So far it seems to be just a UI change, it links tips for doing better(EX. Levelcapgaming's tank tips).
News for BF1 and estimated time for leveling up in battlefield 4
it looks much better in my opinion
Its much easier on the eyes
It also has message of the day(it says "Happy Friday")
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I'm just glad theyre still supporting it even with their newest game about 2 months away