本文是对 TacoSprint 2026 活动的回顾与反思。作者以个人视角总结了该活动中的经验教训、团队协作成果以及技术或项目管理上的收获，旨在为未来类似冲刺活动提供改进方向与参考。
Zcash's formal verification efforts have eliminated undetectable counterfeiting bugs from the new Ironwood pool, ruling out such vulnerabilities up to the underlying cryptographic assumptions, as part of Project Tachyon.
Zcash testnet is updating for Ironwood with two independently developed consensus implementations, one by Valar Group (in audit) and another by the Zcash Foundation. Users can try a desktop wallet fork with migration code, and Keystone dev device users can update firmware to test signing 11+ transactions with a single QR code.
Raymond Chen explains a specific type of Control Flow Guard (CFG) check that combines validation and function calling into a single operation, describing how this "combined validate and call" approach works as a two-in-one package within Windows security mechanisms.
Simon Willison's June 2026 sponsors-only newsletter is now available, covering topics such as Claude Fable 5, GPT-5.6, US export restrictions, GLM-5.2, Datasette Apps, and various model releases. The newsletter is accessible to GitHub sponsors, with a $10/month sponsorship option to stay a month ahead of the free copy.