-Plack and Date::Parse will be optional when v1.3.0 is released,
-but required for current and older releases:
+Email::MIME will be optional as of public-inbox v1.5.0,
+it may still be used in maintainer comparison tests:
+
+* Email::MIME deb: libemail-mime-perl
+ pkg: p5-Email-MIME
+ rpm: perl-Email-MIME
+
+Plack and Date::Parse are optional as of public-inbox v1.3.0,
+but required for older releases: