Jan
@amann.work
Maintainer of 🌐 https://next-intl.dev · Guest lecturer for React Web Applications at FHV · Partner for User Interface Engineering
@jamannnnnn on X
@jamannnnnn on X
Pinned
Jan
@amann.work
· Aug 12
🌐 learn.next-intl.dev is officially live!
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
🌐 next-intl 4.5.7 is out with a significant middleware performance improvement for apps that use a large number of locales!
December 1, 2025 at 3:24 PM
🌐 next-intl 4.5.7 is out with a significant middleware performance improvement for apps that use a large number of locales!
⏳ Last chance today!
It’s also a great way to support the development of next-intl! ❤️ And I guarantee you’ll learn something new. If not, you get a full refund—no questions asked.
It’s also a great way to support the development of next-intl! ❤️ And I guarantee you’ll learn something new. If not, you get a full refund—no questions asked.
The Black Friday discount is live — 40% off!
Updated for Next.js 16, lifetime updates included, lowest price it’ll ever be.
Updated for Next.js 16, lifetime updates included, lowest price it’ll ever be.
🌐 learn.next-intl.dev is officially live!
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
December 1, 2025 at 9:07 AM
⏳ Last chance today!
It’s also a great way to support the development of next-intl! ❤️ And I guarantee you’ll learn something new. If not, you get a full refund—no questions asked.
It’s also a great way to support the development of next-intl! ❤️ And I guarantee you’ll learn something new. If not, you get a full refund—no questions asked.
🌐 [email protected] is out!
Improvements for useExtracted:
→ Fixes message reset race condition
→ Stable, environment-agnostic key sorting
→ Preserves 3rd-party .po flags
→ Handle encoding in .po files
→ Updates po-parser to v1
github.com/amannn/next-...
Improvements for useExtracted:
→ Fixes message reset race condition
→ Stable, environment-agnostic key sorting
→ Preserves 3rd-party .po flags
→ Handle encoding in .po files
→ Updates po-parser to v1
github.com/amannn/next-...
Release v4.5.6 · amannn/next-intl
4.5.6 (2025-11-27)
Bug fixes for useExtracted
Handle race condition when detecting locale changes which could lead to reset of messages with useExtracted (#2131 – by @amannn)
Don't depend on envir...
github.com
November 27, 2025 at 2:45 PM
🌐 [email protected] is out!
Improvements for useExtracted:
→ Fixes message reset race condition
→ Stable, environment-agnostic key sorting
→ Preserves 3rd-party .po flags
→ Handle encoding in .po files
→ Updates po-parser to v1
github.com/amannn/next-...
Improvements for useExtracted:
→ Fixes message reset race condition
→ Stable, environment-agnostic key sorting
→ Preserves 3rd-party .po flags
→ Handle encoding in .po files
→ Updates po-parser to v1
github.com/amannn/next-...
Reposted by Jan
Before:
- Think of a message ID (This is often hard!)
- Define your message text
- reference the message ID
After:
- Tag your string as translatable
- Think of a message ID (This is often hard!)
- Define your message text
- reference the message ID
After:
- Tag your string as translatable
November 26, 2025 at 7:37 PM
Before:
- Think of a message ID (This is often hard!)
- Define your message text
- reference the message ID
After:
- Tag your string as translatable
- Think of a message ID (This is often hard!)
- Define your message text
- reference the message ID
After:
- Tag your string as translatable
The Black Friday discount is live — 40% off!
Updated for Next.js 16, lifetime updates included, lowest price it’ll ever be.
Updated for Next.js 16, lifetime updates included, lowest price it’ll ever be.
🌐 learn.next-intl.dev is officially live!
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
November 25, 2025 at 11:33 AM
The Black Friday discount is live — 40% off!
Updated for Next.js 16, lifetime updates included, lowest price it’ll ever be.
Updated for Next.js 16, lifetime updates included, lowest price it’ll ever be.
Finally switched 🌐 learn.next-intl.dev from LS over to Polar and couldn't be happier.
I thought about migrating to Stripe Managed Payments, but I didn't realize how low-level this is until I had a closer look. Polar feels like exactly the right kind of abstraction.
I thought about migrating to Stripe Managed Payments, but I didn't realize how low-level this is until I had a closer look. Polar feels like exactly the right kind of abstraction.
November 20, 2025 at 4:20 PM
Finally switched 🌐 learn.next-intl.dev from LS over to Polar and couldn't be happier.
I thought about migrating to Stripe Managed Payments, but I didn't realize how low-level this is until I had a closer look. Polar feels like exactly the right kind of abstraction.
I thought about migrating to Stripe Managed Payments, but I didn't realize how low-level this is until I had a closer look. Polar feels like exactly the right kind of abstraction.
🌐 [email protected] is out, where Donny, the creator of SWC, rewrote the AST transformer for useExtracted in Rust!
🏆 ~45% faster processing time
✅ Support for source maps
github.com/amannn/next-...
🏆 ~45% faster processing time
✅ Support for source maps
github.com/amannn/next-...
Release v4.5.4 · amannn/next-intl
4.5.4 (2025-11-19)
Bug Fixes
Move AST transformer of useExtracted to SWC plugin & handle source maps (#2114) (e63fbc5) – by @kdy1 & @amannn
github.com
November 19, 2025 at 1:30 PM
🌐 [email protected] is out, where Donny, the creator of SWC, rewrote the AST transformer for useExtracted in Rust!
🏆 ~45% faster processing time
✅ Support for source maps
github.com/amannn/next-...
🏆 ~45% faster processing time
✅ Support for source maps
github.com/amannn/next-...
I've just open-sourced the .po parser I've implemented for this feature. Might be useful in case you want to build custom tooling around!
It might also come in handy if you want to implement a custom .po formatter for useExtracted in the future.
github.com/amannn/po-pa...
It might also come in handy if you want to implement a custom .po formatter for useExtracted in the future.
github.com/amannn/po-pa...
November 14, 2025 at 2:52 PM
I've just open-sourced the .po parser I've implemented for this feature. Might be useful in case you want to build custom tooling around!
It might also come in handy if you want to implement a custom .po formatter for useExtracted in the future.
github.com/amannn/po-pa...
It might also come in handy if you want to implement a custom .po formatter for useExtracted in the future.
github.com/amannn/po-pa...
Can't say that it wasn't tempting to make it a "use extracted" directive instead, just for the fun of the controversy ⚔️
🌐 next-intl 4.5: useExtracted
→ For humans & AI
→ Next.js-first by design
→ Full Turbopack support
→ SWC-based parsing
→ For humans & AI
→ Next.js-first by design
→ Full Turbopack support
→ SWC-based parsing
November 10, 2025 at 2:31 PM
Can't say that it wasn't tempting to make it a "use extracted" directive instead, just for the fun of the controversy ⚔️
🌐 next-intl 4.5: useExtracted
→ For humans & AI
→ Next.js-first by design
→ Full Turbopack support
→ SWC-based parsing
→ For humans & AI
→ Next.js-first by design
→ Full Turbopack support
→ SWC-based parsing
November 7, 2025 at 3:25 PM
🌐 next-intl 4.5: useExtracted
→ For humans & AI
→ Next.js-first by design
→ Full Turbopack support
→ SWC-based parsing
→ For humans & AI
→ Next.js-first by design
→ Full Turbopack support
→ SWC-based parsing
While everyone is arguing about directives, I’ve just used “using” for the first time, and now I feel like a TypeScript god
November 4, 2025 at 12:35 PM
While everyone is arguing about directives, I’ve just used “using” for the first time, and now I feel like a TypeScript god
Reposted by Jan
Following up on my demo of cacheComponents + next-intl, I wrote a blog post reflecting on the problem's background and better explaining the solution!
aurorascharff.no/posts/implem...
aurorascharff.no/posts/implem...
Implementing Next.js 16 'use cache' with next-intl Internationalization | Aurora Scharff
Next.js 16 introduces component-level caching with the 'use cache' directive, but it doesn't work seamlessly with next-intl yet. In this blog post, I'll explore why the incompatibility exists and show...
aurorascharff.no
November 3, 2025 at 7:23 PM
Following up on my demo of cacheComponents + next-intl, I wrote a blog post reflecting on the problem's background and better explaining the solution!
aurorascharff.no/posts/implem...
aurorascharff.no/posts/implem...
Q: Does cacheComponents in Next.js 16 work with next-intl?
A: No, at least not yet. The tldr; is that we need next/root-params and support for it within 'use cache'. Everything in next-intl is already in place to use this though.
A bit more here →
github.com/amannn/next-...
A: No, at least not yet. The tldr; is that we need next/root-params and support for it within 'use cache'. Everything in next-intl is already in place to use this though.
A bit more here →
github.com/amannn/next-...
Support for `cacheComponents` / `ppr` / `dynamicIO` · Issue #1493 · amannn/next-intl
Next.js is changing the rendering behavior. It's still very early, and things are moving, but it would be interesting to see if we can adapt next-intl to better suit the needs of these rendering mo...
github.com
October 23, 2025 at 12:40 PM
Q: Does cacheComponents in Next.js 16 work with next-intl?
A: No, at least not yet. The tldr; is that we need next/root-params and support for it within 'use cache'. Everything in next-intl is already in place to use this though.
A bit more here →
github.com/amannn/next-...
A: No, at least not yet. The tldr; is that we need next/root-params and support for it within 'use cache'. Everything in next-intl is already in place to use this though.
A bit more here →
github.com/amannn/next-...
Next.js 16
• Cache Components
• Turbopack enabled by default
• Turbopack file system caching (beta)
• Optimized navigations and prefetching
• Improved caching APIs
• Build Adapters API (alpha)
• React 19.2
nextjs.org/blog/next-16
• Cache Components
• Turbopack enabled by default
• Turbopack file system caching (beta)
• Optimized navigations and prefetching
• Improved caching APIs
• Build Adapters API (alpha)
• React 19.2
nextjs.org/blog/next-16
October 22, 2025 at 9:47 AM
I'm curious about the future of `dynamicParams = false` for Cache Components in Next.js.
I've opened a discussion to have a conversation about this, please share your thoughts here →
github.com/vercel/next....
I've opened a discussion to have a conversation about this, please share your thoughts here →
github.com/vercel/next....
`dynamicParams = false` for Cache Components & non-inheriting behavior · vercel next.js · Discussion #84991
dynamicParams = false is a useful feature for running validation of dynamic segments before rendering of the app starts. I think this pattern is especially useful when working with top-level dynami...
github.com
October 17, 2025 at 8:32 AM
I'm curious about the future of `dynamicParams = false` for Cache Components in Next.js.
I've opened a discussion to have a conversation about this, please share your thoughts here →
github.com/vercel/next....
I've opened a discussion to have a conversation about this, please share your thoughts here →
github.com/vercel/next....
I didn't exactly have "build rust tooling" on my bingo card for next-intl in 2025, but here we are
September 30, 2025 at 2:07 PM
I didn't exactly have "build rust tooling" on my bingo card for next-intl in 2025, but here we are
Such an incredibly helpful setting, makes me wonder if this should be the default …
nextjs.org/docs/app/api...
nextjs.org/docs/app/api...
September 26, 2025 at 10:16 AM
Such an incredibly helpful setting, makes me wonder if this should be the default …
nextjs.org/docs/app/api...
nextjs.org/docs/app/api...
📄 RFC: First-class message extraction in next-intl
The more eyes we can get on it, the better the feature will be—please share your thoughts with me!
github.com/amannn/next-...
The more eyes we can get on it, the better the feature will be—please share your thoughts with me!
github.com/amannn/next-...
github.com
September 24, 2025 at 12:43 PM
📄 RFC: First-class message extraction in next-intl
The more eyes we can get on it, the better the feature will be—please share your thoughts with me!
github.com/amannn/next-...
The more eyes we can get on it, the better the feature will be—please share your thoughts with me!
github.com/amannn/next-...
🌐 learn.next-intl.dev is officially live!
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
August 12, 2025 at 8:30 AM
🌐 learn.next-intl.dev is officially live!
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
Learn how to build delightful, multilingual apps with Next.js—from the basics to advanced patterns, all through a real-world project.
🎥 10 chapters · 42 lessons · 5+ hours of 4K video
💻 All code, recaps & resources included
A sneak peek at what to expect from 🌐 learn.next-intl.dev:
→ No oversimplified examples
→ Built around a real-world project
→ Holistically transitioned to fully internationalized
Full course reveal coming next week!
→ No oversimplified examples
→ Built around a real-world project
→ Holistically transitioned to fully internationalized
Full course reveal coming next week!
August 8, 2025 at 2:32 PM
A sneak peek at what to expect from 🌐 learn.next-intl.dev:
→ No oversimplified examples
→ Built around a real-world project
→ Holistically transitioned to fully internationalized
Full course reveal coming next week!
→ No oversimplified examples
→ Built around a real-world project
→ Holistically transitioned to fully internationalized
Full course reveal coming next week!
I thought this course would take 2-3 months.
It took eight.
But now, learn.next-intl.dev is almost ready: Learn how to build delightful, multilingual apps with Next.js — launching next week! 🚀
It took eight.
But now, learn.next-intl.dev is almost ready: Learn how to build delightful, multilingual apps with Next.js — launching next week! 🚀
August 6, 2025 at 3:35 PM
I thought this course would take 2-3 months.
It took eight.
But now, learn.next-intl.dev is almost ready: Learn how to build delightful, multilingual apps with Next.js — launching next week! 🚀
It took eight.
But now, learn.next-intl.dev is almost ready: Learn how to build delightful, multilingual apps with Next.js — launching next week! 🚀
> Being Heard Isn’t Just About Speaking — It’s About Understanding
A really beautiful piece by Adebesin Tolulope
iamlope.medium.com/being-heard-...
A really beautiful piece by Adebesin Tolulope
iamlope.medium.com/being-heard-...
Being Heard Isn’t Just About Speaking — It’s About Understanding
Great apps don’t just talk — they listen. Learn how i18n with next-intl helps your Next.js app understand users in their own language.
iamlope.medium.com
May 27, 2025 at 2:39 PM
> Being Heard Isn’t Just About Speaking — It’s About Understanding
A really beautiful piece by Adebesin Tolulope
iamlope.medium.com/being-heard-...
A really beautiful piece by Adebesin Tolulope
iamlope.medium.com/being-heard-...
TIL about i18n-check!
This CLI helps you validate against:
1. Missing translations in target locales
2. Inconsistent usage of ICU arguments
3. Unused translations with next-intl (exp.)
Learn more → next-intl.dev/docs/workflo...
This CLI helps you validate against:
1. Missing translations in target locales
2. Inconsistent usage of ICU arguments
3. Unused translations with next-intl (exp.)
Learn more → next-intl.dev/docs/workflo...
April 23, 2025 at 8:14 AM
TIL about i18n-check!
This CLI helps you validate against:
1. Missing translations in target locales
2. Inconsistent usage of ICU arguments
3. Unused translations with next-intl (exp.)
Learn more → next-intl.dev/docs/workflo...
This CLI helps you validate against:
1. Missing translations in target locales
2. Inconsistent usage of ICU arguments
3. Unused translations with next-intl (exp.)
Learn more → next-intl.dev/docs/workflo...
If you've already upgraded to Next.js 15.3 and you saw a deprecation warning about Turbopack config with next-intl, you can now upgrade to [email protected] to get rid of the warning!
github.com/amannn/next-...
github.com/amannn/next-...
Release v4.0.3 · amannn/next-intl
4.0.3 (2025-04-22) Bug Fixes Support stable Turbopack config in Next.js 15.3 (#1850) (30ec8e0), closes #1838 – by @amannn
github.com
April 22, 2025 at 7:41 AM
If you've already upgraded to Next.js 15.3 and you saw a deprecation warning about Turbopack config with next-intl, you can now upgrade to [email protected] to get rid of the warning!
github.com/amannn/next-...
github.com/amannn/next-...
TIL that the Ethereum website uses next-intl to localize its content to 69 languages—how cool is that! 🤯
→ ethereum.org
→ ethereum.org
April 8, 2025 at 1:23 PM
TIL that the Ethereum website uses next-intl to localize its content to 69 languages—how cool is that! 🤯
→ ethereum.org
→ ethereum.org