The link below has information on the latest version of the character controller.
opsive.com
The update has been released on the Opsive Store. I'll edit this post when it has been released on the Asset Store.
Edit: The Asset Store version has been released.

Ultimate Character Controller 3.0.18 Released - Opsive
Version 3.0.18 of the Ultimate Character Controller is making its way to the Opsive Store and the Asset Store. If you are upgrading from version . . .

The update has been released on the Opsive Store. I'll edit this post when it has been released on the Asset Store.
Edit: The Asset Store version has been released.
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