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+####################
+Bazaar Release Notes
+####################
+
+.. toctree::
+   :maxdepth: 1
+
+bzr 1.12
+########
+
+:Codename: 1234567890
+:1.12: 2009-02-13
+:1.12rc1: 2009-02-10
+
+This release of Bazaar contains many improvements to the speed,
+documentation and functionality of ``bzr log`` and the display of logged
+revisions by ``bzr status``.  bzr now also gives a better indication of
+progress, both in the way operations are drawn onto a text terminal, and
+by showing the rate of network IO.
+
+Changes from RC1 to Final
+*************************
+
+* ``bzr init --development-wt5[-rich-root]`` would fail because of
+  circular import errors. (John Arbash Meinel, #328135)
+
+* Expanded the help for log and added a new help topic called
+  ``log-formats``.  (Ian Clatworthy)
+
+Compatibility Breaks
+********************
+
+* By default, ``bzr status`` after a merge now shows just the pending
+  merge tip revisions. This improves the signal-to-noise ratio after
+  merging from trunk and completes much faster. To see all merged
+  revisions, use the new ``-v`` flag.  (Ian Clatworthy)
+
+* ``bzr log --line`` now shows any tags after the date and before
+  the commit message. If you have scripts which parse the output
+  from this command, you may need to adjust them accordingly.
+  (Ian Clatworthy)
+
+* ``bzr log --short`` now shows any additional revision properties
+  after the date and before the commit message.  Scripts that parse 
+  output of the log command in this situation may need to adjust.
+  (Neil Martinsen-Burrell)
+
+* The experimental formats ``1.12-preview`` and ``1.12-preview-rich-root``
+  have been renamed ``development-wt5`` and ``development-wt5-rich-root``
+  respectively, given they are not ready for release in 1.12.
+  (Ian Clatworthy)
+
+* ``read_bundle_from_url`` has been deprecated. (Vincent Ladeuil)
+
+New Features
+************
+
+* Add support for filtering ``bzr missing`` on revisions.  Remote revisions
+  can be filtered using ``bzr missing -r -20..-10`` and local revisions can
+  be filtered using ``bzr missing --my-revision -20..-10``.
+  (Marius Kruger)
+
+* ``bzr log -p`` displays the patch diff for each revision.
+  When logging a file, the diff only includes changes to that file.
+  (Ian Clatworthy, #202331, #227335)
+
+* ``bzr log`` supports a new option called ``-n N`` or ``--level N``.
+  A value of 0 (zero) means "show all nested merge revisions" while
+  a value of 1 (one) means "show just the top level". Values above
+  1 can be used to see a limited amount of nesting. That can be
+  useful for seeing the level or two below PQM submits for example.
+  To force the ``--short`` and ``--line`` formats to display all nested
+  merge revisions just like ``--long`` does by default, use a command
+  like ``bzr log --short -n0``. To display just the mainline using
+  ``--long`` format, ``bzr log --long -n1``.
+  (Ian Clatworthy)
+
+Improvements
+************
+
+* ``bzr add`` more clearly communicates success vs failure.
+  (Daniel Watkins)
+
+* ``bzr init`` will now print a little less verbose output.
+  (Marius Kruger)
+
+* ``bzr log`` is now much faster in many use cases, particularly
+  at incrementally displaying results and filtering by a
+  revision range. (Ian Clatworthy)
+
+* ``bzr log --short`` and ``bzr log --line`` now show tags, if any,
+  for each revision. The tags are shown comma-separated inside
+  ``{}``. For short format, the tags appear at the end of line
+  before the optional ``[merge]`` indicator. For line format,
+  the tags appear after the date. (Ian Clatworthy)
+
+* Progress bars now show the rate of activity for some SFTP 
+  operations, and they are drawn different.  (Martin Pool, #172741)
+
+* Progress bars now show the rate of activity for urllib and pycurl based
+  HTTP client implementations. The operations are tracked at the socket
+  level for better precision.
+  (Vincent Ladeuil)
+
+* Rule-based preferences can now accept multiple patterns for a set of
+  rules.  (Marius Kruger)
+
+* The ``ancestor:`` revision spec will now default to referring to the
+  parent of the branch if no other location is given.
+  (Daniel Watkins, #198417)
+
+* The debugger started as a result of setting ``$BZR_PDB`` works
+  around a bug in ``pdb``, http://bugs.python.org/issue4150.  The bug
+  can cause truncated tracebacks in Python versions before 2.6.
+  (Andrew Bennetts)
+
+* VirtualVersionedFiles now implements
+  ``iter_lines_added_or_present_in_keys``. This allows the creation of 
+  new branches based on stacked bzr-svn branches. (#311997)
+
+Bug Fixes
+*********
+
+* ``bzr annotate --show-ids`` doesn't give a backtrace on empty files
+  anymore.
+  (Anne Mohsen, Vincent Ladeuil, #314525)
+
+* ``bzr log FILE`` now correctly shows mainline revisions merging
+  a change to FILE when the ``--short`` and ``--line`` log formats
+  are used. (Ian Clatworthy, #317417)
+
+* ``bzr log -rX..Y FILE`` now shows the history of FILE provided
+  it existed in Y or X, even if the file has since been deleted or
+  renamed. If no range is given, the current/basis tree and
+  initial tree are searched in that order. More generally, log
+  now interprets filenames in their historical context.
+  (Ian Clatworthy, #175520)
+
+* ``bzr status`` now reports nonexistent files and continues, then
+  errors (with code 3) at the end.  (Karl Fogel, #306394)
+
+* Don't require the present compression base in knits to be the same
+  when adding records in knits. (Jelmer Vernooij, #307394)
+
+* Fix a problem with CIFS client/server lag on Windows colliding with
+  an invariant-per-process algorithm for generating AtomicFile names
+  (Adrian Wilkins, #304023)
+
+* Many socket operations now handle EINTR by retrying the operation.
+  Previously EINTR was treated as an unrecoverable failure.  There is
+  a new ``until_no_eintr`` helper function in ``bzrlib.osutils``.
+  (Andrew Bennetts)
+
+* Support symlinks with non-ascii characters in the symlink filename.
+  (Jelmer Vernooij, #319323)
+
+* There was a bug in how we handled resolving when a file is deleted
+  in one branch, and modified in the other. If there was a criss-cross
+  merge, we would cause the deletion to conflict a second time.
+  (Vincent Ladeuil, John Arbash Meinel)
+
+* There was another bug in how we chose the correct intermediate LCA in
+  criss-cross merges leading to several kind of changes be incorrectly
+  handled.
+  (John Arbash Meinel, Vincent Ladeuil)
+
+* Unshelve now handles deleted paths without crashing. (Robert Collins)
+
+Documentation
+*************
+
+* Improved plugin developer documentation.  (Martin Pool)
+
+API Changes
+***********
+
+* ``ProgressBarStack`` is deprecated; instead use
+  ``ui_factory.nested_progress_bar`` to create new progress bars.
+  (Martin Pool)
+
+* ForeignVcsMapping() now requires a ForeignVcs object as first
+  argument. (Jelmer Vernooij)
+
+* ForeignVcsMapping.show_foreign_revid() has been moved to
+  ForeignVcs. (Jelmer Vernooij)
+
+* ``read_bundle_from_url`` is deprecated in favor of
+  ``read_mergeable_from_url``.  (Vincent Ladeuil)
+
+* Revision specifiers are now registered in
+  ``bzrlib.revisionspec.revspec_registry``, and the old list of 
+  revisionspec classes (``bzrlib.revisionspec.SPEC_TYPES``) has been
+  deprecated. (Jelmer Vernooij, #321183)
+
+* The progress and UI classes have changed; the main APIs remain the
+  same but code that provides a new UI or progress bar class may
+  need to be updated.  (Martin Pool)
+
+Internals
+*********
+
+* Default User Interface (UI) is CLIUIFactory when bzr runs in a dumb
+  terminal. It is sometimes desirable do override this default by forcing
+  bzr to use TextUIFactory. This can be achieved by setting the
+  BZR_USE_TEXT_UI environment variable (emacs shells, as opposed to
+  compile buffers, are such an example).
+  (Vincent Ladeuil)
+
+* New API ``Branch.iter_merge_sorted_revisions()`` that iterates over
+  ``(revision_id, depth, revno, end_of_merge)`` tuples.
+  (Ian Clatworthy)
+
+* New ``Branch.dotted_revno_to_revision_id()`` and
+  ``Branch.revision_id_to_dotted_revno()`` APIs that pick the most
+  efficient way of doing the mapping.
+  (Ian Clatworthy)
+
+* Refactor cmd_serve so that it's a little easier to build commands that
+  extend it, and perhaps even a bit easier to read.  (Jonathan Lange)
+
+* ``TreeDelta.show()`` now accepts a ``filter`` parameter allowing log
+  formatters to retrict the output.
+  (Vincent Ladeuil)
+
+
+..
+   vim: tw=74 ft=rst ff=unix