Changelog - openITCOCKPIT - 5.9.0

Security

• Security: HostsController - Disable and Enable of hosts does not check container write permissions

Refactoring

• Refactor System Health to calculate percentages for determining warning and critical thresholds for CPU load
• Dashboard: Operations Summary - Query Performance

New Features

• Graphing show long time historical data as preview
• Option to exclude Disks from System Health Check
• Downtimes: Display actual start, end time and duration
• ImportModule: Add ManageEngine Applications Monitoring
• Contribute TelegramModule as official openITCOCKPIT Module

Improvements

• Angular 22

Bug fixes

• Services of service groups not grouped in Map Details panel
• Filter Allocation: Filter for Host- and Service groups the user can not see in select boxes
• Search for missing UUID breaks global search dropdown menu
• Automaps: PHP warnings when opening service modal
• Timeperiods used by show wrong name for service templates
• MapModule: Statuspage and Statuspage group items (Label and link are missing)

Many thanks @binsky08 for contributing the Telegram Module

Blog post: https://openitcockpit.io/blog/posts/2026/2026-10-22-openitcockpit-5.9.0/