The bundled Select2 library used for searchable dropdown fields has been updated to version 3.5.1. This helps keep the web interface dependency current and may improve stability, compatibility, and translations for dropdown selection controls.

Update select2 library to version 3.5.1

Customers can now complete eCommerce billing information without entering a postal code. This reduces checkout friction for customers in locations where postal codes are not commonly used or necessary.

Fix: #985
Made postal code field of billing information optional in eCommerce module.