+Support /regex/ in new.ignore
+
+ Files and directories may be ignored based on regular expressions.
+
+Allow `notmuch insert --folder=""`
+
+ This inserts into the top level folder.
+
+Strip trailing '/' from folder path for notmuch insert
+
+ This prevents a potential problem with duplicated database records.
+
+New option --output=address for notmuch address
+
+Make `notmuch show` more robust against deleting duplicate files
+
+The option --decrypt now takes an explicit argument
+
+ The --decrypt option to `notmuch show` and `notmuch reply` now takes
+ an explicit argument. If you were used to invoking `notmuch show
+ --decrypt`, you should switch to `notmuch show --decrypt=true`.
+
+Boolean and keyword arguments now take a `--no-` prefix
+