• golang.org/x/crypto v0.45.0 released
• 🎂 Blog post: Go's Sweet 16
• macOS 12 losing support in Go 1.27
• 🗒️ Interview with Neil Vass
  • Neil's notes
  • Learn Go with Tests
  • Chris Do Dev on YouTube
  • Jonathan's joke assert library

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Visit https://cupogo.dev/ for show notes, swag store, Patreon, and more

• News
  • [security] golang.org/x/crypto fix pre-announcement
  • proposal: spec: remove cycle restriction for type parameters
  • Accepted: Add bytes.Buffer.Peek 
  • TIOBE index
  • Rust vs Go: Memory Management
• Interview
  • With Guy Gofman
  • MIND's career page: https://mind.io/careers
  • Git CTF: https://www.mrnice.dev/ctf/

• 🐞 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

• 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

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.

• 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

• 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`?

• 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

• 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

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