|Title||Check for unique keys of host labels in ruleset conditions|
|Checkmk Edition||Checkmk Raw Edition (CRE)|
|Compatibility||Compatible - no manual interaction needed|
If you used host labels like "my_key:my_value" and "my_key:my_next_value" in ruleset conditions, the rule was saved with the last "key:value" pair. From now on you will be warned, if you try to configure the same key for different host labels.