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9 postsPython library verifies OpenAI's signed AI agent traffic (RFC 9421)
regent-httpsig is an open-source Python library that verifies and signs OpenAI-style AI agent HTTP traffic per RFC 9421 and Web Bot Auth drafts.
Spectre Flaw Leaks JWT Tokens on Cloudflare Workers via Remote Timers
A new Spectre attack bypasses Cloudflare Workers' DyPrIs defense, leaking JWT tokens via microarchitectural timers; Cloudflare responded with MPK-based isolation.
JavaScript Error Disabled Server Rendering on 190 Pages
Google reported soft 404 errors on 190 pages due to a JavaScript issue. An overview of the problem and its solution.
WebAuthn Level 3: New Features for Passkeys
WebAuthn Level 3 introduces passkey support and improved usability for developers.
Building in the Cloud with Codex, Safely
Explore safe cloud coding with Codex. Learn about AGENTS.md and isolated working environments.
Enhancing Postgres Performance with Row-Level Security
Tips for resolving performance issues in Postgres using Row-Level Security (RLS).
Shape of System Structure: Engineering for Bounded Cognition
An exploration of the importance of system structure in engineering and strategies for bounded cognition.
AWS Powers PyPI and the PSF
AWS supports the infrastructure of the Python Software Foundation's PyPI and services. Spending increased by 69% in 2026.
Two Memory Management Optimizations in Linux 7.3
Linux 7.3 memory management updates bring performance enhancements. Key changes in zs_free() and rmap_walk_ksm() functions are noteworthy.