Liferay Workspace’s Target Platform feature and Upgrade Planner take a lot of manual intervention out of upgrading to Liferay DXP 7.1. Target Platform facilitates updating dependencies to Liferay DXP 7.1, and the Upgrade Planner helps you adapt plugins to Liferay DXP 7.1’s API. This tutorial explains the plugin upgrade steps.
Here are the plugin upgrade steps:
Update your Liferay Workspace to that latest version.
Update your Liferay DXP-related dependencies by setting your Target Platform to the latest version of Liferay DXP 7.1. (Optional)
Adapt your code to Liferay DXP 7.1’s API using the Upgrade Planner. The Upgrade Tool shows you where breaking changes affect your code and addresses many of them automatically.
Congratulations! Your upgraded plugin is ready to deploy to Liferay DXP 7.1.