The Data Race That Wasn't a Bug (and the One That Was) — Client.Do can return before net/http has finished reading your request body, so reusing the buffer can trigger a data race. A walk through the transport’s goroutines and why VictoriaMetrics kept one such race but fixed another.

Jesús Espino

Nail Your Complex Go Backend — Adding a feature shouldn't break three other things. Learn advanced backend patterns by building a food delivery platform, by hand or with your coding agent. Enrollment opens in two weeks. Join the waitlist so you don’t miss it!

Three Dots Labs sponsor

Hooking into the Go Toolchain — A deep tour of go build -toolexec for wrapping compiler and linker runs, starting with a simple timer and moving on to rewriting code mid-build, patching importcfg to add new imports, and more.

Kemal Akkoyun

Hacking the Go Compiler to Efficiently Map IPv4 to IPv6 — A small IPv4-to-IPv6 conversion led Vincent through noder hacks, SSA rewrite rules, and compiler pass ordering to close a ~8x performance gap.

Vincent Bernat

Arch-Specific SIMD in Go — A follow-up to the Go team’s look at platform-independent SIMD in Go covering the experimental archsimd package, which now supports arm64 and wasm, plus tips for writing SIMD code that compiles well.

Junyang Shao and David Chase (Go Team)

Don't Couple Your Go Code to GitHub — Is putting github.com in import paths a problem? Iain thinks so, and makes the case for using your own domain instead, but it kicked off a lively debate on Hacker News.

Iain Cambridge

Ship Go Features, Not Data Pipelines — TimescaleDB extends Postgres so your Go service gets fast analytics without a second system. Get $1000 credit.

Tiger Data (creators of TimescaleDB) sponsor

Francis: Durable Actors, Jobs and Workflows for Go — Durable actors, cron jobs, background jobs with retries, rate limiting and saga-style workflows, embedded in your app and backed by SQLite or Postgres, with an optional standalone runtime for larger clusters.

Alessandro Segala

connect-go v2 Arrives with Simpler, gRPC-Go-Style Handlers — Buf's Go RPC library drops its generic request and response wrappers, splits HTTP out from the core, and no longer sends plain Go error messages to clients. There's a migration tool, and v1/v2 can coexist in one module.

Buf

fx 40: Interactive Terminal JSON Viewer and Processor — We've linked fx a few times over the years, but v40 is a huge release: write queries inside the viewer and watch results update as you type, plus XML, HTML, EDN and MAML input, and vim-style commands.

Anton Medvedev