just four commits diff to 0.18 compiles on amd64 arch without any problem. no open bugs. *libatasmart-0.19 (21 May 2012) 30 days passed. Please stabilize it, it's needed (soon) for udisks:2 anyway.
amd64 stable
x86 stable
ppc done
Stable for HPPA.
ppc64 done
arm stable
alpha/ia64/sh/sparc stable