I just reviewed the email that Oracle sent out “Reminder: SuiteCommerce Developer Tools Require Updates for Token-Based Authentication” and reviewed the help article “Token-Based Authentication Updates for Developer Tools”
https://nlcorp.app.netsuite.com/app/help/helpcenter.nl?fid=article_9132912150.html. It appears that with this latest update, the .nstba file is being replaced with a .env file that lives in the SCA folder. Has anyone implemented the changes and can confirm this?
The use of the .nstba file was convenient for switching between sandbox and production accounts. The use of the .env file will be like going backwards to the old .nsdeploy file.