Notmuch 0.25 (2017-07-25)
General
Add regexp searching for mid, paths, and tags.
Skip HTML tags when indexing
In particular this avoids indexing large inline images.
Command Line Interface
Bash completion is now installed to /usr/share by default.
Allow space as separator for keyword arguments.
Emacs
Support for stashing message timestamp in show and tree views
Invoking notmuch-show-stash-date with a prefix argument
stashes the unix timestamp of the current message instead of
the date string.
Don't use 'function' as variable name, workaround emacs bug 26406.
Library Changes
Add workaround for date parsing of bad input in older GMime
In certain circumstances, older GMime libraries could return negative numbers when parsing syntactically invalid dates.
Replace deprecated functions with status returning versions
API of notmuch_query{search,count}{messages,threads} has changed. notmuch_query_add_tag_exclude now returns a status value.
Add support for building against GMime 3.0.
Rename libutil.a to libnotmuch_util.a.
libnotmuch SONAME is incremented to libnotmuch.so.5.