Log Message:
Updating to zabbix version 3.4.7.

Pkgsrc changes:
 * for zabbix-frontend, adjust PLIST

Upstream changes are lots and lots since the previous 3.2.10 release
we packaged.  Highlights from https://www.zabbix.com/whats_new

 * Dashboards have been re-designed
 * Dependencies between collectd items has been introduced,
   allowing parallel collection in some cases
 * Pre-processing of collectd data has been improved
 * Remote command execution via proxies has been introduced
 * Time periods now have macros for e.g. 30s, 5m, etc.
 * Configurable JMX endpoints have been introduced
 * Efficient network device monitoring via templates has been added
 * Various server-side improvements has been implemented
 * Various frontend improvements have been implemented
 * It's now possible to be notified when ACKs are done
 * Alert processing is now parallelized
 * Scripts and commands now have their exit status checked and handled

There doesn't seem to be a public on-the-web copy of the change log,
so inspect the sources' ChangeLog file for further details.