---
title: "Fly Changelog 17th April 2020"
description: "This changelog records updates to Fly’s infrastructure, flyctl tooling, and web experience during the week ending 17 April 2020. Version 0.0.116 improves diagnostics for invalid fly.toml files by listing problematic sections and settings, adds Homebrew upgrade instructions to the README, provides basic names for flyctl scale vm sizes, and packages flyctl for Arch Linux through flyctl-bin. On the platform, new applications receive their app.fly.dev certificate “instantly,” while Fly Proxy can serve replacement certificates two weeks before expiration when possible. The site also adds a dedicated ChangeLog page that consolidates recent entries, alongside an RSS feed containing changelog posts. The flyctl changes include contributions from Lars Lehtonen and Simon Willison."
---

# Fly Changelog 17th April 2020

[Fly.io](https://yomu.fyi/company/fly-io) · Apr 17, 2020

**Type:** Announcement

## Summary

This changelog records updates to Fly’s infrastructure, flyctl tooling, and web experience during the week ending 17 April 2020. Version 0.0.116 improves diagnostics for invalid fly.toml files by listing problematic sections and settings, adds Homebrew upgrade instructions to the README, provides basic names for flyctl scale vm sizes, and packages flyctl for Arch Linux through flyctl-bin. On the platform, new applications receive their app.fly.dev certificate “instantly,” while Fly Proxy can serve replacement certificates two weeks before expiration when possible. The site also adds a dedicated ChangeLog page that consolidates recent entries, alongside an RSS feed containing changelog posts. The flyctl changes include contributions from Lars Lehtonen and Simon Willison.

## Context

The changelog covers significant changes to the Fly platform, tooling, and websites, with the past week focused on Fly infrastructure, certificate renewals, and improving the changelog experience.

## Approach / What changed

The release updates flyctl diagnostics, documentation, VM-size help, and Arch Linux packaging, while changing certificate issuance and renewal behavior and adding a dedicated page for recent changelogs.

## Takeaways

- flyctl 0.0.116 identifies invalid fly.toml sections and settings, making configuration errors easier to fix.
- New applications receive their app.fly.dev certificate instantly, and Fly Proxy can serve new certificates two weeks before expiration when possible.
- flyctl is available through the Arch Linux AUR as flyctl-bin, while its README documents Homebrew upgrade instructions.

**Tags:** [Fly](https://yomu.fyi/topic/fly)

- Source: [Fly.io](https://fly.io/blog/fly-changelog-17th-april-2020)
- Source URL: https://fly.io/blog/fly-changelog-17th-april-2020
- Ingested by Yomu: 2026-09-02T11:57:56.289Z

[Read original post](https://fly.io/blog/fly-changelog-17th-april-2020)
