# Austin and Kyoto Have Already Activated — Polygon Labs Says Stale PoS Nodes Must Upgrade Immediately

Still running a Polygon PoS node on a Bor or Heimdall binary that predates August? Your node has already dropped off the canonical chain. This isn't a warning about what might happen. It has happened. That's the unvarnished takeaway from Polygon Labs' advisory, and it deserves a moment's attention,

| Fact | Value |
| --- | --- |
| Published | 30 August 2026 |

Source: https://egamers.io/austin-and-kyoto-have-already-activated-polygon-labs-says-stale-pos-nodes-must-upgrade-immediately/