Outage in Fly.io

General Network Issues with IPv6

Resolved Minor
November 29, 2025 - Started about 7 hours ago - Lasted about 1 hour
Official incident page

Incident Report

We are currently investigating issues with some apps on IPv6.

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Latest Updates ( sorted recent to last )
RESOLVED about 6 hours ago - at 11/29/2025 06:23PM

This incident has been resolved. It was caused by a recent `flyctl` update and only apps deployed with flyctl version v0.3.227 were affected. We have deployed a server-side workaround.

MONITORING about 6 hours ago - at 11/29/2025 05:52PM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 7 hours ago - at 11/29/2025 05:44PM

We will be rolling out a fix shortly

IDENTIFIED about 7 hours ago - at 11/29/2025 05:32PM

We have identified an issue affecting newly-allocated Anycast ingress IPv6 addresses for some apps and are working to deploy a fix. These apps may experience timeouts when connecting over IPv6 (which some clients default to).

INVESTIGATING about 7 hours ago - at 11/29/2025 05:20PM

We are currently investigating issues with some apps on IPv6.

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