= Mercurial 6.2rc0 =

'''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