Hi
I am new here, just want to share some recent experience:

Poland:
Mercure Cieszyn - voucher given; wine, beer, softdrinks
Ibis Kaunas Centre- voucher given, any drink
Ibis Kielce Centrum - voucher given, only small beer or 0,2l softdrink (probably some wine, but not tried to ask)
Slovakia:
Mercure Bratislava - voucher given, any drink
UK:
Ibis Edinburg Centre Royal Mile - voucher given, any drink
Ibis Manchester Centre Portland Street - no voucher, even not after ask