Archdevs, Don't know if this is worth a note on the page for manual intervention, but on update earlier today we received: :: Synchronizing package databases... core 158.6 KiB 109 KiB/s 00:01 [######################################] 100% extra 1711.3 KiB 6.43 MiB/s 00:00 [######################################] 100% community 6.7 MiB 16.3 MiB/s 00:00 [######################################] 100% :: Starting full system upgrade... :: Replace med with community/med-openmpi? [Y/n] resolving dependencies... looking for conflicting packages... :: hdf5-openmpi and hdf5 are in conflict. Remove hdf5? [y/N] error: unresolvable package conflicts detected error: failed to prepare transaction (conflicting dependencies) :: hdf5-openmpi and hdf5 are in conflict (of course you can just say 'y' to remove hdf5, but conflict was not expecteed) -- David C. Rankin, J.D.,P.E.