The most stable version of Adventuron is Adventuron classroom (Version 1.0.0 Beta 68j). There is also a betabeta version (Version 1.0.0 Beta 84) that has all the cutting edge changes and is subject to change without notice. It’s only for brave souls who are already experienced developers. Both have sample games that you can load and experiment with or use as a template.
There’s a list of IF-related Discord servers here: Casual interactive fiction Discord servers?