[Polygon Mainnet] Heimdall Hardfork

Scheduled Maintenance Report for Alchemy

Completed

The scheduled maintenance has been completed.
Posted Dec 17, 2025 - 00:45 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.
Posted Dec 16, 2025 - 23:45 UTC

Scheduled

Polygon will be performing a scheduled Heimdall hardfork upgrade on the Polygon PoS Mainnet. No service downtime or network unavailability is expected during this maintenance window.

The exact countdown to the hardfork can be monitored in real time via the Polygon Validator Dashboard:
https://dashboard.polygon.technology/stats
Posted Dec 16, 2025 - 21:44 UTC
This scheduled maintenance affected: Polygon.
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