I also need this feature. I need to create a nesletter and send it out given some input from a form.
I need to be able to load a template, change some the selected post to be shown and send it out. How is the php workflow for this?
Also need this feature. I use a acf text field for the date of a cpt. Is it possible to add afilter to the date selection and / or how can we add additional custom fields automatically? Thanks for the support!