@dangoodin PQ folks on Cloudflare's research team are: https://www.linkedin.com/posts/baswesterbaan_chrome-shares-their-plans-for-post-quantum-activity-7433210578799816704-lRl5
Keeping the Internet fast and secure- introducing Merkle Tree Certificates
Cloudflare is launching an experiment with Chrome to evaluate fast, scalable, and quantum-ready Merkle Tree Certificates, all without degrading performance or changing WebPKI trust relationships.
The Cloudflare Blog (blog.cloudflare.com)