Upgrade
You can upgrade Australia Post Shipping for Simple Commerce using composer - it's as easy as that.
For major versions, you will need to manually increment version numbers as these may include breaking changes and may need some additional changes to your code.
to 3.x New
3.x supports Statamic 5 and Simple Commerce 7 only.
Support for older versons of Statamic and Simple Commerce has been removed
Update the following dependencies in your site's composer.json
file:
mitydigital/simple-commerce-australia-post
to^3.0