Where to obtain notmuch 0.40
===========================
  https://notmuchmail.org/releases/notmuch-0.40.tar.xz

Which can be verified with:

  https://notmuchmail.org/releases/notmuch-0.40.tar.xz.sha256.asc
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  https://notmuchmail.org/releases/notmuch-0.40.tar.xz.asc
  (signed by David Bremner)

What's new in notmuch 0.40
=========================

General
-------

Accept "key-missing" from a signature from a revoked key to match
apparent change in GnuPG behaviour.

Library
-------

New API `notmuch_{threads,messages}_status` to allow distinguishing
iterator exaustion from iterator invalidation due to errors.

Emacs
-----

Documentation improvements. Fix for bug related to "hide-exclude" in
notmuch-hello. A new autoloads file is generated for people installing
without package.el or similar. Fix disabling notmuch-show-header-line
via custom.

Python Bindings
---------------

Provide a binding reopen a database. Some small fixes to
documentation. Make IndexOptions public.

Ruby Bindings
-------------

Simplify and cleanup build, fix talloc flags.

What is notmuch
===============
Notmuch is a system for indexing, searching, reading, and tagging
large collections of email messages in maildir or mh format. It uses
the Xapian library to provide fast, full-text search with a convenient
search syntax.

For more about notmuch, see https://notmuchmail.org