Starting January 2021, each extension’s detail page in the Chrome Web Store will show developer-provided information about the data collected by the extension, in clear and easy to understand language. Data disclosure collection is available to developers today.
Data disclosures collection will be made available to developers today, and will be displayed on the Chrome Web Store listing starting January 18, 2021.
For developers who have not yet provided privacy disclosures by January 18, 2021, a notice will be shown on their Chrome Web Store listings to inform users that the developer hasn’t certified that they comply with the Limited Use policy yet.
Chromium Blog: Transparent privacy practices for Chrome Extensions