The link below has information on the latest version of the character controller.
opsive.com
The following add-ons were also updated:
opsive.com
Some files were moved from the PUN add-on to the character controller package so you should update in the following order:
1. Remove the PUN add-on.
2. Update the character controller.
3. Import the PUN add-on again.

Ultimate Character Controller 3.0.8 Released - Opsive
Version 3.0.8 of the Ultimate Character Controller is making its way to the Opsive Store and the Asset Store. If you are upgrading from version . . .

The following add-ons were also updated:

PUN Multiplayer Add-On 2.0.2 Released - Opsive
Version 2.0.2 of the PUN Multiplayer Add-On is making its way to the Opsive Store and the Asset Store. This version rearranges the shared networking . . .

Some files were moved from the PUN add-on to the character controller package so you should update in the following order:
1. Remove the PUN add-on.
2. Update the character controller.
3. Import the PUN add-on again.