(for context, I don’t work Asana)
Asking here is the best way to get Asana’s attention. Keep in mind that asking, even if hundreds of people ask, is not enough for a lot of reason (🦄 If Wishes Were Unicorns: Why Asana Might Not Have Implemented that Feature Request (and other thoughts about Asana feature development and product strategy)). Subtasks have been historically a very heated topic here on the forum, but also internally. What you ask → a lot of people don’t want. Which means Asana would have to implement an “option”, or “customisation”. Making Asana more complex, harder to train people on, harder to maintain etc