|Title||Web-API: Prevent adding wrong encoded labels to hosts / rulesets|
|Checkmk Edition||Checkmk Raw Edition (CRE)|
|Compatibility||Compatible - no manual interaction needed|
In previous 1.6 releases the Web API did not validate the labels that could e.g. be added to hosts strictly enough. When using "python" as "request_format" this could result in a broken configuration, leading to exceptions in several places of the GUI.
The Web API now ensures the received labes are all unicode strings as Checkmk expects.