Mojang have released 1.12, and it will be supported once all of the important plugins have become compatible with 1.12. If you're on 1.12 and want to go back to 1.11.2 in order to join the network, follow the tutorial down below. 1. Click on the menu up to the right. 2. Click on "Launch Options" in the menu. 3. Click on "Add New". 4. In the version menu, select "1.11.2". 5. Click on "Save". 6. Open the menu again and go back to news. 7. To the right of the "Start" button there's an arrow pointing upwards, click it. 8. Select the version with "1.11.2" and click on "Play". If you have no idea of what I'm talking about, check the images down below.