The libgdamm3.0 package was recently added to Debian. The version in unstable (3.0.0) is considered a stable release of the library. Previously, the binary package names in ubuntu and debian differed, but the recent version of libgdamm3.0 in ubuntu changed the package names to be in line with debian.
The debian package started out as a sync from ubuntu (see changelog above).
The libgdamm3.0 package was recently added to Debian. The version in unstable (3.0.0) is considered a stable release of the library. Previously, the binary package names in ubuntu and debian differed, but the recent version of libgdamm3.0 in ubuntu changed the package names to be in line with debian.
The debian package started out as a sync from ubuntu (see changelog above).