New Interaction APIs Coming in WordPress 6.5

Today, WordPress contributor Carlos Bravo made a big announcement: a new feature called the 'Interaction API' will be added to WordPress version 6.5. This new API was released last year and has been tested and improved through the Gutenberg plugin, and is now finally ready to become part of WordPress core.

What is the Interaction API?

Currently, WordPress developers face a challenge: there are no uniform rules that guide how to create interactive elements. They need to pick their own tools, decide how to make them work with WordPress, determine how the different parts communicate with each other, and make tradeoffs for front-end performance for each new project.

The Interactivity API was created to solve this problem. It gives developers a unified approach to creating interactive elements that is both fixed and flexible. We hope this will help developers focus more on building what they want, rather than obsessing over how to build it.

What does this mean for users?

The Interactivity API team recently showed off a cool feature where they used a movie website as an example. On this site, a user clicks on a heart icon in a movie listing and the number of hearts increases, and it all happens instantly without refreshing the page. This means that developers and engineering teams can easily implement these features without diving into the underlying code.

Imagine you want to build a recipe site and you want to allow visitors to create their own shopping lists and automatically calculate prices and display them in their local currency. This is what the Interactivity API can help with. It allows you to create these dynamic elements using the WordPress block editor. This way, as visitors add or remove ingredients to their shopping list, the list and total price will instantly update, making the whole experience smoother and more fun.
What are the implications for developers?

Beyond the technical details of the Interactivity API, let's understand this more concretely with a shopping list. Imagine that this shopping list consists of blocks made by three different developers. the Interactivity API ensures that these different blocks load smoothly and communicate with each other, resulting in a unified and efficient experience for the user.

The original intent of this API was to allow different functional blocks to freely combine and collaborate with each other, just like Lego blocks. This means that in the future, we can combine and even nest various function blocks together to create entirely new structures and experiences.

This makes it easy for users to make the site do what they want it to do without the need for an in-depth understanding of programming. In the future, these chunks of interaction will be able to work together seamlessly, no longer limited by the constraints set by their original developers. This means that users will be able to create new patterns and interactions that may go far beyond the initial design goals.

The introduction of the Interactivity API may mark a turning point in the history of WordPress, and it could usher in a new chapter in the way WordPress is used. Imagine that today's single page applications (SPAs) are often complex and expensive, and not all users can easily use them. But with the Interactivity API, we could be looking at a whole new type of application that is built on WordPress, but offers users an interactive experience like never before. Imagine how exciting it would be to make it easy for the average user to create and use these advanced modes?
How does this affect WordPress business?

The Interactivity API is a big boon for the average user! As different site blocks (such as buttons, images, text boxes, etc.) begin to work better together, you'll be able to enjoy more interactive features. This means you can expect a much more functional rich and complex interactive experience.

One of the exciting points about this API is that it could open up entirely new types of products, which is a big opportunity for businesses that want to monetize. As more interactions move to the block level, new ways of collaborating will arise. Imagine business users leveraging a set of pre-approved blocks to build applications that are both efficient and secure, all within their familiar environment.

This may just be the tip of the iceberg. While we're only seeing some initial changes right now, WordPress is expected to continue to stay ahead of the pack with innovations like the Interactivity API.

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