# Release history
source: https://developer.mastercard.com/carbon-calculator-china/documentation/release-history/index.md

This page provides a history of features implemented in the Carbon Calculator service for the China region since 2026. The table mentions the details of changes for each release:

| **Release date** | **Release version** |                                                                              **Description**                                                                               |
|------------------|---------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| April 2026       | v1.0                | Launched the Carbon Calculator file-based scoring service in the China region to provide insights into the environmental impact based on the spending habits of consumers. |