Hello @v.topalo,
You can have only one app installed across multiple accounts/sellers without the need to change its Vendor. Once you have the same app with the same vendor installed in all these sellers, if you develop a new feature or bugfix and want to update it in all installed accounts, you can simply use the following command: “vtex deploy {appvendor}.{appname}@{appversion}”. This command will update the version across all accounts that have this app installed. For more information, you can refer to the following links:
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