Maybe? I don't think we had an official word on it.
People claim to have seen Lae'zel making merry with either Wyll or Astarion during the party if none of them are romanced, but I personally never saw it.
Gale kind of flitrs with Shadowheart, but it doesn't really lead to anything, so who knows?
Apart from that I didn't see much of any platonic relationships forming, could be EA didn't have it or it was too early for it.
Not gonna lie, would be kind of nice, I fondly remember Minsc adopting Aerie as his new witch and Keldorn mentoring Anomen.