A few days ago, polkit version 0.113 was marked stable on Gentoo amd64. Since the update, I could no longer suspend my system without entering the root password. Quite annoying, especially for a laptop. When canceling the polkit dialog, this appeared in the journal (yes, I am using systemd):
sep 10 05:22:52 sylvester.nomad.adlevio.net polkitd[18113]: Operator of unix-session:3 FAILED to authenticate to gain authorization for action org.freedesktop.login1.suspend for system-bus-name::1.96 [kded5 [kdeinit5]] (owned by unix-user:stijn)