I'd argue that something has radically changed within Google.
Personally, I don't mind the new interface that much -- once it's in compact view and you change to a darker theme. They did make some significant improvements for folks who live in multiple Google Accounts, and I think the Google+ integration is pretty slick.
But, there is no way that incessant testing produced metrics leading to the default white-on-white theme and non-compact view configuration. Maybe they surveyed people with poorly chosen questions or did something else that caused the testing to fail. But they didn't do a meaningful usability test that involved using a mail app.
GMail originally moved email UI forward with the conversation view -- I think they saw this new look as a similar thing, and pushed it out.
Personally, I don't mind the new interface that much -- once it's in compact view and you change to a darker theme. They did make some significant improvements for folks who live in multiple Google Accounts, and I think the Google+ integration is pretty slick.
But, there is no way that incessant testing produced metrics leading to the default white-on-white theme and non-compact view configuration. Maybe they surveyed people with poorly chosen questions or did something else that caused the testing to fail. But they didn't do a meaningful usability test that involved using a mail app.
GMail originally moved email UI forward with the conversation view -- I think they saw this new look as a similar thing, and pushed it out.