Go from tool calls to fully autonomous AI agents in a single, hands-on day. In this post-conf training from @eveporcello.com and Moon Highway you’ll build real systems that can reason, plan, and act—learning agent loops, multi-step workflows, and production-ready patterns you can actually ship.

Grab your ticket before prices go up $100! cascadiajs.com/2026

Ready to build AI-powered applications? In this post-conf training from @eveporcello.com and Moon Highway you'll dive into the Vercel AI SDK and modern AI patterns to create intelligent features your users will love. Grab your spot! cascadiajs.com/2026/trainin...

AI is becoming a core part of the developer workflow. This hands-on training from @eveporcello.com and Moon Highway will help you become fluent in these new tools and explore everything from basic AI integration to building sophisticated AI agents that can help with development tasks.

Applications for our 2026 Scholarship Program are open! If you're a member of an under-represented minority in tech -or- have financial constraints that make purchasing a ticket difficult, please consider applying. And help us spread the word! 📣 cascadiajs.com/2026/scholar...

Whether you love or hate AI 🤖, it's forever changing how developers build software. @joelhooks.com has been digging deep into swarming 🐝, a pattern to massively parallelize work with AI agents. We're excited for him to join us & teach us how we can use AI to GSD 💪 cascadiajs.com/2026/talks/a...

From Mozilla Servo to OpenAI's Codex CLI, there are more and more examples of teams using Rust to build reliable and high concurrency software. We're excited to have @francescociulla.bsky.social join us and show us what's possible using Rust and the web! cascadiajs.com/2026/

There is a good chance that you or someone you know learned how to build with React or NextJS through a video created by @t3.gg. He has been building in public and sharing his candid thoughts on the web and its frameworks since 2022.

We couldn't be more excited to welcome @biilmann.blog, the founder and CEO of @netlify.com, to join us as a keynote speaker this year. Building for the web has never changed this fast and we're excited to hear his thoughts on how we can all keep up & thrive. cascadiajs.com/2026

Be on the lookout 👀 for some #CascadiaJS 2026 speaker announcements popping up soon! 🍄 cascadiajs.com/2026

We're so pumped to announce that @eveporcello.com will be joining us this year to put on 3 days of post-conference trainings. Eve and the folks at Moon Highway are the best, and you're going to love what they have in store! Let's dig in 🧵

🚨 Our CFP closes today! Info and link to apply ⬇️ cascadiajs.com/2026/cfp

We have LAUNCHED 🚀 our 2026 Scholarship Program! If you're a member of an under-represented minority in tech -or- have financial constraints that make purchasing a ticket difficult, please consider applying. And help us spread the word! 📣 cascadiajs.com/2026/scholar...

We've partnered with 2 boutique hotels in downtown Seattle for CascadiaJS 2026. Here's why you'll love them: - Pets stay for FREE 🐶 😻 - Quick walk to the venue 🚶🏽‍♀️ - Free wifi 💻 - Breast milk fridge upon request! 👶 - Yoga mats in every room 🧘 These fill up fast, so book soon! cascadiajs.com/2026

Announcements coming soon on pre-conf trainings and the Scholarship Program! 👀 cascadiajs.com/2026

The CFP is open for 1️⃣ more week!

Start your weekend off right with this talk from @erinmikail.bsky.social as she explains why teams can’t trust gut feelings or vibes to judge LLM quality. Link in the replies. Subscribe to our YouTube channel to get notified when we ship more videos from #CascadiaJS 2025! 📺

Watch this talk from @catandthemachines.bsky.social and learn where AI can genuinely support accessibility, where it falls short, and why it can’t replace accessibility expertise. Link to our YouTube video in the replies. Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Were you busy during the holidays and forgot to submit to our CFP? 😲 No worries, we've got you! The deadline has been extended 2️⃣ weeks, so let us know what you'd like to share with our community in June 🤗 👉 cascadiajs.com/2026/cfp

The CFP for #CascadiaJS 2026 is open for one more month! Here's what you need to know: 📺 Submissions are 2-minute videos 🗓️ Closes on Jan 4, 2026 💪 We provide support and mentorship for new speakers Every developer has a story, what's yours? cascadiajs.com/2026/cfp

Happy 30th anniversary of JavaScript's birthday! 🎉 Use the promo code BIRTHDAY for $30 off your CascadiaJS 2026 ticket. Offer ends Dec 5. cascadiajs.com/2026

@jreyesdev.bsky.social shares insights from 10 years of engineering data in big tech, covering: 📈 AI growth 🤗 Retention trends 🤝 Hiring patterns 🔎 Impact of open source Link to our YouTube video in the reply and subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Discover how to bring AI-powered gamification to your projects with Courtney Yatteau. She'll discuss adaptive difficulty, live sentiment feedback, and user action-driven content. Link to our YouTube video in the reply and subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Go-blueprint is a powerful CLI tool that helps users spin up Go backend projects and they recently added frontend support! @melkey.bsky.social breaks it down ⚡ Link to our YouTube video in the reply and subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Come along as Quinn Blenkinsop reverse-engineers how ChatGPT, Copilot, and other bots read their docs. www.youtube.com/watch?v=xetI... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

There are only 7 Blind Bird tickets left! 😱 Get yours before ticket prices go up $100 💸 cascadiajs.com/2026/tickets

🚨 Ticket prices go up in 3 days!

The CFP for #CascadiaJS 2026 is OPEN! Here's what you need to know: 📺 Submissions are 2-minute videos 🗓️ Closes on Jan 4, 2026 💪 We provide support and mentorship for new speakers Every developer has a story, what's yours? cascadiajs.com/2026/cfp

CascadiaJS is coming back to Seattle, WA in 2026! 🔥 Join us as we dive into everything devs need to know to build on the open web in the era of AI. Blind Bird tickets are on sale NOW. Grab one and save $300 on tickets before they sell out! cascadiajs.com/2026

So... how does AI work anyway? @ishananand.bsky.social demystifies LLM internals for web devs using a real LLM implemented entirely in vanilla JS that runs in the browser. No Ph.D. needed! www.youtube.com/watch?v=clqB... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

You want to ship a Linear-like experience, so you install some CRDT libraries and expect things to Just Work™. @hausdorff.bsky.social of moment.dev digs into why this isn't that simple. www.youtube.com/watch?v=OGJx... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Red hot 🔥 take on how to architect large data applications entirely in JS. Kenny Daniel covers how he built Hyparquet & HighTable for loading Parquet files in the browser. www.youtube.com/watch?v=J06r... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

JavaScript wasn't always the cool kid on the block 😎 @anniesexton.com will share its superhero origin story about how a lil 10-day hackathon became the cornerstone of modern web dev. www.youtube.com/watch?v=Sl3X... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Do you *really* need to rebuild your site in that hot, new framework? 🤔 Watch as @seancdavis.com builds the same app w/ and w/o a framework, revealing their true role & curing your FOMO. www.youtube.com/watch?v=SeKt... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

AI is thriving on the server side, but the web is catching up! 💪 @philna.sh explores how to build browser AI apps, like an offline translator, leveraging current and future Web APIs. www.youtube.com/watch?v=bZGo... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

What is the Web without a browser? @nearestnabors.com takes us on a journey from Geocities to Google to GPT to understand the how the web is changing in the landscape of AI 🔥 www.youtube.com/watch?v=1bLX... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Did you know a phone could do that? 📱 @GantLaborde.com & @MazenChami.dev show us how to integrate on-device AI features into your React Native apps for real-time, offline intelligence. www.youtube.com/watch?v=e3t0... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Promises freed us from callback hell. But reactivity hell—debug loops, messy effects, brittle state—still haunts us. @pzuraq.bsky.social discusses reimagining state to break the cycle. www.youtube.com/watch?v=wW1A... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Can you be proud of what you built using AI? 🤔 @craigsdennis.dev is an engineer at Cloudflare and host of the new show AI Avenue and he's got some thoughts on this confusing time. www.youtube.com/watch?v=nKgC... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Join @bytesofbree.bsky.social to explore how to learn how creative frontend tools can turn websites into full-sensory experiences that feel as good as they function. 💫 www.youtube.com/watch?v=oWNH... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

What if you could use multimodal LLMs to interact with websites using motion control? 🎮 @devdevcharlie.com will take you through building motion-controlled prototypes using LLMs in JS. www.youtube.com/watch?v=_DbX... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Join @nerdy.dev for a fast paced, animated, and jam packed tik-talk on CSS features from the past ~5 years, including syntax, typography, color, architecture, and more! www.youtube.com/watch?v=QW6G... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

What does an agentic internet look like? 🤔 @webai.bsky.social walked us through how to create client-side AI agents in JS, powered by smaller LLMs, to perform useful work using Web AI. www.youtube.com/watch?v=4J9R... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Apparently, this video is so hot, it's been "blocked in some countries and/or regions" according to YouTube 🔥 So, we hope you're able to watch @kevin.mn break down OpenAI's GPT-5 ⚡️ youtu.be/kImnnMUcMfM Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

What's new in React and Next.js? @shrutikapoor08.bsky.social dives into the latest and greatest techniques for building modern and performant websites using these tools ⚡️ youtu.be/ZDZPxmFZ6yk?... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

Are micropayments on the web finally here? 💰 @ioanacis.bsky.social of @interledger.interledger.social.ap.brid.gy joined us to unroll Web Monetization’s path to standardization. youtu.be/v-dFoIWHTM4 Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

There's a lot of excitement around MCP, but web developers are wondering: what does it mean to me? @kentcdodds.com joined us to break it down ⚡️ www.youtube.com/watch?v=bcau... Subscribe to get notified when we ship more videos from #CascadiaJS 2025! 📺

That's a wrap for #CascadiaJS 2025! We like to say that this event is made up of hundreds of tiny modules that we `npm install` to create something special for our community 💚 Thanks to everyone who came, spoke or volunteered! We hope to see you all in 2026!

We have begun publishing our 2025 talks, and we're going to kick things off with this banger from @jherr.dev on what's all the fuss about the new @tanstack.com framework? youtu.be/uy2WSS1MjGM Remember to smash that subscribe button to get notified when we ship more videos from #CascadiaJS 2025! 📺

So cool!