. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1559 6 Supported functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1659 13 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1659 14 Python library for Zabbix API . . . . . . . . . . . . . . geographical maps. For more information see the Geomap dashboard widget and geographical maps. Functions Functions for Prometheus histograms It has been possible to collect Prometheus metrics in Zabbix for

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1692 6 Supported functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1791 13 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1791 14 Python library for Zabbix API . . . . . . . . . . . . . . situations when the prolonged preprocessing of one item holds up others. This change adds a new required library for Zabbix server/proxy - libevent_pthreads. See also: Preprocessing details Value cache optimization

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1749 6 Supported functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1850 13 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1850 14 Python library for Zabbix API . . . . . . . . . . . . . . only the total of hosts, without breakdown by interfaces, has been introduced. Functions New functions New functions have been added for use in trigger expressions and calculated items: • jsonpath()

. . . 1543 13 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1543 14 Python library for Zabbix API . . . . . . . . . . . . . . PersistentBufferPeriod • PersistentBufferFile Crypto libraries Support of the mbedTLS (PolarSSL) crypto library has been discontinued. JMX monitoring attributes with tabular data Support of tabular data objects JavaScript code. JavaScript functions for MD5 and SHA256 calculation 27 The functions for MD5 and SHA256 hash calculation have been added to global JavaScript functions. JavaScript memory limit The

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1573 6 Supported functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1670 13 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1670 14 Service added for hosts, host tags, items, item tags, item preprocessing, trig- gers, trigger tags and functions to lessen synchronization time and database load when configuration is being updated on an already

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1352 3 13 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1352 14 Issues regular items and item prototypes. Substring extraction of low-level discovery macro value Macro functions are now supported with low-level discovery macros, allowing to extract a certain part of the macro field of a trigger prototype: For more information on macro function syntax, see: Macro functions. Macro functions are supported in all locations where low-level discovery macros can be used, except for

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1691 6 Supported functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1806 15 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1806 16 Issues aggregate calculations) • Aggregated items no longer exist as a separate item type (former aggregate functions, such as grpsum, grpavg, etc have been changed to sum_foreach, avg_foreach, etc to be used in calculated

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1376 16 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1376 17 Issues experimental basis in Zabbix 4.2, is now official. See also: Migration to TimescaleDB Aggregation functions in graphs Along with data display in graphs as bars, the new version also introduces the possibility webhook media type for pushing Zabbix notifications to Discord libssh support Support of the libssh library (starting from version 0.6.0) has been added. Previously only libssh2 was supported for SSH checks

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1258 15 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1258 16 Issues animated GIF images to use in Zabbix maps. To support animated GIF upload, the required minimum GD library version is now 2.0.28. 14 HTML notifications Email notifications can now be sent in HTML format filter allowing to view triggers of more than one host, greatly increasing the usability of such functions as mass update. Also, the dropdowns of host and host group selection have been removed as these

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1123 15 Zabbix sender dynamic link library for Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1123 16 Issues as well as the pattern to look for. For more details, see the JMX discovery section. 10 PCRE library for regular expressions Regular expression support in Zabbix has been switched from POSIX extended the license giving permission that the code of Zabbix is linked with the OpenSSL project OpenSSL library (see README file in Zabbix source code). Daemon improvements • Support of OpenSSL 1.1.1 has been