Note, New Features hasn't updated yet for today, so there may be more coming! This is everything we could find so far.
Burlap
This seems to be based off of the Luxury Acara Plushie:
If you plan on creating a Burlap Acara, check out our Modeling page, as we'll need your help!
Over at Uni's Clothing shop, an outfit based on Granny Hopbobbin is available:
TNT has also completed the HTML5 conversion on some previous Acara pet day wearables as well, so they should now appear on your customisations again!
A new cologne is available at the Grooming shop:
And lastly, a Pet Day mystery capsule is available at the NC Mall:
