After 7.1.9 there were the following public releases

7.2

7.2.1

7.2.2

7.3

7.3.1

7.4

8.1.x

8.2.x

8.3.x

The Pega 8 series is very different in the sense that we provide a much more rapid and frequent patch releases for each major/minor release. (Also the reason why I left it generic with the .x)

Regarding the end of support question, please refer to this post here. https://community1.pega.com/community/pega-support/question/prpc-suppor…