At the time of the last Lintian run, the following possible problems were found in packages maintained by Joël Krähemann <firstname.lastname@example.org>, listed by source package. See also the full report, including info, experimental and overridden tags. Also see their QA overview.
gsequencer (2.2.10-1) [Uploader] §
gsequencer (2.3.3-1) [Uploader]