Is it normal for PayPal to hold funds until after delivery?

I’ve received my first orders yay

However there was a problem integrating with PayPal

I’ve now fixed this however PayPal have the funds on hold until after delivery even though tracking numbers are provided

Is this normal as I could potentially cause me problems with large value backorder items ?

Please let know what exactly the problem you have been facing. PayPal holds money for variety of reasons and sometimes, if you are not fast enough to add tracking number, they could hold money too