libappstream3 0.9.4-1ubuntu4 (arm64 binary) in ubuntu xenial

 AppStream is a cross-distribution effort for creating and sharing
 metadata of software components available in the package repositories
 of a distribution.
 It provides specifications for an unified software component metadata format
 and provides tools to read, write and validate the metadata.
 .
 This package contains a GObject-based library to access AppStream
 services, like the software component metadata database.
 It also contains functions for working with AppStream XML metadata.