This module was tested on 11th July 2019, using Drupal 8.7.3 with DX8 5.5.0 using version 8.x-2.0-alpha3 of the module.
There are no known issues using the Tablefield module with DX8.
Link to the module
The module can be found on Drupal.org here.
Not working for you?
If this is not working for you, raise a ticket with our Customer Success team on our help center and we will look into your issue.