~golangweekly | Issue 552 - A Go-powered TUI email client (9)

The Draft Go 1.25 Release Notes — We’re still about four months away from the final Go 1.25 release (expected in August) but, as always, the release notes are being worked on in advance and already provide a useful glimpse into what’s coming.

Using Differential Coverage for Debugging — Russ shows how to generate and diff coverage profiles from passing and failing tests to spotlight code unique to the failure. It’s not foolproof, but it can dramatically narrow your debugging search space.

Is Your Go Application's Postgres Prepared for Your Next High Traffic Event? — Do you feel like your Postgres database is a black box? Watch Postgres expert Lukas Fittl walk through the latest pganalyze features to tune slow queries, catch regressions, and keep Postgres running at its best in this on-demand video.

This 150-Line Go Program is a Full-On Load Balancer — A code-heavy walkthrough of a round-robin load balancer built solely with the standard library. It’s not production-ready, but the author offers some recommendations for moving in that direction.

Using the SIGHUP Signal for Configuration Reloads — The OS can send various ‘signals’ to your Go apps and SIGHUP (“signal hangup”) is one of the more interesting ones. Phuong explains its history, what it’s often used for today, and how to catch and handle it.

Firebase Brings Its Genkit AI Framework to Go — Genkit is a framework for building AI-powered apps from Google’s Firebase team, though it can be used independently of Google’s APIs. Originally for Node.js, it’s now in beta for Go too.

Bufstream: Kafka and gRPC for the Modern Age — A drop-in Kafka implementation with up to 8x cost savings over self-managed. See how we do it.

✉️ ListMonk 5.0: Self-Hosted Newsletter & Mailing List Manager — If you don’t want to pay to use a hosted newsletter system, how about a one binary Go solution? v5.0 introduces a visual drag-and-drop email builder and template editor. (Homepage.)

aerc: A Go-Powered Terminal-Based Email Client — Mix a little Pine with a little Vim and tmux and you get this Go-powered email client that supports HTML emails, PGP signing, IMAP/Maildir/SMTP and so on.