D&D won’t change the OGL: Hasbro and Wizards capitulate to angry fans
polygon.com
polygon.com
See also: https://www.reddit.com/r/DungeonsAndDragons/comments/10muz3c...
tl;dr: OGL 1.0a being left untouched. Latest D&D mechanics (which have much more limited copyright-ability by WotC in the first place) are being released under Creative Commons.