* Tweak – Enable the force redirect download method by default when upgrading from version 2.x to 3.0+

* Fix – Declare singleton `get_instance()` methods static to avoid PHP deprecation warnings
* Misc – Ensure compatibility with latest WordPress and WooCommerce versions
* Localization – Ensure to load the plugin translations from the bundled `i18n/languages` directory
* Localization – Add translations in a variety of languages

* Fix – Load plugin translations from the bundled `i18n/languages` directory
* Misc – Add defensive null checks and minor cleanups across the main plugin class

* Fix – Ensure assets are compiled and enqueued in the correct order

* Add – Debug logging at silent exit points in rate calculation.
* Fix – Don't cache transient USPS API errors (429, 5xx) in rate response transients.
* Tweak – Promote genuine API failures from debug to error log level for visibility.
* Tweak – Update Jetpack Autoloader to v5.