Scheduled: Polygon Mainnet - Upgrade Bor to v2.5.9

Scheduled Maintenance Report for Quicknode

Completed

The scheduled maintenance has been completed.

Posted Feb 18, 2026 - 06:15 UTC

In progress

Scheduled maintenance is currently in progress. We will provide updates as necessary.

Posted Feb 18, 2026 - 04:15 UTC

Scheduled

Scheduled maintenance will be performed during the maintenance window to upgrade the Bor client on Polygon Mainnet.

**Client Updates:**
• bor: Upgrading to v2.5.9

**Release Notes Summary:**
Maintenance release for security vulnerabilities, which is encouraged to upgrade by the Polygon Foundation.

**Additional Information:**
• Full release notes: https://github.com/0xPolygon/bor/releases/tag/v2.5.9

Posted Feb 18, 2026 - 04:14 UTC