The global search field in the top-right corner has been improved. Starting to type in it will show all hosts with matching strings in any part of the name, not only in the beginning of the name as before.
The global search field can now also match the technical name to the visible name of the host. In this case the matching visible name is listed as an option, but not highlighted:
A filter has been added for discovery rule filtering in Monitoring → Discovery. The filter replaces the dropdown from previous Zabbix versions. If you start typing the name in the filter, all matching enabled discovery rules will be listed for selection.
More than one discovery rule can be selected now.
The form for item/trigger/graph copying to other targets has been changed:
In item mass update the preprocessing options are now separated into their own tab.