Default OpenGL ES 3.0

Since KF HDX based on Android 4.2.2 it means there is no support for OpenGL ES 3.0 though the hardware is capable, is there any chance FireOS for HDX ever upgrade to Android 4.3 in future. This is my first Kindle so not aware of Amazon OS upgrade policy / history.
Noir A900
MIUI v5 3.11.23