Back in December last year, Google announced plans to drop Exchange ActiveSync (EAS) support for Google Calendar and Contacts which was so far used by Windows Phone users to keep their devices in sync with Google services and the original deadline Google gave Microsoft for implementing CalDAV and CardDAV was January 30, 2013. Later, Google expanded this deadline to August 1, 2014 which means it's today. From that point, it was said that consumers won't be able to set up new devices using Google Sync; however, existing Google Sync connections were said to continue to function. Now, The Verge got the info that this August deadline was stretched again - to December 31, 2013.
"We've reached an agreement with Google to extend support for new Windows Phone connections to the Google Sync service through December 31, 2013," says a Microsoft spokesperson in a statement to The Verge
That's indeed good news since it means new users of a Windows Phone will be still able to link the contacts and calendar database to Gmail; even if their new devices aren't running Microsoft's Windows Phone GDR2 update, Microsoft has just started to roll-out to a couple of Windows Phone 8 users. GDR2 is already supporting CalDAV and CardDAV and therefore, GDR2 users don't have to rely on Microsoft's Exchange ActiveSync implementation only. Nevertheless, Windows Phone 7.x users will be out of luck since a CalDAV/CardDAV support isn't planned for this - outdated - OS anymore. But end of the year should give everybody enough time to get their Windows Phones linked to Gmail.
UPDATE: Google has now also updated its Google Sync support page where it also confirms the extended support of Windows Phone: "Windows Phone users can continue to set up new device connections with Google Sync through December 31, 2013. Windows 8 and Windows RT users can access Gmail, Google Calendar, and Google Contacts through their browsers."
Cheers ~ Arne