A small announcement with big feelings: Lambda Days won’t be happening in 2026. It’s a difficult moment for us - this conference has always been about people, passion, and the FP community coming together. To keep that spirit alive, we’ve released: 🎬 All 2025 talk recordings,

In case you would run out of YouTube content to watch, two of my talks are now publicly available: "What is Functional Programming?" from @LambdaDays https://t.co/ABAP00HcBZ and, somewhat related, but putting the above ideas into code, "A Tour of Ox 1.0: Direct-Style

we still have free tickets for on-site FUN OCaml 2025 in Warsaw, btw hurry up and plan your travels!

🎥 New keynote video is live! Romain Michon (Faust core dev & researcher at @Inria) shows how a functional language like Faust powers real-time sound processing — from musical instruments to immersive audio systems. 🎶 With live demos & cool embedded applications! 👉

🚨If your Thursday’s dragging a bit, here’s something to shake it up ⚡ @odersky, the creator of Scala, gave an awesome keynote at Lambda Days, and the video’s now up! He dives into making capabilities safe and convenient, with some very cool Scala features along the way. Watch

⚡️ Lightning talks 2025 recordings are here! 7 bite-sized talks packed with quirky ideas, experimental projects, and functional fun - from Gleam to gaming, Unison to unusual use cases. Perfect if you’ve only got a few minutes but still want to get inspired. 📺 Watch now:

Many programmers would love to use "productivity languages" like @elmlang, but what about the business person who often makes the final decision? How can we rethink our strategies such that authors, developers, and businesses grow stronger together? 🔄 https://t.co/xOka4sZ6oN

Here's a link to the Bank of Korea report from my @LambdaDays talk: https://t.co/ooh5kB32tG I think they have somewhat unstable links, so you can search the following if that particular link goes down! [한은조사연구 2008-13] 일본기업의 장수요인 및 시사점

🎥 A present from Lambda Days to start the week! New Keynote video released! @evancz, creator of Elm, shares ideas on how we really get functional languages adopted in industry: from business concerns to collaboration across the stack. 💡 Watch “Rethinking our Adoption Strategy”:

🎥 Just dropped: Moa Johansson’s Lambda Days keynote on AI for mathematical discovery! From LLMs to symbolic tools - can AI become a true co-author in math? 📺 Watch here:

https://t.co/CaiFy6dmfd

#LambdaDays were a blast! A perfect balance between thought-provoking keynotes from researchers and industry-grounded talks covering various languages and ecosystems. And of course the hallway track! Glad to have met lots of interesting people. Going home with a lot of ideas.

Just finished my first @LambdaDays in Krakow. Great experience! - thanks to the organizers for putting it together.

There where a lot of great talks and ppl at @LambdaDays. I really enjoyed it. Next year I plan to be a speaker

Yesterday I finally presented my talk about Kyo's encoding of algebraic effects "Suspension: the magic behind composability" 🥳 If you want to understand how Kyo works under the hood, see the link in the reply 🪄 I had a blast at @LambdaDays! Meeting people from other

Thank you @DevoxxPL & @LambdaDays! It's been very intense three days, with great hallway/functional/Java/AI tracks :) Hope to see you next year!

Thanks for joining us for Lambda Days 2024 💜 Mark your calendars and and see you next year 🐲

We're wrapping up the conference with keynote talk by Romain Michon 🔥

It's not everyday that you see a presenter with a leek. But it's a mascot, that's the "space leek" 😄