Stacks Testnet Network Stalled at Block 3,990,595

Incident Report for Quicknode

Resolved

This incident has been resolved.
Posted May 22, 2026 - 23:07 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted May 22, 2026 - 22:26 UTC

Identified

The issue has been identified and a fix is being implemented.
Posted May 22, 2026 - 18:52 UTC

Investigating

The Stacks Testnet appears to have stalled at block 3,990,595 - The QuickNode team is investigating and will update with more information once it is available.
Posted May 22, 2026 - 18:21 UTC
This incident affected: Stacks (Testnet — REST API, Testnet — Websockets API).
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