The maximum supported version for TimescaleDB is now 2.20.X.
Preprocessing diagnostics have been improved by highlighting top item IDs with the longest processing times. This information is accessible by running Zabbix server or proxy with the diaginfo runtime option, for example zabbix_server -R diaginfo=preprocessing
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To reduce processing load, item values from items that have neither preprocessing nor dependent items are added directly to the history cache or sent to the LLD manager (see Preprocessing details). Previously, all item values passed through the preprocessing manager regardless of preprocessing configuration.
The GLPi media type now supports authentication using application tokens.
For changes to existing templates and information on new templates, see Template changes.