Hello,
The life cylce for Db2 Tools from CA is described in the following article:Understanding the Lifecycle of Db2 Tools from CA
At this stage, there is no specific target date to turn v20 "Feature Stable" and start v21 "Continuous Delivery".
Customers using Db2 11 may use CA Db2 Tools v19 or v20, and customers using Db2 12 (or customers who want to benefit from the latest functionalities in our tools) are strongly encouraged to use CA Db2 Tools v20.
Regards,
Ph. Dubost
Product Offering Manager
Db2 Tools from CA