This Week in Effect #138 ︀︀→ Effect 4.0 Official Release ︀︀→ Cluster, Part 1 - Module of the Week 3 by Maxwell Brown ︀︀More below: ︀︀https://effect.website/blog/this-week-in-effect/138

Effect v4 is here. One ecosystem. Zero dependencies. The next chapter of Effect and the foundation for building reliable software and AI agents in TypeScript. Read the full announcement below: effect.website/blog/release...

San Francisco, we’re coming your way this Wednesday! 🌉 Join the Effect community at CodeRabbit's rooftop for an evening of Effect talks, a fireside chat, good food, and drinks. September 30 · 5:30–8:30 PM Save your spot: luma.com/all-things-e...

Effect San Francisco 🇺🇸 · Luma

All Things Effect: An evening with creator Michael Arnaldi Effect’s creator is coming to San Francisco. Let’s get into it. Michael Arnaldi is flying over from…

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This Week in Effect #137 ︀︀→ RcMap - Module of the Week 2 by Maxwell Brown ︀︀→ Coach & Executive by MasterClass, built with Effect ︀︀→ Effect Paris 🇫🇷 meetup on Oct 13! ︀︀ ︀︀Blog post below: ︀︀https://effect.website/blog/this-week-in-effect/137

PersistedQueue | Module of the Week #1 by Maxwell Brown youtu.be/Fzmdn4wWGpU

PersistedQueue | Module of the Week #1

YouTube video by Effect | TypeScript for the AI Era

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This Week in Effect #136 → Module of the Week - PersistedQueue by Maxwell Brown → A new `DecisionModel` API to `effect/unstable/ai` by Tim Smart ︀︀→ Effect Warsaw Meetup by Kris Kaczo, Monika Zając, Daniel More below: effect.website/blog/this-we...

This Week in Effect #135 → ThePrimeagen getting started with Effect → The story of Astra vs The Boys by Michael Arnaldi → First Effect training workshop by Ziverge Blog post: effect.website/blog/this-we...

This Week in Effect - 135 | Effect Blog

Astra vs The Boys: 207 PRs, three days. The Primeagen dives into Effect. Ziverge runs their first Effect training workshop.

effect.website

This Week in Effect #134 → Kit Langton unleashed Astra on Effect. → Dillon Mulroy will never again start another TypeScript app without Effect. → Matt Pocock praising Effect docs. More below: effect.website/blog/this-we...

Upcoming Effect events: Effect Office Hours 🔥: youtube.com/live/xKH8N0e... Effect Warsaw 🇵🇱: luma.com/29fn6spj Effect NYC 🗽: luma.com/2e0qaazh Effect San Francisco 🌉: luma.com/all-things-e...

Effect v4 RC: August 2026 Updates → Upcoming breaking changes → Zero external dependencies in core → Native PostgreSQL Client More below: www.effect.website/blog/effect-...

Effect v4 RC: August 2026 Updates | Effect Blog

Effect v4 Release Candidate announcement. Zero external dependencies in the core package. A native PostgreSQL client, pull-based Sockets, native Schema Arbitraries, and more.

effect.website

The Effect community is meeting on both US coasts this September: 🗽 NYC - Sep 24, 6:30 PM luma.com/2e0qaazh 🌉 SF - Sep 30, 5:30 PM luma.com/all-things-e... Come spend an evening talking all things Effect!

Effect NYC - #2 · Luma

Join the Effect community in NYC! 🗽 For engineers building AI agents, using TypeScript in production, or just curious about Effect! About Effect: Website &…

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This Week in Effect #133 → Effect v4 core package now has no external dependencies → effect-mq: background jobs for Effect. By Adam Rankin → Effect Days early-bird tickets close on September 1st More below ⤵︎ www.effect.website/blog/this-we...

We can’t wait to see everyone at Effect Days this December 🤍 Early Bird tickets close on September 1st ↓ effect.website/effect-days

Effect Days Livorno - December 9-11, 2026

Effect Days returns to Livorno, Italy on December 9-11, 2026. Three days of workshops, talks, and community with the Effect ecosystem.

effect.website

This Week in Effect #131 → Effect v4 Release Candidate is here! → Effect Days 2026 tickets are live! → A new Effect v3 → v4 migration skill! More below ⤵︎ www.effect.website/blog/this-we...

This Week in Effect - 131 | Effect Blog

Effect v4 Release Candidate is here! Effect Days 2026 🇮🇹 is back! A skill for Effect v3 to v4 Migration.

effect.website

Effect Days is back 🇮🇹 Join us on December 9–11 for three days with the people building Effect and the people building with it. Workshops. Talks. Community. Early Bird tickets are now live ↓ www.effect.website/effect-days

Effect v4 Release Candidate is here! After months of beta releases, real-world usage, and community feedback, v4 is entering the final stretch before stable. Try it, migrate, test your integrations, and tell us what still breaks before 4.0. Announcement below ↓ www.effect.website/blog/release...

Modeling URI string protocols | Community Code Review www.youtube.com/watch?v=Gmqn...

Modeling URI string protocols | Community Code Review

YouTube video by Effect | TypeScript for the AI Era

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Effect through the eyes of ZIO’s creator, John De Goes www.youtube.com/watch?v=NhbF...

Effect through the eyes of ZIO’s creator, John De Goes

YouTube video by Effect | TypeScript for the AI Era

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This Week in Effect ︀︀ #130 John De Goes on Cause & Effect podcast Effect LSP rules now available as type-aware OXLint rules Satispay & Medblocks hiring Effect engineers More below ⤵︎ www.effect.website/blog/this-we...

This Week in Effect - 130 | Effect Blog

John De Goes joins Cause & Effect Podcast #10 to talk AI, Effect primitives, and teaching Effect in the age of AI. Effect LSP rules now available as type-aware OXLint rules.

effect.website

Enjoy a special Cause & Effect episode with John De Goes, creator of ZIO and grandfather of Effect. www.youtube.com/watch?v=irmz...

Software Engineering in the Age of AI || John De Goes || Cause & Effect 10

YouTube video by Effect | TypeScript for the AI Era

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Tomorrow: full Cause & Effect episode with John De Goes

Testing LLM workflows with Effect at OpenCode with Kit Langton & Johannes Schickling www.youtube.com/watch?v=EBSO...

Testing LLM workflows with Effect at OpenCode | Kit Langton

YouTube video by Effect | TypeScript for the AI Era

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Stop the agent slop with Effect by Maxwell Brown | Office Hours 32 🔥 www.youtube.com/watch?v=b8UL...

Stop the agent slop with Effect | Maxwell Brown

YouTube video by Effect | TypeScript for the AI Era

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Effect v4 beta keeps moving. In July: a new Graph module, a Schedule overhaul, HttpApi hardening, migration tooling, v4 API docs, AI-related updates, etc. `main` is now Effect v4. Full recap ⤵︎ www.effect.website/blog/effect-...

Effect v4 Beta: July 2026 Updates | Effect Blog

Native Deno support, a Graph module, Schedule overhaul, HttpApi hardening, a landmark repository migration, and more.

effect.website

This Week in Effect ︀︀ #129 Ziverge becomes the first Effect Adoption Partner and launches an Effect Training Workshop by John De Goes Why Effect v4 is built for AI-assisted coding - by Ben Davis Theo's first PR in Effect More below ⤵︎ www.effect.website/blog/this-we...

Effect is one of the most critical pieces of technology for building with agents at this point. -- Ben Davis ︀︀From errors as values to services, testing, and dependency injection, Ben Davis explains why Effect v4 feels built for the AI era. youtu.be/TXHQDOFW6Uc

Why Effect v4 is built for AI-assisted coding | Ben Davis

YouTube video by Effect | TypeScript for the AI Era

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Effective State Machines with XState by David Khourshid | Effect Miami 2 www.youtube.com/watch?v=m-dS...

Effective State Machines with XState | David Khourshid | Effect Miami 2

YouTube video by Effect | TypeScript for the AI Era

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This Week in Effect ︀︀ #128 Foldkit on the Cause & Effect podcast w/ Devin Jameson & Johannes Schickling New Effect website launched ✨ Datapizza hiring in Italy More below ⤵︎ www.effect.website/blog/this-we...

We shipped a brand-new Effect website. The docs are still for Effect v3 for now. This new website gives us the foundation to build a much better documentation experience for Effect v4, which we'll continue developing as we move toward the release. www.effect.website

Schema.struct vs Schema.class in V4 Schema.opaque vs Plain Struct schemas Effect Office Hours 31 🔥 www.youtube.com/watch?v=6mNN...

Schema.struct vs Schema.class in V4, Schema.opaque vs Plain Struct schemas

YouTube video by Effect | TypeScript for the AI Era

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