Yes, version 18.3 is the most stable one. It has added patches, without not-proven new functionality.
2009/2/11 Owen O'Malley <omal...@apache.org>: > > On Feb 10, 2009, at 7:21 PM, Vadim Zaliva wrote: > >> Maybe version 0.18 >> is better suited for production environment? > > Yahoo is mostly on 0.18.3 + some patches at this point. > > -- Owen > -- M. Raşit ÖZDAŞ