Magento released a critical patch (SUPEE-6788) that is not backwards compatible for many plugins. What version will be compatible with this?
Avatax for Magento
- Avatax for Magento version 2.6.3 released Tuesday, November 2nd 2015 will be compatible with this update for Magento.
- If you are using UPC functionality then you will need to use version 2.6.4 Released Monday, November 9th 2015.
- Later versions will also be compatible.