AppStream, Discover and metadata

Matthias Klumpp matthias at
Tue Nov 10 18:32:14 UTC 2015

2015-11-10 17:45 GMT+01:00 Aleix Pol <aleixpol at>:
> [...]
> Feedback is very welcome.

As AppStream upstream and PackageKit developer, I obviously approve
this idea :-)
The aptcc backend of PackageKit has a few shortcomings (like not being
able to process read queries in parallel), due to missing
multithreading support, but the APT team in Debian is working on
fixing APT, and I am certain that the aptcc backend will get some help
from Canonical - parallel-processing backends are a huge performance
win, and Ubuntu will definitively want that for GNOME-Software.

Adopting AppStream should be very painless, as long as the packagers
fix their metadata (for KDE, Scarlett is adding some validator code to
the CI, so we should be safe soon).
So AppStream+(PK|QApt) should definitively be the way to go :-)


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