Cup o' Go

New rule: Every rule exists to be broken. (except this one?) 30.05.2026 33min

GoConf, Sept 11 & Moscow, RussiaCFPProposalsAccepted: Formal GODEBUG removal policyNew: Allow explicit conversion from function to 1-method interfaceBlog: The 10 Go Error Handling Commandments by Preslav RachevLearn Logging & Observability in Go @ boot.dev, use code CUPOGO to save 25%Video: Practical Go Development with AI Agents by Miki TebekaBlog series: Understanding the Go Runtime by Jesús Espino ★ Support this podcast on Patreon ★

(AI) Some imp(AI)ortant sec(AI)urity fixes (AI). And AI is every(AI)where! 23.05.2026 19min

🛡️ Several security releases🖼️ Vulnerabilities in golang.org/x/image🔐 Vulnerabilities in golang.org/x/crypto🥅 Vulnerabilities in golang.org/x/net📘 Blog: Introducing the pkg.go.dev API by Ethan Lee, Hana Kim, and Jonathan AmsterdamFree webinar: Practical Go Development with AI Agents, May 27 by Ardan LabsProposalsAccepted: json/v2 coming in Go 1.27Episode 34: Interview with Joe Tsai about json/v2Accepted: httptest.NewSynctestServerLightning Roundslk — A blazingly fast Slack TUIAudience question from Miriah: In the age of AI coding, do we care about language-specific conferences? ★ Support this podcast on Patreon ★

Linux vs Windows: Which has the most security vulnerabilities in Go 1.26.2? 09.05.2026 26min

GopherCon Agenda is live! Aug 3-6 @ SeattleGo 1.26.3 and 1.25.10 released with 11 security fixesGo + LLM projectsgosymdb: A Go symbol and call-graph database backed by SQLite.cli-bridge: If you want agents to actually use your CLI, this is the missing piece. ★ Support this podcast on Patreon ★

OpenAPI 3.1.0 support in kin-openapi, and a CRITical look at agentic coding 02.05.2026 1godz 3min

kin-openapi v0.136.0 released with support for OpenAPI 3.1.0git 2.54 releasedgo-gitAccepted proposal: modernize for atomic, embedlit, errorsastype, plusbuild, stringscut, stditeratorsATL Builder Night, May 11Interview with Tomasz Tomczykcrit.md / on GitHubBlogXSuperpowerscontext-mode ★ Support this podcast on Patreon ★

Builds, Validation, Web3, CORS, Typescript-- wait this is a Go show?! with Paweł Zaremba 25.04.2026 34min

Visit cupogo.dev for show notes, Patreon link, Swag and more!proposal: cmd/go: add -buildversion build flagValidating data in Go by Phillipp Winter: https://nymity.ch/writing/articles/validation/ETHWarsaw Event Calendar: Meetups, Conference & HackathonUpcoming GoSF meetup: Go Meetup in San Francisco | Hosted by Meterjub0bs/cors: perhaps the best CORS middleware library for Go plus the relevant blogpost: Fearless CORS: a design philosophy for CORS middleware libraries (and a Go implementation)Paweł on X: https://x.com/teghnetAnnouncing TypeScript 7.0 Beta ★ Support this podcast on Patreon ★

A Nil by any other name 18.04.2026 25min

GopherCon Singapore, May 22-26Accepted proposalsuuid: add API to generate and parse UUIDRelated, likely decline: rename Nil to Zerostrings, bytes: add CutLastdeprecate h2c packageBlog: Go 1.26.2-1 and 1.25.9-1 Microsoft builds now availableUpcoming course: Idiomatic Testing in Go ★ Support this podcast on Patreon ★

Go 1.26.2 is a beast. Go upgrade! 11.04.2026 19min

📄 GopherCon UK 2026 CFP open through Apr 16Go 1.26.2 and 1.25.9 released with 10 CVE fixes⚡ Lightning Roundlneto — Userspace networking primitivesBlog: A Cryptography Engineer’s Perspective on Quantum Computing Timelines by Filippo ValsordaGo on the ESP32 ★ Support this podcast on Patreon ★

Go is epic at Epic! Chat with Creed Haymond about Go in gaming 04.04.2026 30min

Go 1.26.2 and Go 1.25.9 coming Tue, April 7Go Blog: Type Construction and Cycle Detection by Mark FreemanBlog: Developing a 2FA Desktop Client in Go by Alex Pliutau🙉 Blog: Native Chaos Engineering: Testing Resilience with Fault & Latency Injection by Onur Cinar🖨️ gpdf, A pure Go, zero-dependency PDF generation library with a layered architecture and declarative builder API.GitHubWeb site⚡ Lightning Roundgopherlintvalkey-go🎮 Interview with Creed Haymond of Epic GamesCreed on GitHubCreed on LinkedInEpic Online Services ★ Support this podcast on Patreon ★

🌉 Live from SF w/ Josh Bleecher Snyder: Divide and Slog, Sponsored by Antithesis and Ardan Labs 27.03.2026 16min

Sponsored by Antithesis and Ardan Labs!This episode was recorded live in Antithesis's offices in San Francisco, as part of the GoSF meetups in math/big: add Int.Divide method with rounding modesDelete BZR supportBuilding slogboxLightning Round:JetBrains Interviews with Go DevelopersExport TUI to Go bubbletea codeCheck out past episodes, swag store, and Patreon link in cupogo.dev! ★ Support this podcast on Patreon ★

You get an error, ⚠️ you get an error, ⚠️ you get an error. ⚠️ Everybody gets an error! ⚠️⚠️ 23.03.2026 35min

🍯 Proposal Accepted: function type inference should work in all assignment contexts🧵 Blog: Go String Concatenation Performance Optimization: Comparing 15 Methods by Winter Jung⚠️ fallthrough podcast: Deprecate the Error Interface👢 25% off first payment at boot.dev with code CUPOGO ★ Support this podcast on Patreon ★

go fix your stack allocations in preparation for TypeScript 7 14.03.2026 25min

Allocating on the Stack by Keith Randall//go:fix inline and the source-level inliner by Alan DonovanAnnouncing TypeScript 6.0 RC by Daniel Rosenwasser ★ Support this podcast on Patreon ★

🌷 Spring is in the air! 🌸 Time to cool down! 🧊 07.03.2026 34min

Go 1.26.1 and Go 1.25.8 are releasedProposalsAccepted: change go mod init default go directive back to 1.NAccepted: regexp: add iterator forms of matching methodsNew: support dependency cooldown in Go toolingLightning roundGo popular in China?Why Go Can't Try ★ Support this podcast on Patreon ★

Thank you for listening to episode 137. Err... 137-1 = 135? Or is it 136? No, 137. I think. Maybe. 28.02.2026 30min

🔐 Go 1.26.1 and Go 1.25.8 pre-announcement🇮🇹 GoLab 2026, Nov 1-3 @ Bologna, ItalyCFP Open through Apr 13➖ Proposal: change go mod init default go directive back to 1.N✔️ Accepted: generic methods for GoWe talked about it in E143📵 Blog: Turn Dependabot Off by Filippo Valsorda⚡️ Lightning Round🤩 Datastar: The Hypermedia Framework🐘 postgresparser -> ANTLR ★ Support this podcast on Patreon ★

‽ Errata, Go fix բᵢₓ ᶠᶦˣ, & agent skills 21.02.2026 30min

Visit https://cupogo.dev/ for all the links.Using go fix to modernize Go codeEric S. Raymond's tweet about auto-converting his C code to GoEric's HomepageSkill-validatorLinkedIn, GitHub, AgentSkillReport.comcmd/vet: check for missing Err calls for bufio.Scanner and sql.Rows #17747Meetups Shay will be at:GoSF Go Israel April MeetupLightning Round:lazygitKoyeb is Joining Mistral AIPaged Out! #8 is out! ★ Support this podcast on Patreon ★

Dancing elephants and upgraded Elves 14.02.2026 31min

MeetupsHello Stuttgart, 19 FebGo 1.26 is out!Go 1.26 release party with Anton ZhiyanovGo 1.26.0-1 available from MicrosoftLighting RoundBlog: Stepping out of Front-End with Go by ElGophertransition ppc64/linux (big-endian) from ELFv1 to ELFv2 in Go 1.27Discussion: Should Go accept CLs generated by AI? ★ Support this podcast on Patreon ★

Your ID is absolutely unique. Just like everyone else's. — Plus Jakub Ciolek talks fuzzing and bug bounties 07.02.2026 59min

Go 1.25.7 and 1.24.13 releasedUUIDs in the standard library?crypto/uuid: add API to generate and parse UUIDscrypto/rand: add UUIDv4 and UUIDv7 generatorsThe most popular Go dependency is...Lightning roundRust vs Go in 2026 by John ArundelWelcome to Gas Town by Steve YeggeInterview with Jakub CiolekOn GitHubHackerOne 'ghosted' me for months over $8,500 bug bounty, says researcher ★ Support this podcast on Patreon ★

Happy 3rd birthday, Brewster! Live from SF 🌁🌉 29.01.2026 21min

Sponsored by Quantcast!This episode was recorded live at San Francisco as part of GoSF.ProposalsAccepted: direct reference to embedded fields in struct literalsNew: Generic Methods for Go ★ Support this podcast on Patreon ★

Go pherJS. 🌐 Go survey. 📈 Go podcast. 🎧 24.01.2026 1godz 16min

GopherJS 1.20 releasedListen to interview with Grant Nelson, Episode 53Results from the 2025 Go Developer SurveyInterview with Dominic St-Pierrego podcast()StaticBackendDominic on LinkedIn ★ Support this podcast on Patreon ★

3️⃣3️⃣3️⃣ Security patches for 3 Go versions, 3 meetups, planning our 3 year anniversary! 17.01.2026 26min

Want to share our last week's episode? Here is the link!Want to send a voice note for our 3 year episode? Here!News[security] Go 1.26 Release Candidate 2 is released[security] Go 1.25.6 and Go 1.24.12 are releasedGophercamp 2026Lightning RoundHow to Get Consistent Classification From Inconsistent LLMs?Yet another Nginx Web UIAd breakWant to send a voice note for our 3 year episode? Here!Go Rumours: Meetup in San Francisco || Hosted by QuantcastSF Go Meetup March '26 ★ Support this podcast on Patreon ★

Go 1.26: 240% better! 🎊 This episode: 340% longer! 🎉 Venn: 100% awesome 👍 10.01.2026 1godz 38min

GopherCon 2026 Early tickets until Jan 31! Get them while they last!Go 1.26 coming soonOfficial release notesInteractive release notes by Anton ZhiyanovInterview with Arthur VaverkoVenn.cityJob openingsArthur Vaverko on LinkedIn ★ Support this podcast on Patreon ★