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Stop WordPress sending anything but essential data during the update check.
By default, WordPress sends the following data during the version update check:
- Current WordPress version
- Language
- PHP version
- MySQL version
- If multisite in enabled
- Number of websites the WordPress install is running (this will be 1 unless it is a multisite)
- Number of users
- The WordPress database version during initial installation
The WordPress dashboard does not currently provide a way to opt-out of this data collection, but WordPress 4.9 introduced the ability to change whether this data is sent.
This plugin ensures only essential data – current WordPress version and language – are sent during the update check.
There are no options to configure with this plugin.