Beginning with Elastic Stack version 7.7, App Search and Workplace Search are bundled together. Both products will be available as a single Elastic Enterprise Search deployment.
It will no longer be possible to create an App Search deployment with versions starting on 7.7. Instead, to get the same functionality now combined with the features of Workplace Search, choose the Elastic Enterprise Search deployment type.
In order to provide an easier transition, at the same time that we add Elastic Enterprise Search support, we will also add an assistant to help users move from their 7.6 App Search deployments to Elastic Enterprise Search deployments.