Ethereum Foundation researcher Justin Drake personally aims to make Ethereum quantum-resistant by December 2028, requiring three hard forks after Glamsterdam. While designed to protect the network from future quantum security threats, this target is informal. The official Ethereum Foundation roadmap targets December 2029, with a formal progress review scheduled for January 2027. [1, 2]

If you want to track the official updates on this timeline, I can set up a task to monitor the Ethereum Foundation's scheduled January 2027 review. Let me know if you would like me to follow this.