Werk #19087: HTML Email: Add missing custom host/service notes URL in test notifications

Component

Notifications

Title

HTML Email: Add missing custom host/service notes URL in test notifications

Date

Feb 2, 2026

Level

Trivial Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.6.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.4.0p21	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)

Test notifications showed empty values when using the "Additional details" - "Custom host/service notes URL" option in the HTML Email parameter.

This issue did not affect real monitoring notifications, which continued to display the correct information.