How do you announce new features?
How should I announce a new feature? The announcement should primarily be made over your blog, social media, and by sending emails to the existing customers and leads. After the release of the feature, you should set up tooltips and guides to let users know about the release inside your product.
How do you announce a new UI?
Announce user interface design changes on company website
You can either have a: “what's new” section on your website with all the recent and upcoming upgrades, or you can use a static website notification banner to deliver your message.