As shown in the chart below, the Portlet API had around 16,000 downloads/month a year ago, and is now close to 30,000 downloads/month and increasing.

The breakdown shows that the Portlet 2.0 API is still by far the most downloaded, but downloads for the Portlet 3.0 API are rising steadily, indicating that Portlet 3.0 is gaining adoption.

At the time of this writing, the Portlet 3.0 API is fully implemented in the following portals:

• Liferay Portal 7.1 CE GA4
• Apache Pluto 3.0.0, 3.0.1, 3.1.0