What if your livestream layout was just a web app? Sergey will show how HTML, CSS, and JavaScript can power interactive live-streaming experiences inside OBS’s embedded Chromium browser and how WebSockets and Cloudflare Workers can turn viewers into active participants.

A look beyond React Three Fiber and into the growing Poimandres open-source ecosystem — from how developers can get involved and contribute to a new generation of projects exploring canvas text rendering, game development, and more.

AI features on the web fail in ways console.error never sees: bad tool calls, runaway agent loops, slow model steps, and streams that die mid-flight. This talk walks through building agent experiences on the web and using Sentry agent tracing to observe full agent workflows in production. Then we bring in Seer, Sentry's own AI debugging agent, to turn that telemetry into root causes and fix guidance.

Paywalls are the critical part of mobile apps monetization. Adapty serves thousands of paywalls to millions of users. In this talk, I'll share:

How we built the paywall rendering on the SDK

Why we went native over HTML

How we managed to deliver sub-second paywall loading time for the 97th percentile across 100m+ requests per day without spending hundreds of thousands on the infrastructure

We'll also share paywall insights that help increase conversion