Mercurial 6.2.3

• tests: improve portability, debugging and flakiness
• packaging: update dulwich to drop the certifi dependency on Windows
• rhg: fix bugs around [use-dirstate-tracked-hint] and repo auto-upgrade

Mercurial 6.2.2

• fsmonitor: restore functionality by moving to new dirstate APIs
• dirstate-v2: fix data file transaction handling (issue6730)
• rust: fix behavior when matching files with multiple includes
• rust: widen range of compatible crates to help with packaging
• rust-status: ignored directories are now correctly only listed if opted into
• automation: improve Windows packaging tooling
• contrib: update Mercurial install in bootstrap environment
• Remove flakiness in some tests

• Improve portability of certain tar uses in tests

Mercurial 6.2.1

• Fix SSL support in Python 3.6
• git: make sure to fsdecode bookmark names everywhere (issue6723)
• git: add a missing reset_copy keyword argument to dirstate.set_tracked()
• git: copy findmissingrevs() from revlog.py to gitlog.py (issue6472)
• packaging: update keyring on Windows to avoid spurious stacktraces
• packaging: bump dulwich to 0.20.45
• Fix typos in documentation for debugdiscovery
• Miscellaneous improvements of debugdiscovery

Mercurial 6.2

This is the first release to support Python 3.6+ only

New Features

• Introduce a way to auto-upgrade a repo for certain requirements (see hg help config.format)

• filemerge: add support for partial conflict resolution by external tool
• contrib: add a partial-merge tool for sorted lists (such as Python imports)
• revlog: reorder p1 and p2 when p1 is null and p2 is not while respecting issue6528
• rhg: add support for ignoring all extensions
• completion: install completers to conventional locations
• revert: ask user to confirm before tracking new file when interactive
• Rust implementation now uses the new dirstate API
• sslutil: be less strict about which ciphers are allowed when using --insecure
• sslutil: support TLSV1_ALERT_PROTOCOL_VERSION reason code

• absorb: make --edit-lines imply --apply-changes

• diff: add help text to highlight the ability to do merge diffs
• censor: make rhg fall back to python when encountering a censored node
• clone: use better names for temp files
• debuglock: make the command more useful in non-interactive mode
• debugdeltachain: distinct between snapshot and other diffs
• debugindex: rename to debugindex debug-revlog-index
• Make debug-revlog-index give out more information
• sparse: use the rust code even when sparse is present

Bug Fixes

• Python 3 bugfixes
• Windows bugfixes

• templates: make firstline filter not keep '\v', '\f' and similar

• rhg: sort unsupported extensions in error message
• Improve performance of all functions that extract the first line of a text

• crecord: avoid duplicating lines when reverting noeol->eol change

• Some config.path options are now discoverable via config
• mail: don't complain about a multi-word email.method
• bundlespec: do not overwrite bundlespec value with the config one

• bundlespec: do not check for - in the params portion of the bundlespec

• bundlespec: handle the presence of obsmarker part
• sparse: start moving away from the global variable for detection of usage
• rust-changelog: don't skip empty lines when iterating over changeset lines
• narrow: support debugupgraderepo
• bundle: quick fix to ludicrous performance penalty
• followlines: don't put Unicode directly into the .js file (issue6559)
• manifest: improve error message in case for tree manifest
• revlog: use %d to format int instead of %lu (issue6565)
• revlog: use appropriate format char for int ("i" instead of I")
• worker: stop relying on garbage collection to release memoryview
• worker: implement _blockingreader.readinto() (issue6444)
• worker: avoid potential partial write of pickled data

Backwards Compatibility Changes

• Removed Python 2 support: this includes a lot of cleanup in our codebase, automation, testing, etc.

• debugindex: rename to debugindex debug-revlog-index

Miscellaneous

• Fix typos and add missing items from documentation

• dirstate-tree: optimize HashMap lookups with raw_entry_mut

• Rust dependencies have been upgraded
• revlog: rank computation is done by Rust when available
• Improve discovery test tooling
• Audit the number of queries done in discovery
• Improved .hgignore of the mercurial-devel repository itself
• Improve test coverage of dirstate-v2

• rust-requirements: allow loading repos with bookmarksinstore requirement

• Various Rust refactorings to help with revlog management
• Improve debugability of Rust structs
• Improve unit testing of the Rust dirstatemap
• Improve robustness of the Rust dirstatemap to corruption
• Improve changelog-v2 upgrade system