To streamline the add-on discovery experience for users in the G Suite Marketplace, publication of both public and private add-ons to the Chrome Web Store is deprecated. Chrome extensions continue to be presented in the Chrome Web Store and aren't affected by this change.
Add-on developers were notified of this change with instructions to migrate their add-on listing to the G Suite Marketplace. If you've already completed this migration process, no further action is necessary.
For future add-ons, use the G Suite Marketplace publishing process.