On Mon, Jul 23, 2018 at 1:34 PM, Paul Edmon <pedmon at cfa.harvard.edu> wrote: > Yeah we've found out firsthand that its problematic as we have been seeing > issues :). Hence the urge to upgrade. what issues are you seeing? I have 2.10.4 clients pointing at 2.5.1 servers, haven't seen any obvious issues and it's been running for sometime now.