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Important points:
GDR1 - GDR3 are primarily about bug fixes and adding smaller features requested by OEMs. No major new OS features can be expected from any of them.
GDR2 should bring "some much-needed Xbox music app fixes". If that is true, GDR2 will be the first version of WP8 that isn't a functional downgrade from WP7.
We could possibly get WPB and still not have VPN support.
Allegedly, the Windows Phone team thinks that the current base phone operating system is largely good enough for now.
Important points:
GDR1 - GDR3 are primarily about bug fixes and adding smaller features requested by OEMs. No major new OS features can be expected from any of them.
GDR2 should bring "some much-needed Xbox music app fixes". If that is true, GDR2 will be the first version of WP8 that isn't a functional downgrade from WP7.
We could possibly get WPB and still not have VPN support.
Allegedly, the Windows Phone team thinks that the current base phone operating system is largely good enough for now.