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Release Notes for Áú»¢¶Ä²© 4.0.11rc1

Áú»¢¶Ä²© Team is pleased to announce the availability of Áú»¢¶Ä²© 4.0.11rc1.

Áú»¢¶Ä²© is an enterprise-class open source distributed monitoring solution. Áú»¢¶Ä²© 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 .

This document contains the release notes for Áú»¢¶Ä²© 4.0.11rc1. 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

Added support of full JsonPath functionality Proxy Server
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Blocked zero item history/trends period being overridden by global configuration Frontend Proxy Server

Bug Fixes

Fixed preprocessing steps having incorrect order and duplicate step numbers API
Fixed possibility to add graph widget overrides Frontend
Fixed LLD to update preprocessing step number in case it is incorrectly generated Server
Fixed debug log message for suppressed escalations; thanks to Kotaro Miyashita for the patch Server
Fixed compiler warnings in host.c; thanks to Glebs Ivanovskis for the patch Proxy Server
Reduced PCRE recursion limit Agent Proxy Server
Fixed async dashboard widget update Frontend
Improved performance of the SQL queries with lot of IDs in the condition API
Fixed compilation Áú»¢¶Ä²© agent for Windows with options available for Windows Vista and newer Installation
Fixed compilation warining related to prototypes of module API functions Agent Proxy Server
Eliminated possible infinite fetch loop with OracleDB Proxy Server
Fixed JS memory leak in hintboxes in graph widget Frontend
Fixed duplicate value checking in trigger action conditions Frontend
Reworked history.get API method; fixed output as well as other known issues in history API API
Fixed error messages in XML export files Frontend
Fixed PostgreSQL bad performance on history tables API
Preserve trailing spaces in history values Frontend
Improved performance of map navigation tree widget Frontend
Fixed when unknown resource logged in audit log when working with dashboards Frontend
Fixed duplicate triggers can be created using API and XML import API
Fixed displaying of very small values that are more than 2 decimal points in latest data Frontend
Fixed when Plain Text Widgets do not display as HTML when option is selected Frontend
Fixed confusing error message "Cannot read JSON." in HTTP agent item API Frontend
Fixed memory leak in IPC service when queueing multiple messages to client Proxy Server
Fixed undefined offset in CControllerWidgetProblemHostsView Frontend
Added mounted filesystems to vfs.fs.discovery of windows agent Agent
Fixed Áú»¢¶Ä²© server not to cause foreign key constraint failure on Áú»¢¶Ä²© proxy when changing and sending configuration at the same time Server
Fixed 500 Internal Server Error when trying to preview pie/exploded graph without items Frontend
Improved Áú»¢¶Ä²© daemon termination by not using signal unsafe functions in signal handler; improved Áú»¢¶Ä²© server and Áú»¢¶Ä²© proxy process termination by stopping data collection and waiting for history syncers to finish Agent Proxy Server

Installation and Upgrade Notes

Installation

See Áú»¢¶Ä²© documentation for full details.

Upgrade

See Upgrade procedure for upgrade options and instructions. For version specific upgrade notes, see Upgrade notes for 4.0.11.

Commercial support

Áú»¢¶Ä²© Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Áú»¢¶Ä²©. Please Contact sales for pricing and more details.

References

Áú»¢¶Ä²© 4.0 Manual

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