New posts in appstream

Ubuntu 18.04 update problem "g_strchug: assertion 'string != NULL' failed" [duplicate]

appstreamcli: AppStream system cache was updated, but problems were found: Metadata files have errors: /var/cache/app-info/xmls/fwupd.xml

16.04 apt updates appstream

Ubuntu 16.04: appstreamcli error while get-update [duplicate]

16.04 apt updates appstream

What is AppStream? Why is it installed? What is it doing?

E: Problem executing scripts APT::Update::Post-Invoke-Success [duplicate]

appstreamcli hanging with 100% CPU usage during update

apt cpu-load gnome-software appstream

E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update