What's changed includes information about changes in existing functionality from version 11.1.
Db2 version 11.5 contains changed functionality, deprecated functionality, and discontinued functionality to keep in mind when coding new applications or when modifying existing applications. Being aware of these changes facilitates your current application development and plans to upgrade to Version 11.5.
For information about changes to Db2 database products and features, see Functionality in Db2 product editions and Db2 offerings. For related licensing and marketing information, see the Db2 home page.