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CascadiaJS@cascadiajs.com · last mo.

We chose the wrong abstraction — here's what it cost us. In his @cascadiajs.com talk, @darius.cool shares how a well-intentioned API broke down under real-world use, why we scrapped it, and what we learned about building composable APIs that scale. Give it a watch:

What happens when your "simple" API grows into an unmaintainable mess? 😅 This talk by @darius.cool explores the tradeoffs between configuration and composition, and why the right abstractions matter more than ever in the age of AI. youtu.be/dExasNlhVKM

CascadiaJS. Darius Cepulis. The Abstraction That Broke at Scale. Photo of Darius Cepulis on stage at CascadiaJS 2026.

From translating audio to generating engagement insights to finding the best thumbnail, Mux Robots just learned a few new tricks We just added ✨six✨ new workflows that automate your video work with one API call (or one click in the dashboard).

"What happens in this video?" is a surprisingly hard question to ask a machine. Find Scenes answers it by mapping a video into structured scenes of what was shown and said. It's our latest Mux Robots workflow, built on Shots. Read more: www.mux.com/blog/making...

Making it easier for agents to understand video: Introducing Find Scenes and Shots | Mux

New in Mux Robots: Find Scenes turns video into structured scene data, powered by Shots, a new Mux Video primitive.

mux.com

"Without Mux, nothing you're seeing on Cutsio is possible." — Rish Agarwal, Cutsio founder When you upload a clip, Mux Robots goes to work in the background, generating summaries, tags, key moments, and chapters that appear in real time in the UI while you keep editing. www.mux.com/blog/cutsio

How Cutsio is making massive video libraries searchable | Mux

With Mux, Cutsio transformed from an audio-only tool into a full video platform.

mux.com

Domino Rally truck 🤝 Mux Robots Directives In the latest newsletter, @davekiss.com gets into how our new Mux Robots Directives bring automation to your AI video workflows. Read the newsletter: connect.mux.com/set-it-up-o... Subscribe: mux.com/newsletter/...

Hot take? React Native needs a new video player — so Joshua made one. Native playback on iOS and Android, Mux Data out of the box, and Mux Robots for chapters, summaries, and key moments right inside the player UI. Here's how he did it: www.mux.com/blog/react-...

React Native needs a new video player | Mux

A new React Native video player with AI Video intelligence features from Mux Robots and the ability to collect video data with Mux Data.

mux.com

We asked a few developers what they think needs to stay — and what needs to change — as AI becomes a bigger part of how we build. Here's what Timothy Johnson II of Cru and @sentry.io's Sergiy Dybskiy and Richard Roggenkemper had to say.

@mux/ai lets you bring your own API keys, choose your own models, and control how video intelligence behaves in your workflows. Joshua fine-tuned Mistral Small 3.1 with LoRA and Baseten to get more concise outputs for summarization, chapters, caption translation, and more.

We made it to the Big Apple! 🍎 This week, Mux launched physical ads across NYC's subways. From Broadway to Brooklyn, from Knicks games to NY Tech Week — we'll be here for all of it.

New in Mux Robots: Directives! Automate AI workflows for your videos with no extra coding. Phil shows you how in just a few clicks. Read more on the blog: www.mux.com/blog/mux-ro... Free in technical preview through June 15.

"Before, we were making decisions based on gut feel. Now we go to the data. That changes everything." — Óscar Ramírez, Fuertafit’s CTO Fuertafit is a Spanish-language fitness platform. After a two-hour outage and months of billing disputes, it was time to find something new.

We're at @CascadiaJS.com this week. Here's what we've got going on today: 🎤 @darius.cool is giving a talk at 1:40 p.m. 🎰 We're hosting a Pogs tournament at the networking mixer 💼 And catch some sweet Mux art on your complimentary tote bag See ya soon, Seattle

Guess who's back, back again? Dylan's back (guest writing the newsletter), tell a friend Dylan shared a personal project of how he turned 500GB of VHS tapes from the 90s (birthdays, family trips, etc.) into a searchable video archive, complete with titles, descriptions, transcripts, and tags.

I spy @DaveKiss.com giving a talk at @webexpo.bsky.social Conference. Dave shared how he built an arcade-style video player powered by real physics using Three.js and React Three Fiber. The result is chaotic and really fun.

A speaker in an orange shirt presents at WebExpo 2026, with a large display stating "RULES ARE JUST RULES" behind him.

A large audience sits in a theater, focusing on a stage displaying "WebExpo" during a conference event.

A few years ago, Dylan's dad digitized his childhood videos. 21 files, 31 hours, but unorganized — so they sat untouched on a hard drive. Recently, he used Claude Code+Mux Robots to organize them, running chapters, key moments, summaries, and transcripts, splitting it all into timestamped memories.

Building a to-do app was the rite of passage for learning to code — LLMs killed it. Here's @davekiss.com's take on what should replace it: www.mux.com/blog/the-de...

The death of the to-do app | Mux

LLMs killed the to-do app. So we built a real screen recorder instead: open source, native macOS, and, of course, powered by Mux.

mux.com

Every UGC platform needs content moderation. Here's a head start. We built a one-click dashboard using Mux Robots — per-frame moderation scores, video summaries, and custom yes/no questions, all tied to an asset ID and runs async.

One click content moderation dashboard with Mux Robots | Mux

Every user-generated content site needs content moderation. We’ve spilled lots of ink on this topic over the years, and even a Demuxed talk. Feel free to dive into any of those links if it suits you....

mux.com

Join us this evening in SF for talks and tacos. Doors open at 5:30 p.m. Register: luma.com/7yhoj31m

Dev tools and our AI overlords · Luma

Most of The Job™ for dev tools company for years has been...building things for developers. Eating, sleeping, typing developers. A lot of those developers now…

luma.com

Happening tomorrow at Mux HQ in SF: Dev Tools and Our AI Overlords Five talks from Nathan Rajlich, David Crawshaw, Andre Landgraf, Philip Kiely, and Joshua Alphonse on what it means to build dev tools as AI agents become power users too. Register: luma.com/7yhoj31m

Dev tools and our AI overlords · Luma

Most of The Job™ for dev tools company for years has been...building things for developers. Eating, sleeping, typing developers. A lot of those developers now…

luma.com

Join us for Dev Tools and Our AI Overlords, next Wednesday at Mux HQ in SF 🤖 We're digging into what it means to build dev tools now that AI agents are users too. Hosted with our friends at Neon and exe.dev.

"I never look at marketing emails but when I see it’s from Dave I have to read it." — Mux newsletter reader In this month's newsletter: Tiger 2-XL robots, Mux AI workflows, and why your video isn't passive data anymore.