Software Engineer @vercel | Open-source maintainer
Joined January 2019
- Tweets258
- Following341
- Followers5.4K
- Likes1.1K
JJ Kasper retweeted
eve is like Next.js, for agents
framework for building agents. one folder, durable by default β
nitter.cf/vercel/status/20671800β¦
Introducing eve, an agent framework.
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Like Next.js, for agents.
vercel.com/blog/introducing-β¦
Excited to see what Eve powered agents will do π Itβs been a lot of fun working on this!
Introducing eve, an agent framework.
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Like Next.js, for agents.
vercel.com/blog/introducing-β¦
JJ Kasper retweeted
Next.js 16.2 introduces a stable Adapter API, built with Netlify, Cloudflare, OpenNext, AWS, and Google Cloud. But the API is only part of the story.
Next.js is used by millions of developers across every major cloud, and making it work well everywhere is on us. Here are our commitments.
nextjs.org/nextjs-across-plaβ¦
JJ Kasper retweeted
Next.js 16.2
β’ Up to ~60% faster rendering
β’ Up to ~400% faster πππ‘π πππ startup
β’ Server Function πππ logging
β’ Redesigned error page
β’ Better hydration errors
β’ π΄ππππ.πππππ display in error overlay
nextjs.org/blog/next-16-2
JJ Kasper retweeted
The incredible eng team behind workflow has sunk way many hours and brain cycles into this - @TooTallNate, @schniz,@_ijjk, @dillon_mulroy, @adriandlam_ and Peter Wielander
Not to mention the much longer list of contributors across the company who helped bring this dream alive
JJ Kasper retweeted
Next.js 16
β’ Cache Components
β’ Turbopack enabled by default
β’ Turbopack file system caching (beta)
β’ Optimized navigations and prefetching
β’ Improved caching APIs
β’ Build Adapters API (alpha)
β’ React 19.2
nextjs.org/blog/next-16
JJ Kasper retweeted
Next.js 15.5
β’ Turbopack for builds (beta)
β’ Node.js middleware (stable)
β’ TypeScript support improvements
β’ `next lint` command deprecation
β’ Next.js 16 deprecation warnings
nextjs.org/blog/next-15-5
JJ Kasper retweeted
Next.js 15.4
β’ Turbopack Builds: 100% integration test compatibility for next build --turbopack
β’ General stability and performance improvements
β’ A preview of what's coming in Next 16
nextjs.org/blog/next-15-4
JJ Kasper retweeted
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 π
JJ Kasper retweeted
Next.js 15.3
β’ Turbopack for builds (alpha)
β’ Community support for Rspack (experimental)
β’ Client Instrumentation hook
β’ Navigation hooks
β’ TypeScript plugin improvements
nextjs.org/15-3
JJ Kasper retweeted
Next.js 15.2
β’ Redesigned Error UI & Improved Stack Traces
β’ Streaming Metadata
β’ Turbopack Performance Improvements
β’ View Transitions (experimental)
β’ Node.js Middleware (experimental)
nextjs.org/blog/next-15-2
JJ Kasper retweeted
Next.js 15.1
β’ React 19 (stable)
β’ Improved errors and source maps
β’ `after`Β (stable)
β’ `forbidden`Β / `unauthorized`Β (experimental)
β’ CSS inlining (experimental)
nextjs.org/15-1
JJ Kasper retweeted
Next.js 15 and Turbopack Dev are now stable.
Upgrade automatically with our new CLI and codemods.
nextjs.org/15
RT @nextjs: Next.js 15 RC2
β’ Upgrade CLI
β’ Turbopack for dev
β’ ESLint 9 support
β’ Async Request APIs
β’ Server Actions improvements
β’ Self-β¦
JJ Kasper retweeted
Next.js Conf is here. Join us in SF or online Oct 24.
β’ Sessions led by you (apply today)
β’ Hands-on workshops led by Next.js experts
β’ Meet and learn from the community
Register now and apply to speak: vercel.fyi/conf24
JJ Kasper retweeted
Next.js 14.2
β Turbopack (RC): 99.8% of tests passing for `next dev --turbo`
β Build / Production Improvements: Reduced memory usage
β Caching Improvements: Configurable client-side cache revalidation
β Errors DX: Better hydration mismatch messages
nextjs.org/blog/next-14-2
JJ Kasper retweeted
Next.js now has 1 million monthly active developers.
80% of Next.js applications are now on v13 or later. Weβll be releasing v14.2 very soon with further improvements.
Thank you for your continued trust and support.
ALT 1,000,000 monthly active Next.js developers graphic, showing Next.js and Vercel logo with confetti
Generate away π
v0 is now open for everyone.
Generate UI in seconds with text or images.
v0.dev/
JJ Kasper retweeted
Get the best of static and dynamic rendering within the same page:
β Fast initial response with global ISR
β Fast follow dynamic content
β Defined by Suspense boundaries
β No new APIs
Learn more about experimental Partial Prerendering in Next.js 14.
vercel.com/blog/partial-prerβ¦
