Currently, AHK++ officially supports only AHK v1. AHK v2 will likely work, but please open issues and be patient if complex workflows are not supported. See issue #146: Support AHK v2 AHK++ is a fork ...
Running and debugging v1 and v2 scripts without changing settings "Open help" (Ctrl + F1) opens language-specific help (and includes your text selection!) Full syntax highlighting for v2 scripts ...