Dear friends of Checkmk,
the new stable release 2.5.0p4 of Checkmk is ready for download.
This stable release ships with 17 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
- 19207 FIX: mk_inventory: Remove spurious output from timestamp handling…
- 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…
- 18556 FIX: HPE StoreOnce via REST API 4.x: restore authentication after upgrade to 2.5.0…
- 19974 FIX: Kaspersky AV Update Status: tolerate newer agent output…
- 19864 FIX: Kubernetes: Add new Pod condition: AllContainersRestarting…
- 19808 FIX: Piggyback hosts: do not remove services while source data is outdated…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…
- 19807 FIX: bi_aggregation: Fix state aggregation…
- 19706 FIX: haproxy: Support for new socket path…
- 19879 FIX: nvidia_smi: don’t crash when no GPU is found…
Core & setup
- 19209 FIX: rrd: Skip RRD creation for filenames exceeding filesystem limits…
Notifications
- 19994 FIX: HTML email: Use originating site’s timezone for ‘Event date’…
Setup
- 20007 FIX: Fix Check email migration of Cleanup messages option…
User interface
- 19768 FIX: Logwatch: clarify “Clear log” confirmation dialog…
- 19599 FIX: Quick activation content hidden in small screens…
- 19973 FIX: Views: Fix “view does not exist” error when reloading the “Back to view” page…
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
- 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
- 19993 FIX: Fix crash when extending scheduled downtimes…
- 19096 FIX: Fix timeout in alert timeline dashlet during DST transitions…
Changes in Checkmk Ultimate:
NO CHANGES
Changes in Checkmk Cloud:
User interface
- 19600 FIX: Fix hidden cloud edition onboarding slidein…
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=2.5.0p4
We greatly thank you for using Checkmk and wish you a suultimatessful monitoring,
Your Checkmk Team