Duolingo XH from EN versions:

Paths:
0.1: 2023-08-20, 13 Skills (13 Different Lessons) (9 units) (Beta)
0.2: 2023-09-10, 15 Skills (15 Different Lessons) (10 units) (Beta)
1.0: 2023-11-28, 15 Skills (15 Different Lessons) (10 units) (Beta)
0.0: REMOVED on 2024-04-20  :(

https://liuch.github.io/duolingo_courses_overview/
https://duolingo.fandom.com/wiki/Course_list
https://duolingodata.com/
https://duolingodata.com/oldtable.html
https://ardslot.com/duolingocrowns.html

Edited by Mat!/Ozone, 2024-05-02.