Some download links take you to a "thank you for your purchase" (?) page, or, a page which makes you wait for the download link to appear. This needs to be handled gracefully rather than ignoring text/html responses to download requests.
It seems that eventually the download links do start working. Leaving the download URLs to be retried at a later date is probably OK for now. The download link preparation seems to be automatic.
Some download links take you to a "thank you for your purchase" (?) page, or, a page which makes you wait for the download link to appear. This needs to be handled gracefully rather than ignoring
text/html
responses to download requests.