That was fast.   He of Willow and Happy Days is back, so says StarWars.com with Ron Howard to Assume Directorial Duties on the Untitled Han Solo Film.  The release date remains unchanged - May 25, 2018 - and part of that official announcement is as follows:

Lucasfilm is pleased to announce that Academy Award-winning filmmaker Ron Howard has been named director of the untitled Han Solo film.

Howard has made some of the biggest hits and most critically-acclaimed movies of the modern era. Among his many films are Lucasfilm’s Willow, Apollo 13, A Beautiful Mind (winner of four Academy Awards, including Best Picture and Best Director), The Da Vinci Code, Frost/Nixon, and Rush. He also narrated and produced the beloved comedy series Arrested Development, starred in George Lucas’ American Graffiti, and remains a TV icon for his roles in The Andy Griffith Show and Happy Days.