Dear friends of Checkmk,
the new stable release 2.4.0p30 of Checkmk is ready for download.
This stable release ships with 22 changes affecting all editions of Checkmk,
7 changes for all commercial editions, 0 Ultimate specific and
0 Ultimate with multi-tenancy specific changes.
Support periods can be found here: Checkmk versions
Changes in all Checkmk editions:
Checks & agents
- 19448 Kubernetes 1.34 is now officially supported…
- 19208 SEC: Update idna to 3.7 to address GHSA-jjg7-2v4v-x38h…
- 19191 FIX: mk-sql: skip inaccessible databases in SQL Server Always On Availability Groups…
- 19955 FIX: Fix Azure Storage latency graph displaying values in seconds instead of milliseconds…
- 19285 FIX: Fix Azure usage details crash for missing or empty ResourceType…
- 19949 FIX: Fix crash in Jenkins Memory check when metric value is not a number…
- 19974 FIX: Kaspersky AV Update Status: tolerate newer agent output…
- 19864 FIX: Kubernetes: Add new Pod condition: AllContainersRestarting…
- 19249 FIX: MSSQL Transactions service linking to wrong check parameters rule…
- 19808 FIX: Piggyback hosts: do not remove services while source data is outdated…
- 19975 FIX: Postfix status: don’t crash on empty queue name in agent output…
- 19875 FIX: aruba_sw_temp: tolerate additional MIB sensor states…
- 19876 FIX: checkpoint_powersupply: skip rows with empty SNMP index…
- 19877 FIX: domino_info: don’t crash on empty SNMP response…
- 19706 FIX: haproxy: Support for new socket path…
- 19140 FIX: ibm_svc_host: critical state no longer overridden by warning threshold…
- 19879 FIX: nvidia_smi: don’t crash when no GPU is found…
- 19803 FIX: systemd_units: Fix false ‘activating/reloading for X’ alerts…
Notifications
- 19994 FIX: HTML email: Use originating site’s timezone for ‘Event date’…
Setup
- 20007 FIX: Fix Check email migration of Cleanup messages option…
- 19584 FIX: Fix LDAPS connections failing due to inherited CRL check settings…
User interface
- 19822 FIX: Visuals: replicate saved changes to remote sites in distributed setups…
Changes in Checkmk commercial editions:
Agent Bakery
- 19239 FIX: Synthetic Monitoring: Ship RCC built with Go 1.26 to address CVE-2025-68121…
Livestatus
- 19705 FIX: stunnel: Livestatus queries over TLS may return truncated responses…
Notifications
- 19767 Add Jira Service Management Operations notification plug-in…
- 19992 ServiceNow notification plugin: custom fields on recovery, acknowledgement and downtime…
- 19769 ServiceNow notification plugin: filter the issue lookup query…
Ntopng integration
- 19621 FIX: Fix ntopng session cookie not refreshing after expiry…
User interface
- 19096 FIX: Fix timeout in alert timeline dashlet during DST transitions…
Changes in Checkmk Ultimate:
NO CHANGES
Changes in Checkmk Cloud:
NO CHANGES
Changes in Checkmk Ultimate with multi-tenancy:
NO CHANGES
You can download Checkmk from our download page: https://checkmk.com/download
List of all changes: https://checkmk.com/werks?product=cmk&version=2.4.0p30
We greatly thank you for using Checkmk and wish you a successful monitoring,
Your Checkmk Team