The observation is in support of the upcoming JWST which will observe exclusively in infrared, but the newly installed WFC3 does seem to provide some extra resolution over the 2004 visible observations with WFC2.
All the mainstream media has picked up on this, but strangely not even a tweet from NASA or any of its centers. (There's been one tweet in the last 12 hours, I wonder if they're reviewing their tweeting policy. Maybe they finally decided their tweetups were dumb. No text releases either, maybe too close to the holidays.)
Good luck in comparing observations, this new release covers a region about 70% x 70% of the original, aligned with the top left corner (the North corner).