We have just published a small sample app demonstrating how to implement a new product dimension using extension only. It is using the Extensible product and tracking dimensions framework available in 7.3. For the sake of demonstration, we have added a new product dimension named Flavor, and we are binding it to Inventory Dimension 1 field.
The sample app is available on GitHub here: https://github.com/Microsoft/Product-flavor-dimension-sample-app
Feel free to share, comment and contribute on GitHub.
What a great way to end a year with extensibility in focus. A lot has happened and especially 4 things stand out for me:
Happy holidays, and many wishes for a great New Year.