--- title: Why local-first matters for JavaScript | daily.dev description: A roundup of the most compelling recent developments in the JavaScript ecosystem. Key highlights include the rise of local-first SQL datastores in the browser... canonical: https://daily.dev/posts/why-local-first-matters-for-javascript-72fzuqij4 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Why local-first matters for JavaScript | daily.dev og:description: A roundup of the most compelling recent developments in the JavaScript ecosystem. Key highlights include the rise of local-first SQL datastores in the browser... og:url: https://daily.dev/posts/why-local-first-matters-for-javascript-72fzuqij4 og:image: https://api.daily.dev/og/posts/72fZuqIj4.png og:image:alt: Why local-first matters for JavaScript og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Why local-first matters for JavaScript **[InfoWorld](https://daily.dev/sources/infoworld)** · 3 min read · 1 upvotes · 0 comments ## Summary A roundup of the most compelling recent developments in the JavaScript ecosystem. Key highlights include the rise of local-first SQL datastores in the browser (PGlite, RxDB), WinterTC's push for truly universal isomorphic JavaScript across Node/Deno/Bun/Cloudflare Workers, the growing adoption of reactive Signals for state management, and JSR as a modern alternative to NPM with built-in TypeScript support. Also covered: Deno Deploy reaching general availability as a full-stack edge platform with AI-code sandboxing, and ESLint v10 dropping the legacy .eslintrc config format in favor of flat config. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Local-first browser data gets real](https://daily.dev/posts/local-first-browser-data-gets-real-3peuc7cfi) · InfoWorld · 1 upvotes · 0 comments - [Friday Links \#37 — JavaScript Trends & Tools](https://daily.dev/posts/friday-links-37-javascript-trends-tools-wcfijgz2p) · JS Dev Space · 0 upvotes · 0 comments - [Issue \#802: Functional programming jargon, mapped out — JavaScript Weekly](https://daily.dev/posts/issue-802-functional-programming-jargon-mapped-out-javascript-weekly-pe0dx6hyr) · JavaScript Weekly · 3 upvotes · 0 comments - [Nine unlikely trends shaping software development](https://daily.dev/posts/nine-unlikely-trends-shaping-software-development-dgxiizlg3) · InfoWorld · 18 upvotes · 2 comments --- Tags: [#deno](https://daily.dev/tags/deno), [#javascript](https://daily.dev/tags/javascript), [#local-first](https://daily.dev/tags/local-first) [View this post on daily.dev](https://daily.dev/posts/why-local-first-matters-for-javascript-72fzuqij4) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Why local-first matters for JavaScript","url":"https://daily.dev/posts/why-local-first-matters-for-javascript-72fzuqij4","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/why-local-first-matters-for-javascript-72fzuqij4"},"datePublished":"2026-03-06T09:06:28.789Z","dateModified":"2026-05-14T02:13:41.265Z","description":"A roundup of the most compelling recent developments in the JavaScript ecosystem. 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