Privacy Pass: upgrading to the latest protocol version

What this post added

This post details the upgrade of the Privacy Pass protocol to its latest IETF draft version. It introduces new open-source templates for Privacy Pass Origins, Issuers, and Attesters based on Cloudflare Workers, and releases updated browser extensions named 'Silk - Privacy Pass Client'. The post also discusses the deprecation of the Privacy Pass API for configuration and highlights the integration of Privacy Pass as a signal in Cloudflare's Web Application Firewall and Bot Management products, as well as Apple's Private Access Tokens system.