A huge week for both Svelte and Next.js

Svelte 5 is Alive — The long awaited next major release of Svelte, the compiler-driven JS UI framework, is the “most significant release in the project’s history”, while remaining largely backwards compatible. A big addition is runes for explicitly declaring reactive state, but there’s much more besides. The official svelte.dev site has also undergone a big rebuild to act as an ‘omnisite’ for all things Svelte.

The Svelte Team

FlexGrid by Wijmo: The Industry-Leading JavaScript Datagrid — A fast and flexible DataGrid for building modern web apps. Key features and virtualized rendering are included in the grid module. Pick and choose special features to keep your app small. Built for JavaScript, extended to Angular, React, and Vue.

Wijmo From MESCIUS inc sponsor

GenAIScript: Microsoft's Generative AI Scripting Environment — Microsoft is really poking at AI from all angles. TypeChat introduced a type-safe way to talk to LLMs; now GenAIScript offers a JavaScript-powered way to programmatically assemble prompts and process responses. They claim it “brings essential LLM prompt tooling into a cohesive scripting environment.”

Microsoft

Next.js 15 Released — It’s a big week for the popular (some may even argue default) React framework with Next.js Conf starting today, as well as this release. It includes a codemod CLI for easier upgrading, async request APIs, alignment with React 19, and more.

Vercel

New Wallaby 2.0 - Works with All Editors - A Massive Step Forward for JavaScript Testing — Experience faster JavaScript debugging, real-time insights, & enhanced coverage monitoring with Wallaby 2.0's integrated UI.

Wallaby Team sponsor

Why I’m Skeptical of Rewriting JavaScript Tools in “Faster” Languages — Rewriting common JS infrastructure / build tools in ‘faster’ languages like Rust, Zig or Go has become popular in recent years, but is it necessary, asks Nolan?

Nolan Lawson

How to Create a Modern SPA with Django and Vue — If you can handle some Python in your life, Django is a powerful backend web framework and it’s quite happy to be paired up with a Vue.js frontend with GraphQL providing the glue.

The Dev Space

Learn How to Build a Full Stack Application Using React Native & Expo — Build a cross-platform full-stack app using a single codebase with scalable backend support and authentication.

Clerk sponsor

match-sorter 7.0: Deterministic Best-Match Array Sorting — If you have an array of items you want to filter and sort ‘intelligently’ and deterministically, this offers a well-described, predictable algorithm. Play with a live CodeSandbox demo.

Kent C. Dodds

🤖 Transformers.js v3: Run Transformers in the Browser — A JS port of Hugging Face’s transformers Python library that can run natural language, vision, and audio machine learning models right in the browser. v3 adds WebGPU support for boosted performance and now supports Node, Deno and Bun too.

Hugging Face

Build Forms from JSON Using Drag & Drop UI — SurveyJS Libraries for Surveys & Forms — Integrate a JSON form editor with any backend. Enjoy complete control over your data with unlimited users and forms — no restrictions.

SurveyJS sponsor

Fetch Mock 12.0: Mock Requests by the fetch API — A flexible API for mocking HTTP requests made by fetch or fetch-imitating libraries. Supports browsers, Node, and web/service workers.

Rhys Evans

📊 Vizzu 0.14: A Library for Animated Data Visualizations — Making visualizations is one thing; animating them is much harder. Vizzu helps you create animated data stories and interactive explorers with a variety of showcase examples for inspiration.

Vizzu Inc.

eslint-plugin-functional: Rules to Promote Functional Programming — This isn’t for me, but if you want to encourage (or even force) a lack of mutation and a use of FP techniques in your codebase, this could be for you.

Jonas Kello

Radix Vue: Unstyled, Accessible Components for Vue.js — An unofficial Vue port of the popular Radix UI component library. GitHub repo.

zernonia et al.