Is facebook shop plugin supported for nopcommerce 4.2 version?

Is facook shop plugin supported for nopcommerce 4.2 version?

What plugin do you mean ?
You may need to contact the developer

I mean facebook shop plugin, their authors are nopcommerce team. What can I do ?

No, the "facebook shop" plugin by nopCommerce team only has
  Supported versions: 3.90, 4.00, 4.10

https://www.nopcommerce.com/en/facebook-shop

You can check the other third party plugins to see if they support 4.20

https://www.nopcommerce.com/en/extensions?searchterm=facebook

Hi there, we (nopStation) can downgrade our plugin to support nop version 4.20 for you, please contact us at [email protected]
https://www.nopcommerce.com/en/nopstation-facebook-shop-plugin
Also if you want we could upgrade nopCommerce facebook shop plugin to 4.20 version also.