"We are unable to discuss details of the complex legal matters surrounding this issue at this time," Beamdog said in an FAQ section related to the announcement. "Please be aware that we are extremely unhappy with the situation and are doing our best to work past it. We have put a lot of hard work into this series, and are eager for fans to see it."
Until those contractual issues are ironed out, the situation means the launch of Baldur's Gate 2: Enhanced Edition is on hold. Hopefully things will be resolved with as little delay as possible, lest whatever's getting in the way desires the holy wrath of Boo.