The most interesting new for me is the release of the new Bun version, now it's possible to build some small apps without any external dependencies
News
Announces Bun v1.3 as a full-stack batteries-included JavaScript runtime with hot-reloading dev server, unified SQL API, built-in Redis client, and major Node.js compatibility improvements aimed at replacing Vite and similar tools for frontend and backend development. I'm considering to do my next pet project on a full-stack Bun
Details recent changes and features in Firefox 144.0, including performance improvements, bug fixes, and enhanced support for web standards. The most interesting part is the support of the View Transition. Now It's supported on all major browsers
Article
Explains how naive serialization/deserialization in React can cause performance issues—especially unnecessary re-renders—and describes incremental steps and advanced techniques (like structural sharing, inspired by TanStack Query) to optimize React state updates from string data sources.
Discusses using useSyncExternalStore for SSR-friendly React hydration while avoiding mismatches and improving INP. Presents an advanced pattern combining useDeferredValue for concurrent, Suspense-safe hydration, and highlights pitfalls and optimized UX strategies.
Describes Joist ORM's optimizations using lazy class fields to improve TypeScript ORM speeds, providing a method for avoiding expensive database loads and enabling a 30x speedup without decorators or transforms. This is for very special hardcore optimisation of the JS code
Official documentation for the View Transitions API in Chrome, enabling smooth transitions between pages and UI states for Single Page Applications, with practical implementation tips.
Beginner's guide to using the View Transitions API via MDN, for adding animated transitions in modern web apps; includes easy-to-follow examples for front-end developers.
Library&tools
Skeleton is an adaptive open-source design system powered by Tailwind CSS, offering components and tooling for modern web frameworks like Svelte and React, emphasizing accessibility and flexible theming.
Home of Kaluma, a tiny, fast JavaScript runtime for RP2040 microcontrollers. Designed to be friendly for Node.js and Arduino developers, includes modern JS support, built-in modules (FS, networking, graphics), and programmable I/O in JS.
JSON Joy is a JavaScript library for implementing CRDTs (Conflict-free Replicated Data Types) and collaborative editing in JSON, focusing on real-time, offline-first, multiplayer, and schema validation—positioned for local-first apps and efficient state sync.
Site for Schedule X, a highly customizable and modern scheduling/calendar UI component for web applications. Focuses on developer experience, extensibility, and advanced views for enterprise software.
Ky is a lightweight modern HTTP client for browsers based on the Fetch API, offering concise APIs and helpful utilities for making HTTP requests in JavaScript apps.
JsonRiver is an open-source toolkit for streaming and parsing large JSON objects efficiently, ideal for parsing on the fly bit JSON files
aspipes is a small library that allows to use pipes in JS right now without any code transformation. Dirty hacks under the hood
Other
Announces and explains the W3C logo refresh for 2025, discussing its symbolic meaning and the organization's push for sustainable and durable digital standards.
Site where you can watch cats eating in their feeders.