At the time of the last Lintian run, the following possible problems were found in packages maintained by Nicholas Guriev <email@example.com>, listed by source package. See also the full report, including info, experimental and overridden tags. Also see their QA overview.
telegram-desktop (1.5.11-1) §
- lib/xdg/telegramdesktop.appdata.xml (cc0-1.0 != gpl-3.0+ with openssl exception)