Personally I think Stiepermann and Vrancic have been harshly treated this season - is Stiepermann really any worse than Duda? Not for me.
The Leeds/Buendia story is made up by Read Norwich. Complete nonsense.
As for what I have heard, nothing post Covid, but pre-Covid I had heard that Liverpool were heavily in for Cantwell, but that might be effected by Covid as they are one of the top clubs who have said they won't be spending as much.
Buendia I have heard has interest from clubs in the top flight in Spain - Atletico Madrid mentioned. Couldn't begrudge him such a move if one comes about.
Personally providing we get good fees for these players, I would sell them this summer and give Webber/Farke an actual good budget to sign players. They've had to make do with loans, small fees and free transfers for so long now, I'd like to see what they could do with some more money behind them. We also do have some replacements lined up and here already for these players, so not like we have to spend money on replacements only