~golangweekly | Issue 540 - A continued focus on the benefits of Go 1.24 (8)

Maddy 0.8: A Composable All-in-One Mail Server — Can work as an MTA, accept messages via SMTP, store messages and even provide access to them over IMAP. v0.8 requires Go 1.23+ but adds support for HAProxy’s PROXY protocol and handling DNS-01 challenge records.

Go 1.24's go tool is One of the Best Additions in Years — Go 1.24 isn’t even fully here yet (though rc2 is out) and people are already very excited. One major enhancement is the new go tool command and tool directive in go.mod, which simplifies handling dependencies for dev-time tooling and improves performance by caching runs and reducing dependency bloat.

Keep Your Apps Fast and Error-Free with Honeybadger — Honeybadger helps you fix errors, eliminate performance bottlenecks, and dig into the details faster than ever before. With support for Go, Ruby, and 8 other languages, it’s the best way to gain real-time insights into your application’s health and performance.

Proposal: A Way to Reduce Error Handling Boilerplate with ? — A proposal to streamline error handling using a ? operator. This new syntax could reduce boilerplate by optionally handling errors and returning early or executing an error handling block.

Maps are Faster in Go 1.24 — It’s thanks to so-called Swiss Tables and you don’t need to make any changes to benefit from the new implementation. Just upgrading to Go 1.24 will unlock the gains.

Go Slices: Shared Memory and append() Pitfalls — A look at some potential tripping points in Go when it comes to working with slices and sub-slices. Rob Pike’s 2013 post on the official Go blog is also a great resource on this topic.

Centrifugo v6: A Scalable Real-Time Messaging Server — Imagine an open source, self-hosted equivalent to Pubnub or Pusher for passing messages to users of real-time apps over WebSocket, HTTP streaming, SSE, and more. It’s language agnostic, but written in Go. GitHub repo.

Protect Against Bots, Fraud, and Abuse in Real Time — With WorkOS Radar you can detect, verify and block harmful behaviour, protecting your app with advanced device fingerprinting. Stop fake signups, stop free tier abuse, and stop bot attacks and brute force attempts today.