Hi there,
I have exactly the same problem than I’m trying to figure out for WEEKS…
It’s also important for me to get these “Processing” notifications.
In my case, we send products on production only after receiving orders. The “On-hold” notifications say to customers : “Your order will not be validated and processed until after receipt of the funds”. Then, we have to notice them when the payment have been received.
Of course we can use the “processing order email action”, that’s what I’m doing. But that means you have to do it manually. I think it would make sense to be able to get manually this notification.
It’s also not really understandable on WooCommerce E-mails Settings when we read “This is a notification when …” (for all e-mails) —> “Enable this email notification”.
If you want to skip this stage, then “Disable” it, no?
Cheers