Cup o' Go

• 🗺️ Accepted proposal: add maps.Grow
• 🇪🇪 IVXV online voting system
  • Reddit thread
• 🐧 Protecting against CVE-2026-98432
• 🌩️ Lightning round
  • agent-manager
  • tinygo 0.44.0 released

• Do the 2026 Go Developer Survey, and tell them Cup o' Go sent you!
• Go 1.27.3 and Go 1.26.10 are released due to eMudhra Intermediate CA Compromise
• Interview with Ainsley Clark
  • AinsleyClark.com
  • templ

• Proposals
  • Accepted: support for acme profiles
  • New: crypto/tls: Profiles
• Blog: Always Active: Faking Microsoft Teams Green Status in Go
• Interview with Daniela Petruzalek
  • LinkedIn
  • Blog: danicat.dev
  • Ebitengine
  • Golab, Nov 1-3, Bologna, Italy

Seems like more than one!
Visit cupogo.dev for all the things.

This week:

• Go 1.27.2 and Go 1.26.9 are released
• Accepted: add cgo without a C toolchain as a GOEXPERIMENT (and the original one)
• Accepted: deprecate DNSConfigError
• Lightning round:
  • Job with Dave! 
  • Update on past news: "proposal: spec: allow explicit conversion from function to 1-method interface" Declined 

Recorded as part of GoSF. Thanks Bill for co-hosting, and Antithesis for hosting!

• 🇯🇵 GopherCon Japan
• 🪝 Guest Posts: Hooking into the Go Toolchain
• 🦙 go-llama

Thanks for listening! Find all the things at cupogo.dev.

• Meetups roundup:
  • 🇮🇹 GoLab
  • 🇺🇸🌁 GoSF
  • 🇯🇵 TinyGo 2026
  • 🇮🇱 Gophercon Israel Cancelled :(
• Blogoverse deep dives
  • Data races and the limits of ThreadSanitizer in C and Go
  • cloudx-io/setup-go
• Lightning round
  • Ebitengine v2.10.0 Released
  • Zeno Rocha on X on Render's Go re-write
  • Fyne Conf 2026:1b When Applications Design Themslves

• golang.org/x/tools v0.50.0 released
  • Blog: Finding unreachable functions with deadcode by Alan Donovan
• Russ Cox leaves google, and opines on LLMs for debugging
• Coding agent guidelines for modern Go
• Jonathan's new podcast: Better Than Vibes
• Interview with Ron Evans
  • TinyGo
  • Yzma
  • Oxide
  • The Citizen Developer
  • awesome-tinygo
  • kronk
  • TinyGo Conference 2026
  • GoLab
  • Go Education Project
  • Charm

• Conferences and Meetups
  • Fyne Conf 2026 @ Eindhoven, NL, Sept 11
  • West/Central African Gophers Meetup, Sept 31 Online
  • GopherCon Africa 2026 @ Nairobi, Kenya, Oct 15-17
• Releases
  • Go 1.27.1 and Go 1.26.8
    • Reddit discussion
  • golang.org/x/crypto v0.56.0
  • TinyGo 0.42
  • gopherlint 1.27.1
• Accepted proposal: net/http.MethodQuery constant
• Blog: twice as fast or 1.5x slower? Go 1.27 encoding/json/v2

In which Jonathan and Shay dig through the top highlights of Go's new release, Go 1.27!

• Release notes
• Interactive release notes
• "If you use this package, you will go straight to hell."

Visit cupogo.dev for our website which has various hyperlinks to other websites and is made of mostly 1s and 0s.