techxiv
Harness design for long-running application development - Harness design for long-running application development
When upserts don’t update but still write: Debugging Postgres performance at scale 
Creating with Sora Safely - When upserts don’t update but still write: Debugging Postgres performance at scale
How Slack Rebuilt Notifications 📣 
Build knowledge agents without embeddings - How we monitor internal coding agents for misalignment
Building a Magic Mirror: AI retail experiences with Remix (2026) - Shopify 
Friend Bubbles: Enhancing Social Discovery on Facebook Reels - 360 billion tokens, 3 million customers, 6 engineers
- Ranking Engineer Agent (REA): The Autonomous AI Agent Accelerating Meta’s Ads Ranking Innovation
How We Rebuilt the Foundations of Component Instances | Figma Blog 
How we optimized Dash's relevance judge with DSPy 
Measuring progress toward AGI: A cognitive framework - How we rebuilt the foundations of component instances
- Why Codex Security Doesn’t Include a SAST Report
- Patch Me If You Can: AI Codemods for Secure-by-Default Android Apps
Continuous AI for accessibility: How GitHub transforms feedback into inclusion - How Notion Workers run untrusted code at scale with Vercel Sandbox