Notmuch. As a safeguard, a database dump will be created in the
`.notmuch` directory before upgrading.
+Build System
+------------
+
+The ruby bindings are now built as part of the main notmuch build
+process. This can be disabled with the `--without-ruby` option to
+configure.
+
+Building the documentation can be disabled with the `--without-docs`
+option to configure.
+
+Skipped individual tests are no longer considered as failures.
+
Command Line Interface
----------------------
query parser and the new function
`notmuch_database_get_revision`. For the latter, see `notmuch(3)`.
+New status code returning API for n_query_count_{messages,threads}.
+
+Deprecated functions
+
+ `notmuch_query_search_threads`, `notmuch_query_search_messages`,
+ `notmuch_query_count_messages`, and `notmuch_query_count_threads`
+ are all deprecated as of this release. Clients are encouraged to
+ transition to the `_st` variants supporting better error reporting.
+
Notmuch 0.20.2 (2015-06-27)
===========================