I\'m having trouble understanding on what exact course of action should I take in terms of the API v2 to v3 change. We are currently relying on YouTube comments. Information her
More detail in here: https://code.google.com/p/gdata-issues/issues/detail?id=5046
v3 of the comments feature is about to launch. v2 version of comments feeds won't be turned down in April 21st and will be open for a grace period.
We suggest you to migrate all features to v3 (including comments when it's launched) asap.