15 crazy new JS framework features you don’t know yet

Summary

In this video, viewers are introduced to 15 groundbreaking features in JavaScript frameworks, including React 19's compiler and Next.js 15's partial pre-rendering. The script also covers new tools like Remix, TAN Stack, and Million Lint, alongside updates to Solid JS, Svelte, Angular, and Vue.js. It highlights the evolution of frameworks like Astro, HTMX, and even the classic jQuery. The video emphasizes the importance of learning to problem-solve like a programmer, with a special offer from Brilliant to enhance programming skills.

Takeaways

• 🌟 Versell introduced NEX js15 with new features like partial pre-rendering, indicating a wave of updates in JavaScript frameworks.
• 🔄 The update to React 19 includes a new compiler feature inspired by frameworks like Svelte and Solid, allowing for ahead-of-time compilation and eliminating the need for certain hooks.
• 📈 Next.js 15 supports the React 19 compiler and introduces partial pre-rendering, enabling a mix of static and dynamic content on the same page with a single HTTP request.
• 🔧 Remix and React Router are merging into one tool called Remix, suggesting future compatibility between the two for routing in web development.
• 🚀 Tan Stack Start is a new project that aims to provide server-side rendering, potentially making Next.js and Remix obsolete.
• 🛠️ Million Lint is a new editor plugin for React that helps identify performance issues in code, enhancing development efficiency.
• 📚 Solid Start version 1.0 offers a meta framework approach similar to Next.js but with minimalism and customizable routing.
• 🔮 Svelte's version 5 introduces a radical new approach using 'runes' for reactive data identification, a compiler macro system.
• 🔄 Angular 18 now supports signal-based change detection with the introduction of 'signals', simplifying code and reducing bundle size.
• 🌬️ Vue.js is developing 'Vue Vapor' mode, a new compilation strategy that aims to maximize performance by surgically updating the DOM.
• 🔄 Quick 2.0 is a notable update in the JavaScript framework space, though specific details are not provided in the script.
• 🔄 Mitosis is a tool that allows writing components in a subset of JSX and compiling them to various frameworks, including React and Svelte.
• 📦 HTM X version 2.0 represents a minimal update, focusing on removing bloat rather than adding new features.
• 🌐 The release of jQuery 4.0 emphasizes the removal of unnecessary features, showing a trend towards streamlined frameworks.
• 📈 Astro project now uses the React 19 compiler and introduces 'Astro Actions' for handling form submissions on both client and server sides.
• 🌐 Hono X is a new project offering server-side rendering with client-side hydration, allowing customization of the rendering process.
• 📦 JSR is a new package manager that transpiles TypeScript and generates API documentation, also providing a registry for JavaScript developers.
• 🎓 The video ends with a promotion for Brilliant, an educational platform focusing on problem-solving skills in programming with hands-on exercises.

Q & A

What new JavaScript framework features were introduced in the last few months according to the transcript?

The transcript mentions 15 new features in frontend JavaScript frameworks, including partial pre-rendering in Next.js 15, a new compiler in React 19, and updates in other frameworks like Remix, React Router, Svelte, Angular, and Vue.js.

What is the significance of the new compiler feature in React 19?

The new compiler feature in React 19 allows for ahead-of-time code compilation, eliminating the need for hooks like use memo and use callback, as the framework can now determine what needs to be rendered without these hooks.

What is partial pre-rendering and how does it work in Next.js 15?

Partial pre-rendering in Next.js 15 allows developers to have both static and dynamic content on the same page, handling everything from a single HTTP request. This is useful for pages that require a combination of static content that doesn't change often and dynamic content that changes frequently.

What is the new project called Remix for a Reason and how does it relate to React Router?

Remix for a Reason is a new project that merges Remix and React Router into one tool. This means that in the future, developers will be able to integrate their Remix code back into React Router code.

What does the new TAN stack project, TAN stack start, aim to provide?

TAN stack start aims to provide features like server-side rendering, which could potentially make Next.js and Remix obsolete by offering similar functionalities across multiple frameworks, including React.

What is Million Lint and how does it benefit React projects?

Million Lint is an editor plugin that analyzes code to find performance issues. It is beneficial for any React project as it helps identify and fix issues that could affect the performance of the application.

What is Solid Start and how does it differ from Next.js?

Solid Start is a meta framework like Next.js for SolidJS, but it serves everything minimal and a la carte, allowing developers to customize even the default file system routing to work the way they want.

What changes were introduced in Svelte version 5?

Svelte version 5 introduced a radical new approach to identifying reactive data using runes, which are compiler macros that tell Svelte how to identify reactive data under the hood, backed by signals like in SolidJS.

What is the significance of Angular 18's support for signals?

Angular 18's support for signals allows developers to write code that is easier to read and debug while also reducing the bundle size, enhancing the performance of the application.

What is Vue Vapor mode and how does it improve performance?

Vue Vapor mode is a new compilation strategy that eliminates the virtual DOM and instead updates the regular DOM surgically, squeezing out every last bit of performance from Vue.js, which is already a very fast framework.

What is the role of Mitosis in relation to JavaScript frameworks?

Mitosis is a tool that allows developers to write components using a subset of JSX and then compile them to any framework like React, Vue, or Svelte. It is essentially a framework for frameworks, even capable of converting Figma components into framework code.

What are Astro actions and how do they simplify form handling?

Astro actions are a feature that allows developers to submit an HTML form and write a function to handle that form submission on the server. This simplifies handling form state and UI updates on both the backend and frontend.

What is the new project Hono X and how does it differ from traditional server-side rendering?

Hono X is a new project that provides server-side rendering with client-side hydration for frontend components but allows developers to bring their own renderer, offering customization in how the framework works, unlike traditional server-side rendering approaches.

What is the JSR package manager and how does it differ from existing package managers?

JSR is a new package manager that automatically transpiles TypeScript code and generates API documentation. It also puts JavaScript developers on a registry, offering a unique feature not found in other package managers.

How does the Brilliant platform help in learning programming concepts and problem-solving?

The Brilliant platform introduces essential programming concepts and provides hands-on exercises that develop the brain to recognize and solve complex problems. It encourages daily learning habits that can improve programming skills over time.