JJ Kasper @_ijjk
Software Engineer @vercel | Next.js maintainer | Open-source github.com/ijjk San Francisco, CA Joined January 2019-
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Next.js 15.5 • Turbopack for builds (beta) • Node.js middleware (stable) • TypeScript support improvements • `next lint` command deprecation • Next.js 16 deprecation warnings nextjs.org/blog/next-15-5
Next.js 15.4 • Turbopack Builds: 100% integration test compatibility for next build --turbopack • General stability and performance improvements • A preview of what's coming in Next 16 nextjs.org/blog/next-15-4
Worthy of applause: @nextjs will soon support adapters to deploy on any platform (@Cloudflare, @awscloud, etc.) Great talk by @_ijjk at @ReactSummit!
Excited to share our latest progress with adapters in Next.js! Join my talk to see how adapters can simplify deploying your apps everywhere 🚀
Excited to share our latest progress with adapters in Next.js! Join my talk to see how adapters can simplify deploying your apps everywhere 🚀
Next.js 15.3 • Turbopack for builds (alpha) • Community support for Rspack (experimental) • Client Instrumentation hook • Navigation hooks • TypeScript plugin improvements nextjs.org/15-3
Next.js 15.2 • Redesigned Error UI & Improved Stack Traces • Streaming Metadata • Turbopack Performance Improvements • View Transitions (experimental) • Node.js Middleware (experimental) nextjs.org/blog/next-15-2
Next.js 15.1 • React 19 (stable) • Improved errors and source maps • `after` (stable) • `forbidden` / `unauthorized` (experimental) • CSS inlining (experimental) nextjs.org/15-1
Next.js 15 and Turbopack Dev are now stable. Upgrade automatically with our new CLI and codemods. nextjs.org/15
Next.js Conf is here. Join us in SF or online Oct 24. • Sessions led by you (apply today) • Hands-on workshops led by Next.js experts • Meet and learn from the community Register now and apply to speak: vercel.fyi/conf24
Next.js 14.2 ◆ Turbopack (RC): 99.8% of tests passing for `next dev --turbo` ◆ Build / Production Improvements: Reduced memory usage ◆ Caching Improvements: Configurable client-side cache revalidation ◆ Errors DX: Better hydration mismatch messages nextjs.org/blog/next-14-2
Next.js now has 1 million monthly active developers. 80% of Next.js applications are now on v13 or later. We’ll be releasing v14.2 very soon with further improvements. Thank you for your continued trust and support.
Generate away 🚀
Get the best of static and dynamic rendering within the same page: ◆ Fast initial response with global ISR ◆ Fast follow dynamic content ◆ Defined by Suspense boundaries ◆ No new APIs Learn more about experimental Partial Prerendering in Next.js 14. vercel.com/blog/partial-p…
Next.js 14 ◆ next dev --turbo ↳ 53% faster local server startup ↳ 94% faster code updates ◆ Server Actions (Stable) ◆ Partial Prerendering (Preview) ◆ New Next.js Learn Course ↳ App Router ↳ Authentication ↳ Postgres nextjs.org/14
Next.js 13.5 ◆ 22% faster local server startup ◆ 29% faster HMR (Fast Refresh) ◆ 40% less memory usage ◆ Optimized package imports ◆ `next/image` improvements ◆ And over 438 bugs patched! nextjs.org/13-5
Next.js Conf returns to SF and online on Oct 26. Register and claim your ticket today. nextjs.org/conf?s=x
You shouldn't have to worry about resource errors from how frequently you ship, latest version of Next.js can protect against skew!
You shouldn't have to worry about resource errors from how frequently you ship, latest version of Next.js can protect against skew!
Have an invite code for the blue site. Whoever replies with the most creative Next.js feature request gets it!
Was a great first podcast experience, thanks @bdougieYO for having me on!
Was a great first podcast experience, thanks @bdougieYO for having me on!

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