Microsoft may have discontinued the Surface 2 but they are continuing to support the old Surface. The March update for the original Surface includes audio and display drivers which Microsoft “improves audio and video experience and enhances system stability.”
[updated, the fix is for the original Surface]
The updates are distributed via Windows Update. Details from Microsoft:
Audio and Display driver set (v9.17.13.0907) improves audio and video experience and enhances system stability.