All reports of package-uses-experimental-debhelper-compat-version for the archive. The extended description of this tag is:
The debhelper compatibility version used by this package is marked as experimental by the debhelper developer. You may consider using a stable compatibility version.
The compatibility version can be set in (preferred) debian/compat or by setting and exporting DH_COMPAT in debian/rules. If it is not set in either place, debhelper defaults to the deprecated compatibility version 1.
Refer to the debhelper(7) manual page for details.
Severity: pedantic, Certainty: certain
Check: debhelper, Type: source
Evolution of the package-uses-experimental-debhelper-compat-version Lintian tag over the past 366 days:
Emitted (non-overridden): 1, overridden: 0, total: 1
The package names link to the relevant maintainer page and the corresponding report for the source package. The links go to the full maintainer report page, which includes info and experimental tags and overridden tags, rather than the default page that shows only errors and warnings.
vmm 0.6.2-2 (source)