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Cup o' Go
Jonathan Hall & Shay Nehmad
134 episodes
1 day ago
Stay up to date with the Go community in about 15 minutes per week
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All content for Cup o' Go is the property of Jonathan Hall & Shay Nehmad and is served directly from their servers with no modification, redirects, or rehosting. The podcast is not affiliated with or endorsed by Podjoint in any way.
Stay up to date with the Go community in about 15 minutes per week
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Technology
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Episodes (20/134)
Cup o' Go
Can Claude Code fix your subtle bugs? 🐞
  • 🐞 Go 1.25.4 and 1.24.10 are released
  • The Geomys Standard of Care
  • 🛡️ Claude Code Can Debug Low-level Cryptography
  • 🫚 go podcast() episode 64: Podman, the root-less alternative to Docker
★ Support this podcast on Patreon ★
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1 week ago
33 minutes

Cup o' Go
👻 Spooky integer printing and 🧛🏻 scary fast ring buffers
  • New proposal: go vet check for using %q with integer types
  • Blog: I'm Independently Verifying Go's Reproducible Builds by Andrew Ayer
  • JetBrains' language promise index
  • Reddit: Why I built a ~39M op/s, zero-allocation ring buffer for file watching
  • Blog: A modern approach to preventing CSRF in Go
★ Support this podcast on Patreon ★
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2 weeks ago
29 minutes

Cup o' Go
Sponsored by Forge, live from San Francisco, it's Cup o' Go!

Thanks to Forge for sponsoring this episode!
Find Forge at https://withforge.com/. They are HIRING! Find Forge's jobs page here: https://in-the-forge.notion.site/hiring-roles

  • DRAFT RELEASE NOTES — Go 1.26
  • Coding Challenge #100 - BitTorrent Client
  • The Evolution of Caching Libraries in Go

This episode was recorded in front of a live studio audience, during a GoSF meetup.

★ Support this podcast on Patreon ★
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3 weeks ago
16 minutes

Cup o' Go
An episode as short as the name of a unix command
  • Go 1.25.3 and 1.24.9 released
  • 🪲 Blog:  How we found a bug in Go's arm64 compiler by Thea Heinen
  • zsh support progress for sh
  • 🇺🇸 Go meetup & live episode @ San Francisco
  • 🌩️ Lightning round
    • qjs, a CGO-Free, modern, secure JavaScript runtime for Go applications
    • 📺 Kaizen, watch anime from the terminal
★ Support this podcast on Patreon ★
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4 weeks ago
21 minutes

Cup o' Go
🍪 No more all-you-can-eat Cookies
  • Security releases
    • 🍪 Go 1.25.2 and 1.24.8 with 10 security fixes
    • 🌐 golang.org/x/net v0.45.0 with 2 security fixes
  • Meetups @ Conferences
    • 🇺🇸 San Fransisco, CA, USA — Oct 23 @ Forge
    • 🇮🇱 Tel Aviv, Israel — Dec 10 @ Cato Networks
    • 🇺🇸 GoWest @ Lehi, Utah USA — Oct 24
  • 🧦 New swag in the Cup o' Go store!
  • Proposals
    • 👷🏿‍♀️ Accepted: go fix to apply fixes from modernizers and gofix analyzers
    • On hold: Add experimental HTTP/3 support
  • 👖 gofumpt: Should clothing naked returns be put behind `-extra`?
★ Support this podcast on Patreon ★
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1 month ago
30 minutes

Cup o' Go
🪿 Goose noose? 🤘 Excellent! 🎸
  • Conference videos
    • 🇬🇧 GopherCon UK
    • FyneConf
  • Proposals
    • 💧 Accepted: add new goroutine leak profile as a GOEXPERIMENT
      • Full 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.Do
  • Blog 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 Musgrave
  • do v2.0.0 released, dependency injection toolkit for Go
  • 🌩️ Lightning Round
    • Watermill 1.5 Released
    • Sweet Fyne apps
      • supersonic
      • Bounce presentation
    • modgen, static generator for Go module vanity URLs
★ Support this podcast on Patreon ★
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1 month ago
31 minutes

Cup o' Go
💧 A leaky goroutine certainly does suck!
  • 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 Telegram
  • Proposals
    • ⚠️ Accepted: errors.AsType (As with type parameters)
    • 💧 runtime/pprof,runtime: new goroutine leak profile
    • New: direct reference to embedded fields in struct literals
  • 🌩️ Lighting Round
    • golangci-lint v2.5.0 released
    • Blog: Building Conway's Game of Life in Go with raylib-go by Tim Little
    • Blog: vacuum gets a facelift by quobix
★ Support this podcast on Patreon ★
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1 month ago
30 minutes

Cup o' Go
🪖 Gab's Notes on this week's Go news and an interview with Matt Boyle of Ona and ByteSizeGo

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 Code

Interview with Matt Boyle

  • Find Matt on X
  • Ona
  • ByteSizeGo
  • Functional options for friendly APIs
★ Support this podcast on Patreon ★
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1 month ago
1 hour 1 minute

Cup o' Go
👕 Clothe your naked gophers and returns, with this one weird episode THEY don't want you to know about!
  • 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 Neil
    • Video: Testing Time (and other asynchronous code)
  • 👖 gofumpt v0.9.0 released
    • Video: Go's Naked Returns: Be afraid!
  • 🗳️ Blog: Building Bulletproof Leader Election in Kubernetes Operators: A Deep Dive by Ishai Shor
  • Proposals
    • Accepted: deprecate x/net/context package
    • 👈 Likely accept: spec: expression to create pointer to simple types
  • Jonathan is available for fractional Gopher work!
  • Lightning Round
    • github.com/jackc/pgx/v5 v5.7.6 released
    • 👕 Gopher themed Hawaiian shirt designs
    • New "official" fork of Go YAML library
★ Support this podcast on Patreon ★
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2 months ago
40 minutes

Cup o' Go
🇲🇽 Café con Go, 🇨🇦 GopherCon, eh?, or 🌉 Goroutines on the Golden Gate?

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 poll
  • GopherCon India
  • GOMAXPROCS
  • Course: "Introducing Command Line Applications in Go"
  • SQLite benchmarks
★ Support this podcast on Patreon ★
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2 months ago
29 minutes

Cup o' Go
🐐 The Greatest Episode of All Time 🐐
  • 🥩 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, Russia
  • GopherJS 1.19 with generics released
    • Interview with Grant Nelson, Episode 53
  • Proposals
    • Accepted: x/tools/go/analysis/structtag: stricter JSON tag checking
      • Previous mention: Episode 117
    • New: errors: As with type parameters
    • New: x/net/context: deprecate package or symbols in package, and potentially tag/delete
  • Lightning Round
    • 🐐 GoAT: Go ASCII TOOL
    • 🍰 Blog: Fun With Golang Slices by Monique Mudama
★ Support this podcast on Patreon ★
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2 months ago
26 minutes

Cup o' Go
The X/Tools Files
  • 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 Zhiyanov
  • GopherCon USA, Aug 26-28 in New York
  • 🌩️ Lightning Round
    • outrig
★ Support this podcast on Patreon ★
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2 months ago
21 minutes

Cup o' Go
The s in "golang" stands for security and an interview with George Adams from Microsoft

Visit https://cupogo.dev/ for all things Cup o' Go!

  • [security] Go 1.24.6 and Go 1.23.12 are released
  • Microsoft build of Go Telemetry – Helping Us Build Better Tools
  • Go Assembly Mutation Testing
  • GitLab catches MongoDB Go module supply chain attack
  • Break:
    • John's streaming again on Twitch
  • George Adams interview
    • Microsoft devblogs 
★ Support this podcast on Patreon ★
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3 months ago
52 minutes

Cup o' Go
`-`
  • 🗳️ Surveys say...
    • StackOverflow 2025 Developer Survey results
    • The Pragmatic Engineer 2025 Survey
  • Proposals
    • 🆕 New: proposal: x/tools/go/analysis/structtag: stricter JSON tag checking
      • Related discussion on Episode 117
    • Accepted: doc: mention "purego" build tag convention somewhere
    • 🤡 Accepted: mime: expand on what is covered by builtinTypes
    • Accepted: log/slog: add multiple handlers support for logger
      • Related discussion on Episode 118
  • 🌩️ Lightning Round
  • CL to fix incorrect expansion of "", "." and ".." in LookPath
  • 🧋 Blog: Developing a terminal UI in Go with Bubble Tea
★ Support this podcast on Patreon ★
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3 months ago
35 minutes

Cup o' Go
🎣 Conference roundup, http3, DataDog and Turso do optimizations

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 roundup
    • Jamie Tanna - Hands on dependency workshop @ Fatsoma
    • Fyne Conf 2025 exclusive CFP
    • Go South Africa
    • GopherCon UK
    • GopherCon
    • GopherCon India
    • Golab (Florence, Italy)
    • GoWest, as previously mentioned on the show
    • Gophercon Africa
  • Proposal moved to Active: http3
  • Datadog's blogpost: How Go 1.24's Swiss Tables saved us hundreds of gigabytes
  • Turso's blogpost: We rewrote large parts of our API in Go using AI: we are now ready to handle one billion databases
  • Daniel Harp's ^ throw operator
  • Ahmet Alp Balkan's blogpost: Kubernetes List API performance and reliability
★ Support this podcast on Patreon ★
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3 months ago
27 minutes

Cup o' Go
🤌 The Gopherfather: Go 1.25, slog multihandlers, and more, capisce?
  • Go 1.24.5 and Go 1.23.11 are released
  • Go 1.25 Release Candidate 2 is released
  • 🇿🇦 GopherCon South Africa, Aug 6-7 Online
  • Go Blog: Generic Interfaces by Axel Wagner
  • Proposals
    • 🪵 New: log/slog: add multiple handlers support for logger
    • 👉 New: spec: expression to create pointer to simple types
      • Video: 10 Things I Hate About Go
  • urfave/cli: a declarative, simple, fast, and fun package for building command line tools in Go
★ Support this podcast on Patreon ★
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4 months ago
35 minutes

Cup o' Go
🛠️ Can we fix it? No we can't! 🧭 Plus, exclusive behind-the-scenes look at Go West Conf.
  • vscode-go v0.48.0 released with golangci-lint v2 support
    • golangci-lint v2 showcase and interview with Ldez, episode 104
  • LookPath bug: incorrect expansion of "" and "." in some PATH configurations
  • 🛠️ Proposal: cmd/fix: remove all functionality
  • Unexpected security footguns in Go's parsers by Vasco Franco
  • 🌩️ Lightning Round
    • Blog: Go: Don't name packages common nouns
    • pennybase: Poor man's Backend-as-a-Service (BaaS), similar to Firebase/Supabase/Pocketbase
  • Interview with Miriah Peterson & Derrick Laird
    • 🏕️ GoWest Conference
    • Forge Utah Foundation
    • Derrick Laird on X
    • Miriah Peterson on X
★ Support this podcast on Patreon ★
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4 months ago
51 minutes

Cup o' Go
🚧 Go Improvement: 🫸 waitgroup.Go, json/v2, 🐍 new features for cobra apps, with Jeremy Foran
  • ngrok Go SDK v2 released
  • 🚁 Go 1.25 interactive tour by Anton Zhiyanov
  • JSON evolution in Go: from v1 to v2 by Anton Zhiyanov
    • 📘 Free eBook: Data Serialization in Go by Jonathan Hall
    • JSON Benchmarks
  • Lightning Round
    • 🐍 charm Fang
    • YouTube short: CoPilot API is written in Go
    • ⌨️ Typst: Compose text faster
  • Jeremy Foran
    • Blue Flag Consulting
★ Support this podcast on Patreon ★
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4 months ago
28 minutes

Cup o' Go
What's coming in Go 1.25? Plus Redowan Delowar on what makes Go different from other languages
  • Go 1.25rc1 released
  • Opinion: Go should be more opinionated by Elton Minetto
  • Blog: HTTP QUERY and Go by Kevin McDonald
  • Interview with Redowan Delowar
    • Blog post: You probably don't need a DI framework
    • Blog
    • Fx dependency injection framework for Go
    • Blog: How I program with agents

★ Support this podcast on Patreon ★
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4 months ago
49 minutes

Cup o' Go
Agentic workflows and AI firewalls, so pretty much cancelling ourselves out

Don't forget to visit cupogo dot dev, where you can find links to all the things!

  • 🤖 Ezo Saleh - How We Built Rock-Solid Agentic Orchestration with Go
  • 🔥 Anubis
  • 🥨 Godump - pretty printer
  • 🪳 gcassert
  • 💧 isLitOrSingle
★ Support this podcast on Patreon ★
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5 months ago
13 minutes

Cup o' Go
Stay up to date with the Go community in about 15 minutes per week