If you change a PO line detail, Confirmed PO will revert to Released state. I am not aware of any direct way to change the status from Confirmed to Release.
Below I have provided screenshots from IFS Cloud.
I believe same workaround should work for APP10 as well.
We use 3 different kinds of cookies. You can choose which cookies you want to accept. We need basic cookies to make this site work, therefore these are the minimum you can select. Learn more about our cookies.