At the time of the last Lintian run, the following possible problems were found in packages maintained by René Moser <firstname.lastname@example.org>, listed by source package. See also the full report, including info, experimental and overridden tags. Also see their QA overview.
git-ftp (1.5.1+dfsg-1) [Uploader] §
- compression = "xz" (line 1)