Fresh Reads

Two upcoming Effect Miami 🇺🇸 meetups! Stop agent slop with Effect, by Mattia Manzati, Effect Milan 🇮🇹. v4 Beta: adaptive rate limiter, Schema performance, and more.

Effectifying OpenCode with Kit Langton on Cause & Effect Podcast. Services & Layers in Production, talk by Leonardo Trapani from Datapizza. Effect Paris 🇫🇷 meetup on June 25. HttpApi streaming support lands in v4 Beta.

Intro to Effect Miami, by Ariel Azoulay. Effect Milan meetup hosted by Datapizza. v4 Beta: tree-shaking, Schema fixes & a key Entity reliability fix.

Effect at OpenCode, by Dax (Effect Miami 🇺🇸). Effect v4 Beta: OTLP observability, Schema & HTTP updates.

Effect Vienna 🇦🇹 & Miami 🇺🇸 meetups. 15M weekly downloads 🚀. Effect v4 Beta updates recap.

A recap of everything that has landed in the Effect v4 beta so far, from the rewritten runtime and smaller bundles to Schema improvements, IndexedDB, durable workflows, AI integrations, and more.

Dax speaking at Effect Miami 🇺🇸! Foldkit on Office Hours 🔥. Crypto service, Stream.broadcastN, and more v4 Beta updates.

Effect Milan 🇮🇹 meetup on June 11! Clankers ❤️ Effect! OpenCode migrates to Effect HttpApi. Schema ergonomics & DurableQueue in v4 Beta.

Stop making coding agents guess how to use your libraries. Vendor the source with git subtree.

Effect Miami 🇺🇸 meetup! Vibe Engineering Effect Apps at the AI Engineer Europe. HttpApiTest & acquireDisposable in v4 Beta. sqlfu gets @effect/sql support.

Alchemy v2 at Office Hours 27. Drizzle now natively supports Effect v4. GPT 5.5 Pro ❤️ Effect! AsyncResult & OpenAI reasoning in Effect v4 Beta.

Effect Vienna Meetup on May 27! 🎉 Building Clanka, an AI coding framework with Effect. New packages & APIs in Effect v4 Beta

Effect just crossed 10m weekly downloads! 🔥 `effect-genserver` by Tim Smart. Effect v4 Beta: Schema refinements & IDB persistence. Intro to STM.

`ServiceMap` renamed to `Context` in Effect v4 Beta. Vibe Engineering with Effect at AIE Europe, Office Hours 24 🔥, and new community projects.

IndexedDB module & Schema overhaul in Effect v4 Beta. Office Hours 23 🔥, self-driving codebases with Effect, and Michael teasing what Tim's been cooking.

Fiberplane & Supermemory using Effect. Office Hours 22 (PR roasting & ecosystem updates), Effect Berlin 🇩🇪 meetup, and new community tools.

If you use Effect with Clerk or other AsyncLocalStorage-based libraries, upgrade to Effect 3.20 immediately.

Effect 3.20 security update & 3.21.0 are out. 🇩🇪 Effect Berlin meetup on March 26! Plus Effect LSP for TSGo, Sentry adds official support for Effect v3, and more v4 Beta updates.

T3Code adopts Effect, ThePrimeagen gives it a try, and Trellis AI is hiring an Effect engineer. Plus STM-focused Office Hours and more Effect v4 Beta updates.

OpenCode officially adopts Effect! More Effect content by Ben Davis, V4 Beta updates, and other community projects.

Effect v4 Beta updates and a dedicated Office Hours Q&A covering the latest changes, improvements, and community feedback.

Effect v4 Beta release! 🚀 Rewritten runtime. Smaller bundles. Unified package system.

Effect v4 is officially in beta. Here's what you need to know.

Effect-viz, an Effect runtime visualizer. Lalph AI Agent Orchestrator 3 and Office Hours 15 coding sessions.