Plus an even stricter `gofmt`, GoLand's newest EAP, and a fast set of B-tree-based collection types.

#​601 — May 15, 2026

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Together with  Depot

Go Weekly

'Go Fuzzing Was Missing Half the Toolkit: We Forked the Toolchain to Fix It'Go’s fuzzer lags the LibAFL-class tools Rust and C++ devs take for granted. Enter gosentry: a fork of the Go toolchain that runs testing.F harnesses on a LibAFL engine, adding struct-aware and grammar-based fuzzing, race and goroutine-leak detection. Together these surface bug classes the native fuzzer can miss.

Kevin Valerio (Trail of Bits)

From 8 Seconds to Under 1: How Depot CI Boots Fast — No warm pools, no pre-warming. Depot CI's microVMs start just-in-time, so cold boot speed is everything. The full optimization story: custom kernel, replacing systemd, ditching cloud-init, and tuning huge pages to get from 8 seconds to under 800ms.

Depot sponsor

How Cilium Hardens Its Go Supply Chain End to End — Vendoring every Go module is just one of a dozen controls in Cilium’s GitHub Actions and supply chain playbook, from gating PR triggers to signing releases, with an honest list of the gaps they haven’t closed yet.

André Martins and Feroz Salam (Cilium)

📊 The GoLand 2026.2 Early Access Program — The commercial Go IDE focuses on performance, pulling perf work out of separate tools and into the IDE, like built-in profiler visualization and analysis, escape analysis, a struct layout optimizer, and real-time CPU/memory usage monitoring.

Artem Pronichev (JetBrains)

💡 EAP builds are free to use for 30 days over the EAP cycle, so you can daily drive it for free until the beta.

btype: Fast B-Tree-Based Collection Types — From the creator of GJSON comes a new library offering B-tree-based collection types (including maps, sets, tables, queues, and stacks) that’s faster than existing B-tree implementations in Go, Rust, and C++.

Josh Baker

Building a Distributed Search Engine in Pure Go — Multi-Raft consensus, SIMD-accelerated vectors (via go-highway), and ML inference (via gomlx) without leaving the Go toolchain.

Antfly

📄 A Deep Dive Into How Your Go Code Becomes a Binary“This is a really long deep dive.” Gabor Koos

🛠 Code & Tools

🔎 gofumpt 0.10: An Even Stricter gofmt — If gofmt doesn't go far enough for you, gofumpt (which can be run as a drop-in replacement for gofmt) has even more rules to keep your codebase under control. v0.10 is based on Go 1.26’s gofmt and adds… yes, even more rules.

Daniel Martí

58ms to Fork a Database. 0ms to Clean It Upghost gives your agent its own Postgres fork per task. No cleanup, no shared state, no project limits. Try for free.

ghost sponsor

go-app 11.0: Build Progressive Web Apps with Go and WebAssembly — A framework for building Go-powered PWAs that uses Go’s standard http approach for the backend and adds a declarative syntax so you can write component-based UIs in Go itself.

Maxence Charrière

🎵 lofimusic.app is mentioned as an example of a site built on go-app.

grdpwasm: A Go WASM-Powered RDP Client for the Web — A browser-based implementation of an RDP (Microsoft's Remote Desktop Protocol) client in Go that's compiled to WebAssembly.

Hajime Nakagami

  • graphql-go v1.10.0 – GraphQL library now implementing the official GraphQL September 2025 spec.

  • Dasel 3.10 – CLI tool and Go library for working with JSON, YAML, TOML, XML, CSV, HCL, and INI files.

  • 🖼️ Native WebP for Go 1.3 – Go-based native WebP encoder with no libwebp dependency.

  • urfave/cli 3.9 – Popular package for building command line tools in a declarative fashion.

  • Caddy Defender 0.10.1Caddy module to block or manipulate requests originating from AIs or cloud services.

  • 🔒 Lego 5.0 – Let's Encrypt client and ACME library. There are more details in this blog post.

  • Ark 0.8 – Archetype-based Entity Component System (ECS) for Go.

  • wgpu v0.28.0 – Pure Go WebGPU Implementation.

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