---
title: "KMS Server 1.18.6"
description: "Enhanced CPIX Content ID validation"
---
> For the complete documentation index, see [llms.txt](/llms.txt).

- **Enhanced CPIX Content ID validation**

  - Added empty value validation for CPIX cid parameter to prevent processing errors (error code 2515)

- **CPIX Content ID length validation**

  - Implemented maximum length check (200 characters) for CPIX cid to ensure data integrity (error code 2516)

- **DoveRunner CPIX endpoint**

  - Added new CPIX API endpoint (/v2/cpix/doverunner/getKey) to support DoveRunner rebranding initiative

- **Widevine PSSH provider update**

  - Changed the Widevine Protection System Specific Header (PSSH) provider identifier from "inkaentworks" to "doverunner" for brand consistency