During the currently ongoing virtual IDUG EMEA 2020 conference IBM released Mod Pack 5 for Db2 11.5. As it is with modification packs, it brings a long list of new features and enhancements to the current version of Db2. You can download this new release and other Db2 versions from the usual Db2 download page. As of this writing, the Db2 Docker image has not been updated.