Google announced that they are updating the name for the Googlebot-Mobile user-agent and that if you do any special directives for that user-agent, you should be aware.
The new Googlebot for smartphones user-agent:
The Googlebot-Mobile for smartphones user-agent we will be retiring soon:
Why the change?
Google said the previous user-agent “made it impossible for Google to index smartphone content of some sites, or for Google to recognize that these sites are smartphone-optimized.”
Google also added that the “new Googlebot for smartphones crawler will follow robots.txt, robots meta tag, and HTTP header directives for Googlebot instead of Googlebot-Mobile.”
Pierre Far from Google said on Google+:
Forum discussion at Google+.
