QnA currently supports the products listed in right-hand pane (more to be added) Better to reach out to subject matter experts in dedicated forums over here.
https://techcommunity.microsoft.com/t5/sharepoint-developer/bd-p/SharePointDev
https://social.technet.microsoft.com/Forums/en-US/home?forum=SP2019
(please don't forget to mark helpful replies as answer)