Werk #19080: HTML email: Show correct summary for bulk notifications

Component Notifications
Title HTML email: Show correct summary for bulk notifications
Date Dec 18, 2025
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.4.0p19 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

The "Event Summary" for bulk notifications always showed the same host for every entry, even when the bulk contained notifications for different hosts.

This happened because the bulk summary was generated using the context of the first notification in the bulk.

This issue has been fixed.

Furthermore, the actual event date is now also used for bulk notifications, just as it has been for single notifications since Werk #18861.

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