Blizzard recently posted a long informative message detailing some new details about Heroes of The Storm to Reddit. Along with this a mock up for a brand new score screen was also posted letting fans see what the developer was planning to improve.
The message thanks fans for giving feedback on the new changes included in the recent Public Test Realm update, particularly in regards to the new score screen. With the introduction of this new score screen Blizzard have added an additional kills column to acknowledge quality assassin play. The post also details that the XP contribution stat is set to stay during the games next big patch.
If you want to see this new score screen mock up you can view the image right here.