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+[[!meta date="2012-xx-xx"]]
+
+Notmuch 0.13 (2012-xx-xx)
+=========================
+
+Command-Line Interface
+----------------------
+
+### Reply to sender
+
+`notmuch reply` has gained the ability to create a reply template
+for replying just to the sender of the message, in addition to reply
+to all. The feature is available through the new command line option
+`--reply-to=(all|sender)`.
+
+### JSON reply format
+
+`notmuch reply` can now produce JSON output that contains the headers
+for a reply message and full information about the original message
+begin replied to. This allows MUAs to create replies intelligently.
+For example, an MUA that can parse HTML might quote HTML parts.
+
+Calling notmuch reply with `--format=json` imposes the restriction that
+only a single message is returned by the search, as replying to
+multiple messages does not have a well-defined behavior. The default
+retains its current behavior for multiple message replies.
+
+### Tag exclusion
+
+Tags can be automatically excluded from search results by adding them
+to the new `search.exclude_tags` option in the Notmuch config file.
+
+This behaviour can be overridden by explicitly including an excluded
+tag in your query, for example:
+
+        notmuch search $your_query and tag:$excluded_tag
+
+Existing users will probably want to run `notmuch setup` again to add
+the new well-commented [search] section to the configuration file.
+
+For new configurations, accepting the default setting will cause the
+tags "deleted" and "spam" to be excluded, equivalent to running:
+
+        notmuch config set search.exclude_tags deleted spam
+
+### Raw show format changes
+
+The output of show `--format=raw` has changed for multipart and
+message parts.  Previously, the output was a mash of somewhat-parsed
+headers and transfer-decoded bodies.  Now, such parts are reproduced
+faithfully from the original source.  Message parts (which includes
+part 0) output the full message, including the message headers (but
+not the transfer headers).  Multipart parts output the part as
+encoded in the original message, including the part's headers.  Leaf
+parts, as before, output the part's transfer-decoded body.
+
+### Listing configuration items
+
+The new `config list` command prints out all configuration items and
+their values.
+
+Emacs Interface
+---------------
+
+### Changes to tagging interface
+
+The user-facing tagging functions in the Emacs interface have been
+normalized across all notmuch modes.  The tagging functions are now
+notmuch-search-tag in search-mode, and notmuch-show-tag in
+show-mode.  They accept a string representing a single tag change,
+or a list of tag changes.  See 'M-x describe-function notmuch-tag'
+for more information.
+
+NOTE: This breaks compatibility with old tagging functions, so user
+may need to update in custom configurations.
+
+### Reply improvement using the JSON format
+
+Emacs now uses the JSON reply format to create replies. It obeys
+the customization variables message-citation-line-format and
+message-citation-line-function when creating the first line of the
+reply body, and it will quote HTML parts if no text/plain parts are
+available.
+
+New add-on tool: notmuch-mutt
+-----------------------------
+
+The new contrib/ tool `notmuch-mutt` provides Notmuch integration for
+the Mutt mail user agent. Using it, Mutt users can perform mail
+search, thread reconstruction, and mail tagging/untagging without
+leaving Mutt.  notmuch-mutt, formerly distributed under the name
+`mutt-notmuch` by Stefano Zacchiroli, will be maintained as a notmuch
+contrib/ from now on.
+
+Library changes
+---------------
+
+The API changes detailed below break binary and source compatibility,
+so libnotmuch has been bumped to version 3.0.0.
+
+### The function `notmuch_database_close` has been split into `notmuch_database_close` and `notmuch_database_destroy`
+
+This makes it possible for long running programs to close the xapian
+database and thus release the lock associated with it without
+destroying the data structures obtained from it.
+
+### `notmuch_database_open`, `notmuch_database_create`, and `notmuch_database_get_directory` now return errors
+
+The type signatures of these functions have changed so that the
+functions now return a `notmuch_status_t` and take an out-argument for
+returning the new database object or directory object.
+
+Go bindings changes
+-------------------
+
+### Go 1 compatibility
+
+The go bindings and the `notmuch-addrlookup` utility are now
+compatible with go 1.