Not working as intended as the template hook should be preventing both. Would you be able to PM me admin login details so I can take a look at your theme?
Which feature is that? Redeem? Can you screenshot what you are talking about please?
I tested with PHP 8.1 on my test board. So that should be the up to date version going forward.
Are you using the very latest version? I believe this was a bug a few versions back but has since been fixed.
Are you just pasting the url or html code with <a> tag?
Can you please PM me, I will see if I can include a patch for this. Otherwise will need to refund as I didn't realize I didn't have that setup for the downloads app.
https://invisioncommunity.com/forums/topic/416812-donations-support/?do=findComment&comment=2892278
Thanks for reporting back. I've had other reports that Paypal fixed this on their end around Jun 17/18.