Version: 2.4.6-p6

After accessing checkout shipping step, after page is loaded, my default shipping address is preselected which is fine.

Right after that, shipping methods are gets reloaded (loader is shown) and my default shipping address became not selected, so basically after that reload none of shipping addresses is selected and customer has to do it again.

If I reload the page again then it will remain pre-selected because there is no anymore that additional reload of shipping methods.