It wasn't much of a fork anyway, more of a rebellion over project management. The LEDE gang were all the major active developers and OpenWRT withered and died for the last 18 months. Think Xorg or Libreoffice.
All that's happened now is that the OpenWRT project owners have admitted defeat, handed over the cherished brand and allowed the project to be managed in the more open way that the LEDE guys wanted.
Biting the hand that feeds IT
