12.0.0

General changes

• The code comprising the Asset Store Publishing Tools has been refactored.
• Added dependency on Newtonsoft Json

Uploader changes

• Updated window to retain its state if closed unless a domain reload occurs
• Added option to generate higher resolution asset previews when exporting
• Fixed a rare issue where authentication would fail
• Minor UI tweaks

Validator changes

• Added validation tests for:
  • Package naming
  • Project Template assets
• Updated the Type Namespace validation test to check for Unity top level namespaces

Exporter changes

• Updated how asset previews are generated/included for the package that is being exported

Preview Generator

• Added a Preview Generator window that can be used to pre-generate and inspect package previews before exporting