Release Notes for Zabbix 5.0.16rc1

20 September 2021

Zabbix Team is pleased to announce the availability of Zabbix 5.0.16rc1.

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at http://www.gnu.org/copyleft/gpl.txt.

This document contains the release notes for Zabbix 5.0.16rc1. Download here.

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

---

New Features and Improvements

ZBXNEXT-6840	Improved protocol to support Zabbix proxy configuration of size up to 16 GB; improved performance and memory usage by freeing uncompressed data as fast as possible and compressing before connection Agent Proxy Server
ZBXNEXT-6784	Removed item being unsupported when swap is not configured Agent
ZBXNEXT-6852	Updated localization for Zabbix Support URL Frontend
ZBXNEXT-6820	Added utf8mb3 when checking for supported mysql character sets and collations Server

---

Bug Fixes

ZBX-19814	Added ignoring final result in case if fping quits on a signal Server
ZBX-19931	Fixed crash on big-endian systems when processing history Proxy Server
ZBX-19440	Added utf-8 support to zbx_set_json_strerror Server
ZBX-19864	Fixed preprocessing of "Checkpoint sync time" item, fixed the regex in preprocessing in the "Ping time" item, fixed SQL request in the "Get transactions" item in "DB PostgreSQL" template Templates
ZBX-19614	Fixed proc.num,proc.cpu.utilization,proc.mem metrics not working properly when compiled with unsupported Go version and improved performance by using functions introduced in Go 1.16 Agent
ZBX-19120	Fixed escaping values in resolved macros in item test form for HTTP items when Request body type is JSON or XML Frontend
ZBX-19580	Fixed date format mismatch in UI elements that are loaded via JavaScript Frontend
ZBX-19817	Fixed module config not being stored in database when module is discovered Frontend
ZBX-19675	Fixed Zabbix agent 2 -R windows service crash Agent
ZBX-19865	Fixed typos in "F5 Big-IP SNMP" template Templates
ZBX-19849	Fixed a trigger name typo in the "MSSQL by ODBC" template Templates
ZBX-19613	Fixed Zabbix agent 2 redis plugin to closer match redis-cli connection Agent
ZBX-19510	Fixed re-reading of old Windows events for various Windows event system synchronization problems Agent
ZBX-16803	Fixed ability to use Interface Guid in network interface LLD Agent
ZBX-19236	Fixed task manager constantly busy with close_problem task if trigger no longer exists but event still exist Server
ZBX-18680	Fixed multi-channel notification issue in "Slack" media type Templates
ZBX-19623	Fixed Jira Service Desk URL in webhook Templates
ZBX-19822	Fixed Zabbix server not to populate housekeeper table with tasks that are never deleted when TimescaleDB partitioning is used API Server
ZBX-19857	Dropped support for the non-working option "with_gui_access" in the usergroup.get() method API

---

Installation and Upgrade Notes

Installation

See Zabbix documentation for full details.

Upgrade

See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 5.0.16.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please Contact sales for pricing and more details.

• Zabbix Enterprise Support
• Zabbix Training
• Zabbix Development services

---

References

Zabbix 5.0 Manual