At the time of the last Lintian run, the following possible problems were found in packages maintained by Martin Wimpress <email@example.com>, listed by source package. See also the full report, including info, experimental and overridden tags. Also see their QA overview.
mate-menu (19.10.1-1) [Uploader] §
mate-tweak (19.10.4-1) [Uploader] §