I know others were sticking with 7.1.4 because of issues with 7.2. We upgraded to 7.2.1 a couple weeks ago, and we're mostly happy. Some VIP (assistants) and I experienced pain because I hadn't been aware of these:
http://bugzilla.zimbra.com/show_bug.cgi?id=77105
http://bugzilla.zimbra.com/show_bug.cgi?id=76273
As of 7.1.4, you could move appointments to/from shared calendars. After 7.2.0, you can't. It's not clear to me to what extent this will be fixed in 8.0.
On another note...
Has anyone been able to get a quote from Zimbra sales recently? We have "mostly" decided to stick with Zimbra for at least another year, but we won't be able to if I can't get a license renewal.
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Rich Graves http://claimid.com/rcgraves
Carleton.edu Sr UNIX and Security Admin
CMC135: 507-222-7079 Cell: 952-292-6529