Cup o' Go

OpenAPI 3.1.0 support in kin-openapi, and a CRITical look at agentic coding

* kin-openapi v0.136.0 released [https://github.com/getkin/kin-openapi/releases/tag/v0.136.0] with support for OpenAPI 3.1.0 * git 2.54 released [https://lore.kernel.org/git/xmqqa4uxsjrs.fsf@gitster.g/] * go-git [https://github.com/go-git/go-git] * Accepted proposal: modernize for atomic, embedlit, errorsastype, plusbuild, stringscut, stditerators [https://github.com/golang/go/issues/77986] * ATL Builder Night, May 11 [https://www.buildernight.com/] * Interview with Tomasz Tomczyk * crit.md [https://crit.md/] / on GitHub [https://github.com/tomasz-tomczyk/crit] * Blog [https://tomasztomczyk.com/] * X [https://x.com/tomasztomczyk] * Superpowers [https://github.com/obra/superpowers] * context-mode [https://github.com/mksglu/context-mode] ★ Support this podcast on Patreon ★ [https://www.patreon.com/user?u=52571196]

Builds, Validation, Web3, CORS, Typescript-- wait this is a Go show?! with Paweł Zaremba

Visit cupogo.dev [https://cupogo.dev/] for show notes, Patreon link, Swag and more! * proposal: cmd/go: add -buildversion build flag [https://github.com/golang/go/issues/77020] * Validating data in Go by Phillipp Winter: https://nymity.ch/writing/articles/validation/ [https://nymity.ch/writing/articles/validation/] * ETHWarsaw Event Calendar: Meetups, Conference & Hackathon [https://luma.com/ethwarsaw] * Upcoming GoSF meetup: Go Meetup in San Francisco | Hosted by Meter [https://www.meetup.com/golangsf/events/314154772/] * jub0bs/cors: perhaps the best CORS middleware library for Go [https://github.com/jub0bs/cors] plus the relevant blogpost: Fearless CORS: a design philosophy for CORS middleware libraries (and a Go implementation) [https://jub0bs.com/posts/2023-02-08-fearless-cors/] * Paweł on X: https://x.com/teghnet [https://x.com/teghnet] * Announcing TypeScript 7.0 Beta [https://devblogs.microsoft.com/typescript/announcing-typescript-7-0-beta/] ★ Support this podcast on Patreon ★ [https://www.patreon.com/user?u=52571196]

A Nil by any other name

* GopherCon Singapore [https://2026.gophercon.sg/], May 22-26 * Accepted proposals * uuid: add API to generate and parse UUID [https://github.com/golang/go/issues/62026] * Related, likely decline: rename Nil to Zero [https://github.com/golang/go/issues/78612] * strings, bytes: add CutLast [https://github.com/golang/go/issues/71151] * deprecate h2c package [https://github.com/golang/go/issues/72039] * Blog: Go 1.26.2-1 and 1.25.9-1 Microsoft builds now available [https://devblogs.microsoft.com/go/go-1-26-2-1-and-1-25-9-1-microsoft-builds-now-available/] * Upcoming course: Idiomatic Testing in Go [https://boldlygo.tech/idiomatic-testing/?utm_source=podcast&utm_medium=shownotes&utm_campaign=launch] ★ Support this podcast on Patreon ★ [https://www.patreon.com/user?u=52571196]

Go 1.26.2 is a beast. Go upgrade!

* 📄 GopherCon UK 2026 CFP open [https://manage.copiaevents.com/cfp/gophercon-uk-2026] through Apr 16 * Go 1.26.2 and 1.25.9 released [https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU] with 10 CVE fixes * ⚡ Lightning Round * lneto [https://github.com/soypat/lneto] — Userspace networking primitives * Blog: A Cryptography Engineer’s Perspective on Quantum Computing Timelines [https://words.filippo.io/crqc-timeline/] by Filippo Valsorda * Go on the ESP32 [https://github.com/tinygo-org/espradio/] ★ Support this podcast on Patreon ★ [https://www.patreon.com/user?u=52571196]

Go is epic at Epic! Chat with Creed Haymond about Go in gaming

* Go 1.26.2 and Go 1.25.9 coming Tue, April 7 [https://groups.google.com/g/golang-announce/c/2UyQAnUQKwc] * Go Blog: Type Construction and Cycle Detection [https://go.dev/blog/type-construction-and-cycle-detection] by Mark Freeman * Blog: Developing a 2FA Desktop Client in Go [https://packagemain.tech/p/2fa-desktop-client-golang-wails-vue] by Alex Pliutau * 🙉 Blog: Native Chaos Engineering: Testing Resilience with Fault & Latency Injection [https://dev.to/onurcinar/native-chaos-engineering-testing-resilience-with-fault-latency-injection-83] by Onur Cinar * 🖨️ gpdf, A pure Go, zero-dependency PDF generation library with a layered architecture and declarative builder API. * GitHub [https://github.com/gpdf-dev/gpdf] * Web site [https://gpdf.dev/] * ⚡ Lightning Round * gopherlint [https://github.com/flimzy/gopherlint] * valkey-go [https://github.com/valkey-io/valkey-go] * 🎮 Interview with Creed Haymond of Epic Games * Creed on GitHub [https://github.com/creedasaurus] * Creed on LinkedIn [https://www.linkedin.com/in/dcreedh/] * Epic Online Services [https://onlineservices.epicgames.com/] ★ Support this podcast on Patreon ★ [https://www.patreon.com/user?u=52571196]