Back in May of 2019 I authored a blog post titled Portlet API downloads up over 85% in one year. If you read that post, you will see that the stats for the portlet-api artifact averaged roughly 23,000 downloads/month.
One year later, I'm pleased to report that the stats are now averaging roughly 33,000 downloads/month. That's a gain of roughly 43%! The peak was about 40,000 downloads/month and the stats are back on the rise since February, 2020.
The breakdown shows that the Portlet 2.0 API continues to be the most downloaded at 50%, but downloads for the Portlet 3.0 API are rising steadily and now make up 29%.
At the time of this writing, the Portlet 3.0 API is fully implemented in the following portals: