Rio Upgrade & Hardfork

Scheduled Maintenance Report for Polygon

Completed

The scheduled maintenance has been completed.

Posted Oct 08, 2025 - 14:52 UTC

Update

The scheduled Rio upgrade & related hardfork are now complete.

Posted Oct 08, 2025 - 14:52 UTC

Scheduled

On the 8th of October, at block number #77414656 and approximately 2pm UTC, the Rio upgrade will be deployed to Mainnet.

The Rio upgrade enables the next steps in Polygon’s giga-gas roadmap, continuing to
evolve core architecture for a faster, stronger network built for long-term growth.

There is no user impact expected during this upgrade. Please refer back to this page for further updates.

Posted Oct 06, 2025 - 14:04 UTC

This scheduled maintenance affected: Polygon Mainnet (Mainnet Tendermint API, Mainnet Heimdall API, Mainnet RPC).