Google 2-Step Verification in Mac OS X 10.10.3
On OS X 10.10.2 and earlier, users setting up their machines to access Google accounts with 2-Step Verification enabled have had to use this app-specific password option. Users trying to log in with their standard Google account passwords are met with error messages informing them they need to use this option.
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But as noticed by developer Jonathan Wight, the new OS X 10.10.3 beta now fully supports 2-Step Verification, allowing users to log in with their standard passwords and unique verification codes.
I guess Apple really does like embedded browser views.