Cup o' Go

Conference videos🇬🇧 GopherCon UKFyneConfProposals💧 Accepted: add new goroutine leak profile as a GOEXPERIMENTFull discussion of this feature in Episode 127🪿 Added to minutes: add GOOS=noos bare metal support🫣 Added to minutes: Add bytes.Buffer.Peek👍 Added to minutes: Add must.DoBlog posts✈️ Go blog: Flight Recorder in Go 1.25 by Carlos Amedee and Michael Knyszek🫖 We tried Go's experimental Green Tea garbage collector and it didn't help performance by Zach Musgravedo v2.0.0 released, dependency injection toolkit for Go🌩️ Lightning RoundWatermill 1.5 ReleasedSweet Fyne appssupersonicBounce presentationmodgen, static generator for Go module vanity URLs ★ Support this podcast on Patreon ★

Meetups and Conferences🇺🇸 Go Meetup in San Francisco, Oct 23 @ Forge🇺🇸 GoWest, Oct 24 @ Lehi, Utah USA🇳🇬 GopherCon Africa, Oct 24 & 25 @ Lagos, Nigeria🇷🇺 LetsGoConf followup post on TelegramProposals⚠️ Accepted: errors.AsType (As with type parameters)💧 runtime/pprof,runtime: new goroutine leak profileNew: direct reference to embedded fields in struct literals🌩️ Lighting Roundgolangci-lint v2.5.0 releasedBlog: Building Conway's Game of Life in Go with raylib-go by Tim LittleBlog: vacuum gets a facelift by quobix ★ Support this podcast on Patreon ★

Thanks Gabriel Augendre for guest co-hosting this episode!Visit cupogo.dev for all the links.🔬 A new experimental Go API for JSON🧾 2025 Go Developer Survey🥸 Test state, not interactions by Redowan😴 Go team quiet week Sep 22–Sep 26⛓️‍💥 The Day the Linter Broke My CodeInterview with Matt BoyleFind Matt on XOnaByteSizeGoFunctional options for friendly APIs ★ Support this podcast on Patreon ★

Go 1.25.1 and Go 1.24.7 are released🇩🇪 GopherCon Europe: Berlin 2025 videos online⏱️ Blog: Testing Time (and other asynchronicities) by Damien NeilVideo: Testing Time (and other asynchronous code)👖 gofumpt v0.9.0 releasedVideo: Go's Naked Returns: Be afraid!🗳️ Blog: Building Bulletproof Leader Election in Kubernetes Operators: A Deep Dive by Ishai ShorProposalsAccepted: deprecate x/net/context package👈 Likely accept: spec: expression to create pointer to simple typesJonathan is available for fractional Gopher work!Lightning Roundgithub.com/jackc/pgx/v5 v5.7.6 released👕 Gopher themed Hawaiian shirt designsNew "official" fork of Go YAML library ★ Support this podcast on Patreon ★

This episode is sponsored by Boldly Go! Need fractional Gophering work? Visit boldlygo.tech.For everything Cup o' Go, incl. swag, Patreon, past episodes, and more, please visit our website.GopherCon 2026 location pollGopherCon IndiaGOMAXPROCSCourse: "Introducing Command Line Applications in Go"SQLite benchmarks ★ Support this podcast on Patreon ★

🥩 Meatspace🇺🇸 Going to GopherCon in NYC? Meet other Cup'o'Gophers there!🇺🇸 Interested in a SF meetup? Fill out the poll🇷🇺 Let's GoConf, Sept 12 @ Moscow, RussiaGopherJS 1.19 with generics releasedInterview with Grant Nelson, Episode 53ProposalsAccepted: x/tools/go/analysis/structtag: stricter JSON tag checkingPrevious mention: Episode 117New: errors: As with type parametersNew: x/net/context: deprecate package or symbols in package, and potentially tag/deleteLightning Round🐐 GoAT: Go ASCII TOOL🍰 Blog: Fun With Golang Slices by Monique Mudama ★ Support this podcast on Patreon ★

Go 1.25 is released🛠️ x/tools contains public packages that fail to build with Go 1.25.0🧱 Building blocks for idiomatic Go pipelines by Anton ZhiyanovGopherCon USA, Aug 26-28 in New York🌩️ Lightning Roundoutrig ★ Support this podcast on Patreon ★

Visit https://cupogo.dev/ for all things Cup o' Go![security] Go 1.24.6 and Go 1.23.12 are releasedMicrosoft build of Go Telemetry – Helping Us Build Better ToolsGo Assembly Mutation TestingGitLab catches MongoDB Go module supply chain attackBreak:Jonathan's streaming again on TwitchGeorge Adams interviewMicrosoft devblogs  ★ Support this podcast on Patreon ★

🗳️ Surveys say...StackOverflow 2025 Developer Survey resultsThe Pragmatic Engineer 2025 SurveyProposals🆕 New: proposal: x/tools/go/analysis/structtag: stricter JSON tag checkingRelated discussion on Episode 117Accepted: doc: mention "purego" build tag convention somewhere🤡 Accepted: mime: expand on what is covered by builtinTypesAccepted: log/slog: add multiple handlers support for loggerRelated discussion on Episode 118🌩️ Lightning RoundCL to fix incorrect expansion of "", "." and ".." in LookPath🧋 Blog: Developing a terminal UI in Go with Bubble Tea ★ Support this podcast on Patreon ★

Jon's gone fishing, Shay's gone camping, so the community took the time to optimize all the things :)https://cupogo.dev/ for all the links and details! This show is supported by you, and there are many ways to support the show (directly and indirectly). Thanks for listening!Meetup roundupJamie Tanna - Hands on dependency workshop @ FatsomaFyne Conf 2025 exclusive CFPGo South AfricaGopherCon UKGopherConGopherCon IndiaGolab (Florence, Italy)GoWest, as previously mentioned on the showGophercon AfricaProposal moved to Active: http3Datadog's blogpost: How Go 1.24's Swiss Tables saved us hundreds of gigabytesTurso's blogpost: We rewrote large parts of our API in Go using AI: we are now ready to handle one billion databasesDaniel Harp's ^ throw operatorAhmet Alp Balkan's blogpost: Kubernetes List API performance and reliability ★ Support this podcast on Patreon ★