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# Mercurial 5.3 (2020-01-29)
## Mercurial 5.3 release
This is an overview of the 5.3 release.
### New Features
- Windows will process hgrc files in `%PROGRAMDATA%\Mercurial\hgrc.d`.
- The Phabricator extension will read `.arcconfig` in the repository root to assign
the `phabricator.callsign` and `phabricator.url` properties, if available.
This file will override the settings in the global or user level config
files, but is itself overridden by the config file for the repository (issue6243)
- Accept explicit -r 'wdir()' when adding new bookmarks (issue6218)
- `hg import` has a new --secret option for committing with the secret phase.
### New Experimental Features
- The LFS extension adds `--no-lfs` to the `verify`, so that it won't attempt to
download missing blobs as part of the process.
### Bug Fixes
- The `indent()` template function was documented to not indent empty lines,
but it still indented the first line even if it was empty. It no longer does
that.
- Avoid setting both parents to the same commit in some cases when evolving a merge (issue6098)
- Avoid spurious warnings with `hg verify --verbose` when there are renames in obsolete revisions (issue6172)
- Check for unfinished ops when using the experimental in-memory rebase (issue6214)
- Avoid corrupting dirstate if files are modified while the editor is open for an amend (issue6233)
- Ensure reviews are posted to Phabricator in topological order, regardless of the order specified on the command line (issue6241)
### Backwards Compatibility Changes
- Changed bundled config file location in Windows .exe installers to `hgrc.d`,
from `default.d`. Consider using the new `%PROGRAMDATA%\Mercurial\hgrc.d`
directory instead of the installation directory if you need to add custom
config files globally.
- File patterns for the `fix` configuration are resolved against the repository
root, instead of `cwd`. This allows filesets to be resolved consistently,
regardless of `cwd`.
### Internal API Changes
- Matcher instances no longer have a `explicitdir` property. Consider
rewriting your code to use `repo.wvfs.isdir()` and/or
`ctx.hasdir()` instead. Also, the `traversedir` property is now
also called when only `explicitdir` used to be called. That may
mean that you can simply remove the use of `explicitdir` if you
were already using `traversedir`.
- The `revlog.nodemap` object have been merged into the `revlog.index` object.
- `n in revlog.nodemap` becomes `revlog.index.has_node(n)`,
- `revlog.nodemap[n]` becomes `revlog.index.rev(n)`,
- `revlog.nodemap.get(n)` becomes `revlog.index.get_rev(n)`.
- `copies.duplicatecopies()` was renamed to
`copies.graftcopies()`. Its arguments changed from revision numbers
to context objects. It also lost its `repo` and `skip` arguments
(they should no longer be needed).
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