Release Notes for Safari Technology Preview 253
Safari Technology Preview Release 253 is now available for download for macOS Golden Gate and macOS Tahoe.
Topic - Edition
Web
Connection allowlists: Secure your web application's network access
Chrome 152 introduces connection allowlists, a new security mechanism that lets you create a strict network sandbox for your documents and workers.
12 CSS features that can retire your dependencies
🚀 Frontend Focus #759 — September 23, 2026 | Read on the web 🧭 WebKit Features for Safari 27.0 — An epic set of release notes covers Safari 27's enhancements, including its new MCP server (let agents debug your work),…
How Rogo ships agent-written code to production in 5 minutes on Vercel
Rogo builds Felix, an AI agent that generates decks, financial models, and reports for a majority of the world's largest financial institutions. The Rogo team is rearchitecting its internal applications on Vercel, where…
Solid Modeling in your browser
We just shipped support for the ugliest part of HTTP: Vary
The most expensive 33 hours in WordPress history...
Greptile is the only AI code reviewer that actually runs your code. Try it for free: http://greptile.com/go/fireship Automattic's board fired WordPress co-founder Matt Mullenweg while he was at Burning Man... 33 hours…