If Minecraft just released a new update & you would like to play it, you can update your server to the Newest version by following this guide
Login to the Kinetic Panel
Stop your server by clicking the power button, then click the square icon.
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Locate and open the "Version Installer" menu.
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In the Version Installer menu, you can select what loader you're using on your server. Then, you can select a version to install on the right side of the screen.
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When you click "Install Version", you'll be met with a pop-up screen asking you if you want to make an instance before installing. An instance is similar to a backup, where you can roll back your server to its state before the installation took place.
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Once the installation has complete, you'll be able to confirm the installation by looking at the top of the screen on the Version Installer menu.
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You can now start your server by clicking the power button, then click the play button.
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