Lucas Josefiak

@LucasJosefiak

Co-Founder @widgetbook_io - Catch every visual bug before it reaches your users

Berlin, Germany widgetbook.io Joined August 2020

306 Following 1.8K Followers 1.4K Posts

Latest posts 5

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Lucas Josefiak @LucasJosefiak Aug 27, 2025

Google featured Widgetbook as Flutter Package of the week🎉

With 230k downloads on pub .dev, @widgetbook_io is helping developers around the world to build, test, and catalog their widgets in isolation.

Thanks a lot to our contributors and users for your ongoing support, and special thanks to @KhanhNwin for creating this great video!💙

youtube.com/watch?v=sGRetv…

Lucas Josefiak @LucasJosefiak 5h

Generative UI could be the next big thing in app development. The v1 launch of A2UI is a great step forward!! 🚀

If you want to build your own GenUI widget catalog and give agents a feedback loop for their cached A2UI screens check out how @ulusoyapps is using @widgetbook_io ⬇️

Google Cloud Tech Verified account @GoogleCloudTech 8h

Today we are releasing A2UI 1.0, now faster, easier, and stable, an open protocol and framework for generative UI across web, Android, iOS, wearables, TVs, and any other surface.

👇 Check out what shipped x.com/i/article/2120…
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Lucas Josefiak @LucasJosefiak 16h

Can't wait for today's @FlutterDev’s #FlutterCreate show at 7:00 PM CET (10 AM PT)!!📺🍿

Together with @craig_labenz and @LeoAFarias, I'm hosting a session on how to build custom design libraries. Awesome recognition for our @widgetbook_io team and community!💙 Join us live!!⬇️

Lucas Josefiak @LucasJosefiak Oct 14

Beautiful Flame demo in @widgetbook_io🔥🔥

Lukas Klingsbo 💙🔥 @spydon Oct 14

There is so much juicy stuff coming in Flame v2! 😍

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Lucas Josefiak @LucasJosefiak Oct 10

The best way to end @FlutterconWorld is an afterparty!!🎉🎉

Thanks to everyone who joined our annual @widgetbook_io afterparty and our friends from @shorebirddev for co-hosting!!

This community is truly special! See you soon!💙👋