Are updates to Clip Studio Paint that add new features or improve functionality free?

This depends on the license or plan you're using.

For more details, see here.



One-time purchase (Perpetual version) licenses

Users of Ver. 1 and Ver. 2

You will be able to use them permanently, provided they work on your device.

If you wish to use the new features, you need to apply for an Update Pass.


Users of Ver. 3.0 and later

You will receive free stability updates for major bugs as needed.

If you wish to use the new features, you need to apply for an Update Pass.


Note
Please check here for more information on stability updates.



If you are subscribed to Annual/Monthly Plans

The latest version is available at no additional charge for those currently subscribed to Annual/Monthly Plans.