CI/CD

Posts on CI/CD performance, caching, observability, and shipping faster on GitHub Actions.

pricing landscape

A stack of coins surrounded by icons for a stopwatch, a terminal, a receipt and a falling bar chart.

02 October 2026

Tatu Mäkijärvi

GitHub Actions pricing in 2026 and how to lower your bill

What GitHub Actions costs in 2026: per-minute rates for every hosted runner, how the bill is calculated, and the settings and runner choices that lower it.

01 October 2026

Leo Lännenmäki

iOS and macOS CI benchmark: Avrea is 3-23x faster than GitHub Actions

On GitHub Actions' standard macOS runner, a Firefox for iOS build takes over 12 minutes and on Avrea with a warm cache it takes just under 2 minutes. Mastodon, built with Tuist, goes from 4 minutes 30 seconds to 12 seconds.

Soft lavender 3D illustration of a magnifying glass over a CI workflow, surrounded by logs, metrics, and timing icons.

16 September 2026

Tatu Mäkijärvi

GitHub Actions observability: understanding why your CI is slow

Use GitHub Actions logs, workflow timing, runner metrics, and cache data to investigate slow jobs, flaky tests, and CI delays.