Or has it been changed in 0 8 0 is my

nah it hasn't been touched. It is technically a beta feature

Definitely welcome a PR, because I'm not sure where it will sit on the priority stack 😅

Who implemented it? I'd love to talk about how it works

cause

right now it's pretty hit or miss if it manages to get the nodes right

Looks like Jerry implemented it. The code for it isnt terribly complicated if you wanted to take a stab at tweaking it

https://github.com/jerryjliu/llama_index/blob/main/llama_index/tools/query_plan.py