Tagged Fundamentals

The BriefJul 8, 2026

The Brief #26.28 · Sonnet 5, Fable 5, GPT-5.6, ECMAScript 2026, Chrome 150 CSS

Anthropic ships Sonnet 5 and extends Fable 5 to July 12, OpenAI takes GPT-5.6 public, Ecma approves ECMAScript 2026, Chrome 150 lands a real CSS batch, and WebKit gives agents an MCP server for Safari.

The Senior EyeJul 6, 2026

A Date Is Not a Day

Build an event-time component with Temporal and learn why "the same calendar day" is a different question in every time zone, and why an instant, a calendar date, and a duration are different review questions.