Below you can find the latest resources for Sitefinity:
Sitefinity 5.4 Ecommerce Highlights
Goes over the highlight of 5.4 release in Ecommerce module, namely WishList, Salses Summary reports, Advanced Taxes claculation, API and Additional improvements.
Customizing the order confirmation email in Sitefinity Ecommerce
Explains in details how to add custom order fields to the order confirmation email.
Extending Sitefinity ContentSelectorsDesignerViews
Elaborates on how ContentView controls designers work, and how you can extend one of the default views to plug custom business logic on the client.
Two versions of jQuery are loaded at the same time
Explains how to deal with cases where two jQuery versions are loaded on a Sitefinity page
Exlpains how to handle cases where your control inherits from one of our frontend widgets and uses jQuery, jQuery Cookie or jQuery Validate after the changes in Sitefinity 5.4
Sitefinity Lightning fails when the project is upgraded to 5.4
Explains how to deal with issues running Sitefinity Lightning with version 5.4