hplip-3.12.6-fast-pp_1.patch
hplip-3.12.6-fast-pp_2.patch
Fix parallel port cpu usage
Upstream bug: https://bugs.launchpad.net/hplip/+bug/750796

hplip-3.15.6-distribution.patch
Remove uninstall, upgrade and autoconfiguration code.
Gentoo bug: https://bugs.gentoo.org/show_bug.cgi?id=434830
Upstream bug: https://bugs.launchpad.net/hplip/+bug/1080353

hplip-3.14.10-process-events-for-systray.patch
Make hp-systray compatible with kde5.
Gentoo bug: https://bugs.gentoo.org/show_bug.cgi?id=525028
Upstream bug: https://bugs.launchpad.net/hplip/+bug/1350038

hplip-3.17.9-gzip-bytes-handling.patch
Decode nickname returned from gzip.GzipFile as utf-8.
Gentoo bug: https://bugs.gentoo.org/624458
Upstream bug: https://bugs.launchpad.net/hplip/+bug/1704529
