Couldn’t make it live? No worries — the full recordings from JetBrains JavaScript Day 2025 are ready for you to dive into.

Quantumania.js, by Craig Spence

Faster Builds and Fewer Headaches with Modern JavaScript Tooling, by Alexander Lichter

Beyond Build Orchestration: What It Takes to Build Modern JavaScript Monorepos, by Victor Savkin

The New User Interaction Model, by Kent C. Dodds

Beyond Signals, by Ryan Carniato

SSR with Micro-Frontends: How Composition Works with Modern Frameworks, by Luca Mezzalira

JetBrains Doesn’t Want Me To Give This Talk, by Jan-Niklas Wortmann

Bun: The Fast JavaScript Runtime, by Lydia Hallie

Tough Decisions: the complexities of maintaining a popular open source project, by Jessica Janiuk

JetBrains JavaScript Day 2025 | Full stream