• Coming in Go 1.21
  • Blog post: Planning Go 1.21 Cryptography Work by Filippo Valsorda
  • disallow anonymous interface cycles
  • purego implementation of hash/maphash
• Releases
  • v8go v0.9.0
  • gitea v1.19.0
  • go-github v50.2.0
• Community news
  • Shay Nehmad's make-git-better CTF
  • Go Time podcast
  • chatGPT-plugin-template on GitHub
    • The tweet
    • Daniel Nephin's gotest.tools and gotestsum
  • GitHub Actions and Go by Oleg Kovalov
    • golangci-lint

• golangci-lint 1.52.0 released
• revive 1.3.0 & 1.3.1 released
• fasthttp v1.45.0 released
  • Last week's interview with fasthttp maintainer, Erik Dubbelboer
• Conf42: Golang 2023 last call for CFPs
• Proposal accepted: log/slog: structured, leveled logging
• Proposal: add opt-in transparent telemetry to Go toolchain
• Proposal: notification callback for cancelled/expired contexts
• Proposal: improve ergonomics of fmt.Print-like functions
• PGO will be auto by default in Go 1.21
• Rant
  • Reddit: What "sucks" about Golang?
  • Lies we tell ourselves to keep using Golang
  • I want off Mr. Golang's Wild Ride
  • Jonathan's Video: 10 Things I Hate about Go
• Interview with Tamir Friedman
  • Beyond Go slides
  • GopherJS: Go to JavaScript transpiler
  • otto: JavaScript parser and interpreter written natively in Go
  • v8go
  • kivik: CouchDB client library for Go
  • Go Israel March 2023 meetup

• Go 1.20.2 & 1.19.7 released
  • Go 1.20.2 milestone
  • Go 1.19.7 milestone
• goreleaser v1.16.0 & v1.16.1 released
  • OpenCollective
  • Babel.js
  • Women Who Code
• Proposals
  • Accepted: Add testing.Testing() bool function
  • New: Track tool usage in go.mod
  • New: Opt-in transparent telemetry
• Introducing ngrok-go: Ingress to your Go Apps as a net.Listener
• Code coverage for Go integration tests
• Conferences
  • Finall call for CFP to GopherCon in San Diego
• Erik Dubbelboer
  • On GitHub: https://github.com/erikdubbelboer  
  • fasthttp
  • Amsterdam Golang Meetup

• Opting In to Transparent Telemetry by Russ Cox
• Accepted proposal: net/http: add ResponseController.EnableFullDuplex
• Last call for comments: log/slog: structured, leveled logging
• BadgerDB v4.0.1 released
• dominikbraun/graph v0.16.0 released
• Service Weaver announced by Google
• conc v0.3.0 released
• Technology Trends for 2023 by O'Reilly Media
• Conferences
  • GopherChina, June 9-11
• xc
  • Web site: xcfile.dev
  • On GitHub
• Interview notes
  • Transistor.fm podcast hosting
  • Riverside.fm audio/video recording
  • Audacity open-source audio software
  • Trello
  • Jonathan's other content
    • Daily Go newsletter
    • Boldly Go YouTube channel
    • Tiny DevOps podcast
    • Adventures in DevOps podcast
  • News sources
    • golang-announce Google group
    • Go Proposals review meeting minutes
    • The Go Blog
    • Golang Weekly newsletter
  • Favorite podcasts
    • Ditching Hourly with Jonathan Stark
    • Deep Questions with Cal Newport
    • No Nonsense Agile
    • Hidden Brain
    • Art of Manliness
    • Revolutions

Shay is out this week, so Jonathan is holding down the fort on his own, in this shortest ever episode of Cup o' Go!

• Gin v1.9.0 released
• Labstack Echo v4.10.2 released
• Declined proposal: don't reformat single line if statements
• New proposal: use a zero for third digit for major release, such as 'go1.23.0'
• Active proposal: structured, leveled logging
• Conf42: Golang, online April 20, 2023
  • CFP
• We miss you, Shay!
• Awesome Go

This week's episode sponsored by Keep, an open-source alerting tool built by developers, for developers.

• Security fixes in Go 1.20.1, 1.19.6, golang.org/x/image, and golang.org/x/image/tiff
  • Go 1.20.1 changes
  • Go 1.19.6 changes
  • Labstack Echo v4.10.1
• TinyGo 0.27.0 changes
• Golang Weekly newsletter
• Purego, a library for calling C functions from Go without Cgo.
• Accepted proposal: New standard library package based on x/exp/slices
• Go Blog: All your comparable types by Robert Griesemer
• Go-Redis is now an official Redis client
• plumber v2.1.0
• Reddit discussion: What are the best alternatives to gorilla session?
• FOSDEM'23 talk: Our Mad Journey of Building a Vector Database in Go
• Interview with Daniel Nephin
  • On GitHub
  • gotestsum
  • gotest.tools

Find us at cupogo.dev.

• Pre-release announcement for Go 1.20.1 & 1.19.6 to fix private security issues
• Pre-release announcement for golang.org/x/image/tiff & golang.org/x/image to fix private security issues
• Transparent Telementry
  • GitHub Discussion (now locked)
  • Blog post explaining the problem and proposed solution
• GopherCon Israel
• Apache Arrow 11.0 released
• Matt Topol
  • GitHub profile
  • Voltron Data
  • Book: In-Memory Analytics with Apache Arrow
  • Presentation at SubSurface: Understanding Apache Arrow
  • Presentation at ApacheCon 2022: Apache Arrow and Go: A Match made in Data
  • Apache arrow project web site
  • Apache Go library
  • Follow Matt on Twitter, LinkedIn or Mastodon
  • Matt will be speaking at the free, virtual conference Subsurface on March 1

• The big news this week: Go 1.20 is out!
  • Profile-guided optimization is here
  • context.WithCancelCause is added
• Go 1.18 is no longer supported
• Proposals this week:
  • Accepted: A proposal to improve forward compatibility with go.mod
  • Accepted: A proposal to add a new stdlib package with map utilities
  • Discussion: A proposal to improve reporting of failed table tests
• golangci-lint 1.50.0 and 1.50.1 were released with Go 1.20 support, and improved generics support
• The Gorilla toolkit has been archived and deprecated. R.I.P.
• Check out Sourcegraph's new concurrency library, conc
• Events
  • GopherCon Israel happening tomorrow
  • Conf42 coming up April 20, online
    • CFP open until March 20
• This week's interview:
  • mox by Mechiel Lukkien
  • xkcd 1172: Workflow
  • Video: Code review of mox

January 30, 2023

• Latest official pre-release: 1.20RC3 released Jan 12
• Changes to OS support in 1.20:
  • Final version to support Windows 7, 8, Server 2008, and Server 2012
  • Final version to support macOS 10.13 and 10.14
  • Adds experimental support for FreeBSD/RISC-V
• Proposal accepted: Optionally include file path in output of failed tests
• gotestsum v1.9.0 recently released
• Upcoming conferences
  • FOSDEM Go Devroom in Brussels, February 4.
  • Gophercon EU Diversity Scolarship application form
• Join us on the Gophers slack, channel #cup-o-go
• Fill out the Go Developer Survey
• GoLand 2023.1 Early Access Program
• This week's non-sponsor: Hugo, the world’s fastest framework for building websites
  • Check out our web sites built with hugo: jhall.io, boldlygo.tech, and mrnice.dev
• Today's guest, Miki Tebeka
  • Twitter: @tebeka
  • Go Israel meetup group
  • GopherCon Israel

January 23, 2023

• Latest Go releases: 1.19.5, 1.18.10, released January 10 with a number of mis bugfixes
• Next major release: 1.20, expected in February
  • 1.20 multi-error wrapping
  • 1.20 memory arenas
    • Why Discord Is Switching From Go To Rust
• Go Developer Survey, Jan 2023
• Upcoming Conferences & CFPs
  • GopherCon Israel Expo, February 7 in Tel Aviv
  • GopherCon, September 26-29 in San Diego, California
    • CFP open until March 13
  • GopherCon Europe, June 26-29 in Berlin, Germany
    • CFP open until February 26
• This week's non-Sponsor: PocketBase
• Discussion
  • Jonathan Hall
    • Video: 10 Things I Hate About Go
  • Shay Nehmad
    • Rand's Leadership Slack
    • Reco

Contact us! [email protected]