At the time of the last Lintian run, the following possible problems were found in packages maintained by Adrien Grellier <email@example.com>, listed by source package. See also the full report, including info, experimental and overridden tags. Also see their QA overview.
calligra (1:3.1.0+dfsg-2) [Uploader] §
calligra-gemini (1:3.1.0+dfsg-2+b1; main)