https://www.flyertalk.com/forum/travel-tools/1623427-ita-matrix-powertools-userscript-orbitz-dl-ua-aa-ba-cz-ib-la-lh-lx-tk.html

Sorry for being a noob. Are you referring to this ?

A lot of the links that generated from the script (Expedia, cheapoair, delta, etc.) loses the infant on lap. Some just became the default 1 adult, some includes the baby as an adult...

Thanks in advance.