Mr. Mearls has posted a great article about why certain decisions were made in the playtest and how you can change them.
It's got me assuming the additional +1 to hit with Ray of Frost and Shocking Grasp is a High-Elven racial trait with Magical Attacks.
And I hope everyone has a safe and happy Memorial Day. I'm thankful to all of the men and women who have served and died for our country. Thank you for your sacrifices.