Hi Harry, if you can't wait, ACF Pro now has this capability since start of April:
https://www.advancedcustomfields.com/changelog/
For those looking for this functionality, it seems like ACF pro will be implementing soon. Hopefully MB won't be too far behind:
ACF Support for WooCommerce high-performance order storage (HPOS).
Hi, can we get an update on this? I have a similar situation going on and wondering if there is a work around we can use in the meantime until this gets fixed.
