---
title: "Fly Changelog May 15th 2020"
description: "Fly’s May 15, 2020 changelog records changes to the Fly platform, flyctl, and related websites since the previous update. The main release was a new scaling system based on region pools, accompanied by new scaling commands in flyctl 0.0.122; the earlier autoscale command from version 0.0.121 was removed. The platform also rolled out an HTTP2-only backhaul for traffic between the Fly edge and datacenters, with the changelog reporting improved performance and stability for applications using the http handler. Other entries document new autoscale and regions commands in 0.0.121, consistent naming for flyctl binary artifacts, removal of references to 32-bit Windows and Linux builds during deprecation, and a fix for custom Dockerfile mapping."
---

# Fly Changelog May 15th 2020

[Fly.io](https://yomu.fyi/company/fly-io) · May 15, 2020

**Type:** Announcement

## Summary

Fly’s May 15, 2020 changelog records changes to the Fly platform, flyctl, and related websites since the previous update. The main release was a new scaling system based on region pools, accompanied by new scaling commands in flyctl 0.0.122; the earlier autoscale command from version 0.0.121 was removed. The platform also rolled out an HTTP2-only backhaul for traffic between the Fly edge and datacenters, with the changelog reporting improved performance and stability for applications using the http handler. Other entries document new autoscale and regions commands in 0.0.121, consistent naming for flyctl binary artifacts, removal of references to 32-bit Windows and Linux builds during deprecation, and a fix for custom Dockerfile mapping.

## Context

The changelog lists significant updates to the Fly platform, tooling, and websites since the previous changelog, including changes to scaling and traffic movement between the Fly edge and datacenters.

## Approach / What changed

Fly implemented a scaling system based on region pools, added and revised scaling commands in flyctl, rolled out an HTTP2-only backhaul, standardized flyctl binary artifact names, removed references to 32-bit builds, and corrected custom Dockerfile mapping.

## Takeaways

- flyctl 0.0.122 introduced the new scaling mechanism and scaling commands, while removing the autoscale command from version 0.0.121.
- The Fly platform rolled out an HTTP2-only backhaul between its edge and datacenters; the changelog reports improved performance and stability for applications using the http handler.
- flyctl 0.0.121 added autoscale and regions commands, while version 0.0.118 fixed custom Dockerfile mapping and version 0.0.120 standardized binary artifact naming.

**Tags:** [Autoscaling](https://yomu.fyi/topic/autoscaling), [Fly.io](https://yomu.fyi/topic/fly-io)

- Source: [Fly.io](https://fly.io/blog/fly-changelog-may-15th-2020)
- Source URL: https://fly.io/blog/fly-changelog-may-15th-2020
- Ingested by Yomu: 2026-09-02T11:57:00.252Z

[Read original post](https://fly.io/blog/fly-changelog-may-15th-2020)