> For the complete documentation index, see [llms.txt](https://docs.digitalriver.com/salesforce-lightning/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.digitalriver.com/salesforce-lightning/salesforce-lightning-b2b-commerce-app-1.2.1/introduction/whats-new-in-version-1.1.md).

# What's new in version 1.2.1

Learn about new features for the Digital River app version 1.2.1 for Salesforce Lightning.

We added the following new features to this version of the app:

* Support for the Synchronized Checkout Flow
* Support for Promotions and Coupons
* Enhanced ability to customize the checkout flow through additional designer attributes and event handlers for all components