More like The Qt Company has business commitments which means they cannot do dumb shit. 5.7 just open sourced the vast majority of their proprietary extensions,

More like The Qt Company has business commitments which means they cannot do dumb shit. 5.7 just open sourced the vast majority of their proprietary extensions, and the whole thing is now available under LGPLv3 or GPLv2 or later, which is about as free as it gets.