Scala Days 2025 Recap - a Scala community reunion
Briefly

Scala Days 2025 Recap - a Scala community reunion
"LLMs and GenAI: Scala Days 2025 made it clear that Scala is fully embracing the AI wave. Live demos had the audience buzzing, as the speakers showed Scala code prompting GPT-style models, performing document search, and even writing code using AI. The takeaway was inspiring - you can indeed build powerful, production-ready GenAI apps in Scala using familiar functional programming principles. AI-themed talks reinforced this trend."
"Scala 3 took center stage: The community's focus on Scala 3 was palpable - multiple sessions dived into new language features and best practices in Scala 3: Martin Odersky's Vision: The creator of Scala was on hand to champion Scala 3's direction. His presence and insights set a high-level tone, reinforcing that Scala 3's evolution is backed by strong vision and leadership."
Over 300 developers, architects, and Scala enthusiasts gathered in Lausanne for three days of talks, demos, and networking. AI and Scala 3 dominated conversations, with live demos showing Scala code prompting GPT-style models, performing document search, and generating code. Speakers demonstrated that production-ready GenAI applications can be built in Scala using familiar functional programming principles. Scala's strong concurrency model and type safety were highlighted as advantages for scalable, correct AI backends. Martin Odersky presented Scala 3's vision, while talks from Daniel Ciocîrlan and Jamie Thompson emphasized embracing Scala's functional ethos and practical use of match types.
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