Since 2017-06-17, Magento 2.2 includes a new «Robots» module

dmitrii_fediuk (Dmitrii Fediuk) July 3, 2017, 1:55pm 1

https://github.com/magento/magento2/commit/33e65e0b

https://github.com/magento/magento2/blob/33e65e0b/composer.json#L160-L160

https://github.com/magento/magento2/blob/33e65e0b/app/code/Magento/Robots/README.md

The new Magento 2.2 modules (on 2017-06-21) comparing to Magento 2.1.x

dmitrii_fediuk (Dmitrii Fediuk) July 3, 2017, 1:57pm 2

See also:

The new Magento 2.2 modules (on 2017-06-21) comparing to Magento 2.1.x