InfoQ Homepage TypeScript Content on InfoQ
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Vitest Team Releases Version 4.0 with Stable Browser Mode and Visual Regression Testing
Vitest 4.0, the Vite testing framework, revolutionizes browser-based testing with stabilizations, built-in visual regression support, and enhanced debugging. With major features like stable Browser Mode and Playwright Traces integration, it streamlines workflows. Developers benefit from a smoother upgrade path and an optimized experience, reinforcing Vitest as a comprehensive testing solution.
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Vercel’s Next.js 16: Explicit Caching, Turbopack Stability, and Improved Developer Tooling
Unlock the potential of full-stack web development with Next.js 16! This robust release features revolutionary Cache Components, enhanced routing, and Turbopack as the default bundler for lightning-fast builds. Experience architectural breakthroughs and AI-powered debugging. Upgrade today to optimize performance and streamline your development process!
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Accessibility with Interactive Components at React Advanced Conf
Dynamic React speaker Aurora Scharff captivated attendees at React Advanced 2025 with her talk on "Building Interactive Async UI with React 19 and Ariakit." She showcased ARIAKit, an open-source accessibility library that empowers developers to create WCAG-compliant components effortlessly, blending modern React patterns with customizable, accessible UI primitives.
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Introducing Evalite: the TypeScript Testing Tool for AI Powered Apps
Evalite is a TypeScript-native eval runner designed for AI applications, enabling developers to create reproducible evals with rich outputs. Featuring first-class trace capture, scoring, and a user-friendly web UI, Evalite enhances testing ergonomics and iteration speed. Open-source under MIT, it seamlessly integrates with any LLM, ensuring complete data control and fostering rapid development.
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Google Ships Angular 21: Signal Forms, Zoneless Migration, and AI-First Tooling
Angular 21 introduces groundbreaking advancements in web development, featuring Signal Forms for enhanced composability, zoneless change detection for streamlined performance, and AI-driven tools for improved developer experiences. This release emphasizes stability while optimizing reactivity and enabling smoother migrations, making it a game-changer for enterprise applications.
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New Token-Oriented Object Notation (TOON) Hopes to Cut LLM Costs by Reducing Token Consumption
The recently released Token-Oriented Object Notation (TOON) aims to be a schema-aware alternative to JSON that significantly reduces token consumption at a similar level of accuracy. While the existence and importance of token saved depend on the data shape, some benchmarks show TOON may use in some cases 40% fewer tokens than JSON, possibly resulting in LLM and inference cost savings.
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AnalogJS 2.0: Angular Full Stack Framework Introduces Content Resources & Leaner Builds
AnalogJS 2.0 has launched, enhancing Angular development with new content management features, optimized builds, and upgraded tooling. This full-stack meta-framework simplifies handling content as reactive resources while reducing bundle sizes and installation footprints. Embrace seamless migration for a modern, efficient web experience tailored for content-rich applications.
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VoidZero’s Rolldown Library: Rollup Compatible API with the Speed of Rust
Rolldown is a cutting-edge JavaScript/TypeScript bundler, crafted in Rust for unmatched speed and efficiency. Delivering 10-30x faster performance than Rollup, it seamlessly integrates with existing Rollup plugins, enhancing modern build workflows with advanced features. Ideal for large-scale applications and frameworks, Rolldown epitomizes the future of web bundling.
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TanStack Start: A New Meta Framework Powered by React or SolidJS
Introducing TanStack Start v1—a revolutionary full-stack framework for React and Solid applications. Built on TanStack Router and Vite, it offers type-safe APIs, streaming SSR, and universal deployment. Optimized for performance and flexibility, TanStack Start presents a compelling alternative to Next.js, catering to modern development needs with seamless integration and incremental adoption.
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Vite+ Unveiled with Unified Toolchain and Rust Powered Core
Introducing Vite+ by VoidZero: a groundbreaking unified JavaScript toolchain enhancing the Vite ecosystem. With an all-in-one CLI for app scaffolding, testing, linting, and more, Vite+ delivers performance gains of up to 40x and enterprise features, all while ensuring compatibility and support for existing users. Ideal for modern teams, Vite+ promises streamlined workflows and robust scalability.
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Deno 2.5 Brings Support for Permission Sets and Test API Hooks
Deno 2.5 has arrived, enhancing the secure JavaScript/TypeScript runtime with new permission sets, refined testing hooks, and performance boosts. Upgrading to V8 14.0 and TypeScript 5.9.2, it unlocks advanced features while evolving the Temporal API. Explore improved WebSocket headers, bundling capabilities, and more for seamless development.
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Meta Ships React 19.2 Featuring Activity API, Cache Signals, and SSR Enhancements
React 19.2 introduces new APIs and performance improvements focused on better UI control and server rendering. Key additions include the new Activity component for managing UI states without losing component state, and the useEffectEvent hook, which separates event logic from effect dependencies.
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Nuqs Adds Debounce, Standard Schema Integration and Key Isolation
Nuqs, the type-safe URL state manager for React, just rolled out exciting features in version 2.5, including debounced URL updates, standardized schema generation, and improved re-render control. With experimental TanStack Router support and zero runtime dependencies, Nuqs enhances URL management while maintaining a lightweight footprint. Elevate your React applications with Nuqs!
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Apollo GraphQL Client 4.0 Released with Leaner Bundles and Strengthened TypeScript Safety
Apollo GraphQL has launched Apollo Client 4.0, featuring a streamlined architecture, enhanced TypeScript support, and modular APIs to reduce bundle sizes by 20-30%. Key updates include opt-in features, improved error handling, and a decoupled core library, making it easier for developers to manage GraphQL operations across various frameworks. Feedback has been overwhelmingly positive.
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Preact 11 Beta Introduces Hydration 2.0, Default Ref Forwarding, and Modernized Bundling
Preact 11 Beta is here! This lightweight React-compatible library modernizes hydration and API ergonomics with key updates like Hydration 2.0, default ref forwarding, and streamlined bundling. It ditches legacy features for improved performance and compatibility while maintaining a small footprint. Upgrade now for a faster, cleaner development experience!