phases infrastructure. There are also a number of signficant performance improvements for large repositories and improvements for case-folding filesystems. See UpgradeNotes for minor compatibility notes.

29.1. Core features

• commit: add --amend option
• fileset: add "subrepo" fileset symbol

• graft: add --dry-run support (issue3362)

• hgweb: add support for branch width and color settings
• hgweb: add block numbers to diff regions and related links
• hgweb: support multi-level repository indexes by enabling descend and collapse
• merge: improve performance with lots of unknown files
• parsers: incrementally parse the revlog index in C

• plan9: add support for plan9

• push/pull: improve performance for partial transfers
• push: decompress in larger chunks for better performance on the server
• clone: add server config option to prefer uncompressed clone
• revert: add support for reverting subrepos
• revset: add "matching" keyword
• store: speed up read and write of large fncache files
• ui: optionally quiesce ssl verification warnings on python 2.5

29.2. Extension features

• bugzilla: add xmlrpcemail submission for Bugzilla 3.6 email interface
• bugzilla: allow change comment to mark bugs fixed
• bugzilla: extract optional hours from commit message and update bug time
• bugzilla: modify access interface to include new bug states
• graphlog: add all log options to glog command
• patchbomb: add --body flag to send patches as inline message body text
• record: allow splitting of hunks by manually editing patches
• transplant: permit merge changesets via --parent

29.3. Fixes

• alias: fix shell alias documentation (issue3374)

• archive: make it work with svn subrepos (issue3308)

• branchmap: server should not advertise secret changeset in branchmap (issue3303)

• clone: always close source repository (issue2491)

• commit: abort on merge with missing files (BC)
• config: discard UTF-8 BOM if found

• convert/bzr: convert all branches (issue3229) (BC)

• convert/bzr: expect unicode metadata, encode in UTF-8 (issue3232)

• convert/bzr: handle empty bzr repositories (issue3233)

• convert/bzr: ignore nested repos when listing branches (issue3254)

• convert/svn: do not try converting empty head revisions (issue3347)

• convert/svn: make svn sink work with svn 1.7
• convert: support non-annotated tags in git backend

• dirstate: preserve path components case on renames (issue3402)

• export: catch exporting empty revsets (issue3353)

• icasefs: make case-folding collision detection rename aware (issue3370)

• inotify: catch SignalInterrupt during shutdown (issue3351)

• journal: use tryread helper to backup files (issue3375)

• largefiles: fix cat for largefiles (issue3352)

• largefiles: fix status -S reporting of subrepos (issue3231)

• largefiles: hide .hglf/ prefix for largefiles in hgweb
• largefiles: notice dirty large files in a subrepo
• largefiles: only update changed largefiles when transplanting
• largefiles: optimize update speed by only updating changed largefiles

• localrepo: add setparents() to adjust dirstate copies (issue3407)

• mdiff: fix diff header generation for files with spaces (issue3357)

• merge: check for untracked files more precisely (issue3400)

• merge: fix unknown file merge detection for case-folding systems

• patch: be more tolerant with "Parent" header (issue3356)

• patch: be more tolerant with EOLs in binary diffs (issue2870)

• patch: fix patch hunk/metdata synchronization (issue3384)

• phase: when phase cannot be reduced, hint at --force and return 1 (BC)
• posix: disable cygwin's symlink emulation (BC)

• posix: ignore execution bit in cygwin (issue3301)

• pure/osutil: use Python's msvcrt module (issue3380)

• rebase: preserve mq series order, guarded patches (issue2849)

• rebase: skip resolved but emptied revisions

• revset: fix O(n**2) behaviour of bisect() (issue3381)

• revset: fix adds/modifies/removes and patterns (issue3403)

• revset: fix alias substitution recursion (issue3240)

• subrepo/svn: abort on commit with missing file (issue3029)

• subrepo/svn: fix checked out rev number retrieval (issue2968)

• subrepo: fix default implementation of forget() (issue3404)

• subrepo: rewrite handling of subrepo state at commit (issue2403)

• templates/filters: extracting the user portion of an email address (BC)

• transplant: do not rollback on patching error (issue3379)

• update: fix case-collision with a clean wd and no --clean
• update: make --check abort with dirty subrepos

• update: use normal update path with --check (issue2450)

• wireprotocol: use visibleheads as reference while unbundling (issue 3303)