[Release] Checkmk stable release 2.4.0p35

Dear friends of Checkmk,

the new stable release 2.4.0p35 of Checkmk is ready for download.

This stable release ships with 23 changes affecting all editions of Checkmk,
5 changes for all commercial editions, 0 Ultimate specific,
0 Ultimate with multi-tenancy specific and 0 Cloud specific changes.

Support periods can be found here: Checkmk versions

Changes in all Checkmk editions:

Checks & agents

  • 16920 Aerohive HiveManager NG: new ExtremeCloud IQ special agent…
  • 19253 Sign Windows artifacts with Azure…
  • 20183 FIX: Fix missing Docker piggyback data on Python 3.14 agent hosts…
  • 20158 FIX: Kubernetes Nodes service: Correctly count nodes that are both control plane and worker nodes…
    NOTE: Please refer to the migration notes!
  • 20108 FIX: NFS mounts: report unreadable mounts as UNKNOWN instead of CRIT “Hanging”…
  • 19966 FIX: Windows agent: remove unused pyOpenSSL from bundled Python environment…
  • 20220 FIX: filestats: Handle file modification times from the future…
  • 18756 FIX: ups_bat_temp: Fix crash when UPS reports an empty battery temperature…

Core & setup

  • 20021 FIX: Fix rule matching for an empty explicit hosts/services list…
    NOTE: Please refer to the migration notes!

Linux distributions

  • 19580 FIX: Ensure procps (pgrep) is always installed…

Metrics system

  • 20106 FIX: Cisco CPU memory: show the growth and trend graphs…
  • 20105 FIX: Growth graphs displayed values in a far too small unit…

Notifications

  • 20064 FIX: Custom host notes URL missing in service email notifications…
  • 20061 FIX: HTML email notifications: show alert handler name and output again…
  • 20066 FIX: Notification rule “Sites” filter: allow sites without configuration replication…

Other components

  • 20231 FIX: NagVis: Updated to 1.10.6…

REST API

  • 20022 FIX: REST API: reject an empty match_on list when creating or editing a rule…
    NOTE: Please refer to the migration notes!

Setup

  • 20020 FIX: Rule editor and API no longer hide an empty explicit hosts/services condition…
    NOTE: Please refer to the migration notes!
  • 20230 FIX: Host search: Fix label search matching only the label key…
  • 19479 FIX: LDAP connections will no longer hang when a connection is made but not complete…
  • 20036 FIX: Service discovery: Audit log entries for enabling and disabling services…

Site management

  • 19712 FIX: omd restore: Fix inverted vulnerability warning for Werk #18891

User interface

  • 19829 FIX: Fix GUI crash caused by custom sidebar elements from Checkmk <= 2.0…

Changes in Checkmk commercial editions:

Agent Bakery

  • 20071 FIX: Agent Bakery: Rework signature key expiry notifications…

Notifications

  • 20063 FIX: ServiceNow notifications: Preserve password from password store…

REST API

  • 19734 FIX: Fix wrong response fields for SLA outage-count and state-percentage computations…

Reporting & availability

  • 20003 SEC: Fix unauthorized users can edit foreign reports…

The Checkmk Micro Core

  • 19221 FIX: Fix processing of services with too long names…

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=2.4.0p35

We greatly thank you for using Checkmk and wish you a successful monitoring,

Your Checkmk Team