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Outage in GitHub

Degraded Codespaces experience

Minor
March 12, 2026 - Started about 6 hours ago
Official incident page

Incident Report

We are investigating reports of degraded performance for Codespaces
Components affected
GitHub Codespaces

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Latest Updates ( sorted recent to last )
INVESTIGATING 37 minutes ago - at 03/12/2026 05:59PM

Codespaces IPs are no longer being blocked from Visual Studio Marketplace operations and we are monitoring for full recovery

INVESTIGATING about 1 hour ago - at 03/12/2026 05:20PM

We're seeing intermittent failures downloading from the extension marketplace from codespaces, caused by IP blocks for some codespaces. We're working to remove those blocks.

INVESTIGATING about 2 hours ago - at 03/12/2026 04:09PM

We're seeing intermittent failures downloading from the extension marketplace from codespaces and are investigating.

INVESTIGATING about 3 hours ago - at 03/12/2026 03:08PM

We're seeing partial recovery for the issue affecting extension installation in newly created Codespaces. Some users may still experience degraded functionality where extensions hit errors. The team continues to investigate the root cause while monitoring the recovery.

INVESTIGATING about 4 hours ago - at 03/12/2026 02:29PM

We have deployed a fix for the issue affecting extension installation in newly created Codespaces. New Codespaces are now being created with working extensions. We'll post another update by 15:30 UTC.

INVESTIGATING about 5 hours ago - at 03/12/2026 01:50PM

We are continuing to investigate an issue where extensions fail to install in newly created Codespaces. Users can create and access Codespaces, but extensions will not be operational, resulting in a degraded experience. The team is working on a fix. All newly created Codespaces are affected. We'll post another update by 15:00 UTC.

INVESTIGATING about 6 hours ago - at 03/12/2026 01:07PM

We're investigating an issue where extensions fail to install in newly created Codespaces. Users can still create and access Codespaces, but extensions will not be operational, resulting in a degraded development experience. Our team is actively working to identify and resolve the root cause. We'll post another update by 14:00 UTC.

INVESTIGATING about 6 hours ago - at 03/12/2026 01:06PM

We are investigating reports of degraded performance for Codespaces

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