After having Community Test Environments for Battlefield 3 and 4, developer DICE has announced that is launching one for Battlefield 1, starting with PC.
If you aren't familiar with the CTEs, they are basically servers that give players a chance to test new content, find bugs, check stability and offer feedback so the dev team can makes fixes or adjustments as needed before the content goes live. Right now, DICE said in an FAQ that it will only have the next update on the CTEs, but will eventually add more content down the road.
While the move is starting with PC, DICE said it hopes to get PS4 and Xbox One players set up with CTEs soon. Only a select group of players from the community will get codes to start. The codes will be redeemable through Origin to allow PC access. If you aren't one of the early ones selected, you can sign up for a chance at access to the CTE through the Battlefield app.