Plesk 11 with php 5.4

[hardbrasil]

Hi fellas,

i was updating the yum repository... it was a long history but resuming i acidentally upgrade holy server including php version to 5.4.14
this is a new server there is only 4 client yet,

i would like to know who already made this? who are using this?
what kind of incompatibility we can get?

if is possible to roll-back?

many thanks