Alden Ehrenreich showed up to Star Wars Celebration today to officially announce he is playing a younger Han Solo in the characters upcoming spinoff film. The news of his casting was made months ago so no real surprise here. Spinoff directors Phil Lord and Chris Miller announced that thousands of actors auditioned for the role and that Alden was the very first person they saw. Alden also screen-tested with Chewie in the Falcon.
Also confirmed today at the same panel: Episode VIII will pick up right where The Force Awakens left off.