This page has more technical info:<p><a href="https://docs.couchbase.com/server/7.0/release-notes/relnotes.html" rel="nofollow">https://docs.couchbase.com/server/7.0/release-notes/relnotes...</a><p>For example:<p>> The Community Edition license provides for free deployment of Couchbase Community Edition for departmental-scale deployments of up to five node clusters. It has recently been changed to disallow use of XDCR, which is now an exclusive Enterprise Edition feature.