→Website & Docs: https://effect.website/ →Community & Support: http://discord.gg/effect-ts Cross-posting account. For conversations, find us on X/Discord/GitHub/LinkedIn.https://bsky.app/profile/effect-ts.bsky.socialhttps://bsky.app/profile/effect-ts.bsky.social/post/3muudsc4ghs26This 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: https://effect.website/blog/this-week-in-effect/13406 Sep 2026 15:48 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3muudsc4ghs26https://bsky.app/profile/effect-ts.bsky.social/post/3mujpugs3t22aUpcoming Effect events: Effect Office Hours 🔥: https://youtube.com/live/xKH8N0efB00?feature=share Effect Warsaw 🇵🇱: luma.com/29fn6spj Effect NYC 🗽: luma.com/2e0qaazh Effect San Francisco 🌉: https://luma.com/all-things-effect02 Sep 2026 10:25 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mujpugs3t22ahttps://bsky.app/profile/effect-ts.bsky.social/post/3muhllfnksc2cEffect v4 RC: August 2026 Updates → Upcoming breaking changes → Zero external dependencies in core → Native PostgreSQL Client More below: https://www.effect.website/blog/effect-v4-rc-august-recap01 Sep 2026 14:03 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3muhllfnksc2chttps://bsky.app/profile/effect-ts.bsky.social/post/3mueyhqbyhs27The 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 https://luma.com/all-things-effect Come spend an evening talking all things Effect! https://luma.com/2e0qaazh31 Aug 2026 13:16 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mueyhqbyhs27https://bsky.app/profile/effect-ts.bsky.social/post/3mua4wknyrc2zThis 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 ⤵︎ https://www.effect.website/blog/this-week-in-effect/13329 Aug 2026 14:52 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mua4wknyrc2zhttps://bsky.app/profile/effect-ts.bsky.social/post/3mu5aenuyb22lWe can’t wait to see everyone at Effect Days this December 🤍 Early Bird tickets close on September 1st ↓ effect.website/effect-days https://effect.website/effect-days28 Aug 2026 11:16 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mu5aenuyb22lhttps://bsky.app/profile/effect-ts.bsky.social/post/3mt4kjotnhc2tThis 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 ⤵︎ https://www.effect.website/blog/this-week-in-effect/13115 Aug 2026 11:20 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mt4kjotnhc2thttps://bsky.app/profile/effect-ts.bsky.social/post/3mt235pux5s2qEffect 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-days14 Aug 2026 11:39 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mt235pux5s2qhttps://bsky.app/profile/effect-ts.bsky.social/post/3msvdi4ha522pEffect 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 ↓ https://www.effect.website/blog/releases/effect/40-rc12 Aug 2026 14:25 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3msvdi4ha522phttps://bsky.app/profile/effect-ts.bsky.social/post/3mssdwkjyyk24Modeling URI string protocols | Community Code Review https://www.youtube.com/watch?v=GmqnyKZpM9811 Aug 2026 09:55 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mssdwkjyyk24https://bsky.app/profile/effect-ts.bsky.social/post/3msq2wefmxk2kEffect through the eyes of ZIO’s creator, John De Goes https://www.youtube.com/watch?v=NhbFv-E4xEo10 Aug 2026 12:09 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3msq2wefmxk2khttps://bsky.app/profile/effect-ts.bsky.social/post/3msl53fz2is2vThis 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 ⤵︎ https://www.effect.website/blog/this-week-in-effect/13008 Aug 2026 13:04 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3msl53fz2is2vhttps://bsky.app/profile/effect-ts.bsky.social/post/3msig5lrufc2aEnjoy a special Cause & Effect episode with John De Goes, creator of ZIO and grandfather of Effect. https://www.youtube.com/watch?v=irmz5X3c7Do07 Aug 2026 11:08 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3msig5lrufc2ahttps://bsky.app/profile/effect-ts.bsky.social/post/3msfvmkugbc2fTomorrow: full Cause & Effect episode with John De Goes06 Aug 2026 11:07 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3msfvmkugbc2fhttps://bsky.app/profile/effect-ts.bsky.social/post/3msbabpu73k25Testing LLM workflows with Effect at OpenCode with Kit Langton & Johannes Schickling https://www.youtube.com/watch?v=EBSOGU-65c404 Aug 2026 14:35 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3msbabpu73k25https://bsky.app/profile/effect-ts.bsky.social/post/3ms3tovu7kk2tStop the agent slop with Effect by Maxwell Brown | Office Hours 32 🔥 https://www.youtube.com/watch?v=b8ULm238DHg02 Aug 2026 11:06 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3ms3tovu7kk2thttps://bsky.app/profile/effect-ts.bsky.social/post/3mrzkwzjtvs2dEffect 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 ⤵︎ https://www.effect.website/blog/effect-v4beta-july-recap01 Aug 2026 13:24 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mrzkwzjtvs2dhttps://bsky.app/profile/effect-ts.bsky.social/post/3mrxgra5c5c2tThis 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 ⤵︎ https://www.effect.website/blog/this-week-in-effect/12931 Jul 2026 17:04 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mrxgra5c5c2thttps://bsky.app/profile/effect-ts.bsky.social/post/3mruduw3g6s25Effect 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 https://youtu.be/TXHQDOFW6Uc30 Jul 2026 11:34 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mruduw3g6s25https://bsky.app/profile/effect-ts.bsky.social/post/3mrkdtmj5jc2fEffective State Machines with XState by David Khourshid | Effect Miami 2 https://www.youtube.com/watch?v=m-dSS55VO3Y26 Jul 2026 12:07 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mrkdtmj5jc2fhttps://bsky.app/profile/effect-ts.bsky.social/post/3mrhrm5wtak2kThis 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 ⤵︎ https://www.effect.website/blog/this-week-in-effect/12825 Jul 2026 11:35 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mrhrm5wtak2khttps://bsky.app/profile/effect-ts.bsky.social/post/3mrfkp4a2jc2wWe 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.website24 Jul 2026 14:26 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mrfkp4a2jc2whttps://bsky.app/profile/effect-ts.bsky.social/post/3mrf5rcdbgs2sSchema.struct vs Schema.class in V4 Schema.opaque vs Plain Struct schemas Effect Office Hours 31 🔥 https://www.youtube.com/watch?v=6mNNOQlvYzI24 Jul 2026 10:35 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mrf5rcdbgs2shttps://bsky.app/profile/effect-ts.bsky.social/post/3mr366wri322dAn Effect-First Frontend Framework: Foldkit Devin Jameson joined Johannes Schickling on Cause & Effect to talk about Foldkit’s schema-first approach to frontend state, how it differs from React, and why this architecture matters even more for AI-assisted coding. https://www.youtube.com/watch?v=MyKLh5CMpeY20 Jul 2026 11:16 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mr366wri322dhttps://bsky.app/profile/effect-ts.bsky.social/post/3mqu6ek4qv22hThis Week in Effect `effect-smol` is merged back into the main repo 👀 Skills for Production TypeScript with Effect v4 by Kit Langton Crosshatch by Harry Solovay More below ⤵︎ https://effect.website/blog/this-week-in-effect/2026/07/17/17 Jul 2026 16:31 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mqu6ek4qv22hhttps://bsky.app/profile/effect-ts.bsky.social/post/3mqm4vdauyk2uOptics https://www.youtube.com/watch?v=49lIY6fKkIU14 Jul 2026 11:43 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mqm4vdauyk2uhttps://bsky.app/profile/effect-ts.bsky.social/post/3mqjokh4qv22bEffect Subtyping youtu.be/lzlm1SBLMng https://youtu.be/lzlm1SBLMng13 Jul 2026 12:21 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mqjokh4qv22bhttps://bsky.app/profile/effect-ts.bsky.social/post/3mqhbcpgxds2uThis Week in Effect: An intro to Effect -- by Christian Alexander "Effect is better for humans too, not just agents" -- cit. Tim Smart A major Cron semantics fix in Effect v4 Beta More below: https://effect.website/blog/this-week-in-effect/2026/07/10/12 Jul 2026 13:19 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mqhbcpgxds2uhttps://bsky.app/profile/effect-ts.bsky.social/post/3mqc4ck2tik22Effect.gen vs pipe https://www.youtube.com/watch?v=AgANFeTFgTM10 Jul 2026 12:06 +0000at://did:plc:3ipqldjwyui2te3i7ixaseac/app.bsky.feed.post/3mqc4ck2tik22