Rational Business Developer V220.127.116.11 is now available through Fix Central. All users of RBD V9.0.1 are highly recommended to install it.
The RBD 18.104.22.168 fix pack only contains APAR fixes. For the list of APARs in the fixpack, please go to the following link: RBD V22.214.171.124 Fix List
To find more information about the fixpack and how to download it, please go to the following link: RBD V126.96.36.199 Download Information
See the RBD V188.8.131.52 Knowledge Center for any additional information.