Thank you to this week's sponsor, Koyeb!

• Go 1.21.2 & 1.20.9 released. Upgrade yesterday!
• 💻 Hacktoberfest is happening now
  • How to participate
  • Go projects participating
• Proposals
  • 🔀 Accepted: testing: shuffle seed should be different when -shuffle=on and -count flag is set
    • Previously discussed in episode 32
  • 🧮 Accepted: math/rand/v2: revised API for math/rand
    • Previously discussed in episode 20 and episode 28
  • 👕 New: gofumpt: Clothe naked returns
  • Discussion: encoding/json/v2
    • Relevant Go JSON benchmarks
• New from the Go team:
  • New in Go 1.21: WASI support
  • Organizing a Go module
    • Adelina's book: Test-Driven Development in Go
• [Sponsored] Koyeb new feature alert: Built-in Observability to Monitor Your Apps Performances
• 🎙️ Interview with Joe Tsai
  • GitHub profile
  • Find the experimental package
    • GoDoc
    • GitHub

Join us on Slack! #cup-o-go on the Gopher Slack.

Thank you to this week's sponsor, Koyeb!

• Go 1.21.2 & 1.20.9 to release Oct 5
• Conferences
  • 🇺🇸 Go West Conference, Lehi, Utah, USA & Online, October 27
  • 🌐 Go-perf Meetup, CFP closes Oct 7, event early November
• Proposals & Bug Reports
  • ☕ Active: Add intern package
  • 🏎️ Closed: cmd/go: 1.21 regression in test times with -race
• Blog posts
  • ⚒️ Forward Compatibility and Toolchain Management in Go 1.21
  • Deconstructing Type Parameters
• [Sponsored] Koyeb new feature alert: Built-in Observability to Monitor Your Apps Performances
• Interview with Ian Smith
  • 🥖 Parigot
  • @iansmith

Thank you to this week's sponsor, Koyeb!

• 🇺🇸 GopherCon, San Diego, CA, USA, September 25-28
• OpenTofu (formerly OpenTF) officially joins the Linux Foundation
  • Blog post: OpenTF is NOT the fork
• 🔀 Proposal: testing: shuffle seed should be different when -shuffle=on and -count flag is set
• Blog posts
  • ➿ Go blog: Fixing For Loops in Go 1.22
  • Go blog: Backward Compatibility, Go 1.21, and Go 2
  • Thoughts on slogtest, by Peter Aronoff
  • 🔠 Capslock: What is your code really capable of?
• [Sponsored] Koyeb new feature alert: Built-in Observability to Monitor Your Apps Performances
• Interview with Wilken Rivera of the Go Developer Network (GDN)
  • About GDN on GitHub
  • GDN on Meetup
  • Sign up to be a sponsor
  • Sign up to be a speaker
  • Blog Post: So You Want To Start a Meetup by Paul Balogh
  • Upcoming GopherCon Events in San Diego
    • GopherCon meetup for meetup-orgranizers, Sept 26
    • GopherCon community day mentorship Sept 26
    • United Go Meetup, Sept 28
    • 👩 Women Who Go Meetup, Sept 26
    • Neurospicy Meetup, Sept 27
    • 🌈 Rainbow Alliance Meetup, Sept 27
  • Slack channels for meetup organizers
    • #meetup-organizers on the Gophers Slack
    • #gdn-meetups on the Gophers Slack

Thank you to this week's sponsor, Koyeb!

• So many conferences!
  • 🇺🇸 GopherCon, San Diego, CA, USA, September 25-28
    • 🎟️ Tickets still available
    • 🏨 Hotel discount extended to Monday, September 18
  • 🇮🇪 GopherCon Ireland, Dublin, November 2
  • 🏴󠁧󠁢󠁳󠁣󠁴󠁿 Fyne Conf, Edinburgh, November 3
    • CFP open until October 6
  • 🇸🇬 GopherCon Singapore, November 2-3
  • 🇦🇺 GopherConAU, Sydney, November 8-10
  • 🇮🇹 GoLab, Florence, Italy, November 19-21
• Proposals
  • encoding: add AppendText and AppendBinary
  • cmd/go: add support for dealing with flaky tests
  • 🗜️ compress/zstd: implement support for compressing and decompressing
• Blog post: CGO Performance In Go 1.21 by Shane Hansen
• 🛸 Gopher Slack update: #general and #random were temporarily abducted by aliens
• Various Localization issues and proposals
  • Proposal: Localization support in Go & x/text: localization support
  • Proposal: cmd/go: add language localization support to go doc
  • Share your thoughts on #cup-o-go
• [Sponsored] Koyeb new feature alert: Built-in Observability to Monitor Your Apps Performances
• Interview with Peter Seebach aka Seebs
  • GitHub

Thank you to this week's sponsor, Koyeb!

• 🆕 Go 1.21.1 & 1.20.8 released
  • ⚒️ Related: Tool dependencies proposal has been accepted, and here's the design document link. We got you covered ;)
• 🎫 Conference updates
  • 🇮🇳 GopherCon India TOMORROW - shoutout Rishi Chandwani for bringing it to our attention
  • 🇬🇧 Fyne Conf Nov 3rd in the UK, CFP open until Oct 6
• Thoughts on the HashiCorp story from Emily Omier
• Perfectly Reproducible, Verified Go Toolchains
• spec: add untyped builtin zero has been accepted
• Shay's experience at the Israel Go meetup, hosted by Lunar.dev
• Applied Go is going on hiatus until October
• [Sponsored] Koyeb new feature alert: Multi-region Dockerfile support
• Interview with Ohad Maislish about opentf
  • https://www.theiacpodcast.com/
  • https://www.env0.com/
  • https://opentf.org/fork
  • https://blog.gruntwork.io/the-future-of-terraform-must-be-open-ab0b9ba65bca
  • https://www.terratag.io/
  • Contact:
    • [email protected]
    • https://www.linkedin.com/in/ohadmaislish/
    • https://twitter.com/DevOpsOhad

Thank you to this week's sponsor, Koyeb!

• Go 1.21.1 & 1.20.8 coming Sept 6
• Conference updates
  • 🇺🇸 GopherCon in San Diego, California, USA, coming Sept 26-29
  • 📼 GopherCon EU videos are online!
• HashiCorp announced open source licence change
• Proposals:
  • Accepted: net/http: enhanced ServeMux routing
    • Related Reddit discussion: Is the standard library enough for a web backend?
  • ⏱️ Discussion: metrics for the standard library
  • 📂 Declined (for now): io/fs: add writable interfaces
• [Sponsored] Blog post: Deploy and scale high-performance background jobs with Koyeb Workers
• 🤿 log/slog deep dive
  • Blog post: Structured Logging with slog
  • Collection of slog handlers and middlewares: github.com/samber/slog-multi
  • Logrus issue: Add slog compatibility layer
  • Proposal (likely accept): testing/slogtest: support sub-tests

• 🇬🇧 GopherCon UK, Aug 16-18
• 🥳 Go 1.21.0 is released!
  • Smallest release since Go 1.5
  • golangci-lint v1.54.0 released with Go 1.21 support 
• Proposals
  • Accepted: 0️⃣ Untyped zero
  • Accepted (and implemented): Use WithCancelCause for eggrgroup.WithContext
  • Accepted: Experimental range support behind GOEXPERIMENT=range
• New library: concurrent-swiss-map v1.0.0
• Blog post: A linter I really recommend you to use if you're doing SQL in Golang by Piotr Jastrzebski
• Interview with Josh Bleecher Snyder
  • The Bitter Lesson
  • Cursorless

• Go 1.21RC4 is out
• 🪳 CVEs
  • CVE-2023-29409 fixed in Go 1.20.7 & 1.19.12
  • CVE-2023-3978 fixed in golang.org/x/net & golang.org/x/net/html v0.13.0
  • CVE-2023-29407 & CVE-2023-29408 fixed in golang.org/x/image & golang/x/image/tiff v0.10.0
• 🗳️ Go Developer Survey open until August 10
• 🆕 gonew: Experimenting with project templates by Cameron Balahan
• 📘 Have you written a book about Go? Contact Bill Kennedy: [email protected]
• Proposal: time: stop requiring Timer/Ticker.Stop for prompt GC
• Blog post: Zero allocations metrics with opentelemetry-go by Howard John
• Interview
  • Benthos project
  • Benthos community links
  • Ashley Jeffs
    • Twitter
    • LinkedIn
    • GitHub
  • Mihai Todor
    • Twitter
    • LinkedIn
    • GitHub

Today we're joined by guest co-host, Adelina Simion! Adelina works at Form3, co-organizer of Women Who Go, London and London Gophers, and is the author of Test-Driven Development in Go.

• 🛡️ Security updates coming August 1:
  • Go 1.20.7 & 1.19.12
  • golang.org/x/image/tiff
  • golang.org/x/net and golang.org/x/net/html
• Conferences
  • GopherCon Singapore, Nov 2-3
    • CFP open until August 14
  • GopherCon, San Diego Sept 25-28
    • ⚡ Lightning Talk submissions open until August 7
• 💀 New deadcode tool
  • Blog post: Are you maintaining dead code?
• 📚 New Go books
  • Shipping Go by Joel Holmes
  • gRPC Go for Professionals by Clément Jean
• Blog post: 5 Ways to Write a Go Database Model by Paul Boyd
• Ad break
  • Stop by the Women Who Go booth at GopherCon UK, August 16-18
• Interview with Donia Chaiehloudj
  • Follow on Social Media
    • LinkedIn
    • Twitter
  • Upcoming book: Learn Go with Pocket-Sized Projects
    • Jonathan's early-access review

• Go 1.21RC3 released
• 🎉 loopvar fix has been ACCEPTED! Likely to be included in 1.22
• Blog post: Coroutines for Go by Russ Cox
• 🌐 net/http.serveMux routing improvements is now an official proposal
• 0️⃣ New proposal: add an untyped zero
• Echo 4.11.0 released

Join us on Slack at #cup-o-go on the Gophers Slack, and  buy your own Cup o' Go Merch 🛍️!