5 Quick Links for Devs: Week 49, 2025

Brand New Layouts with CSS Subgrid

Josh Comeau explores the new CSS Subgrid feature, which allows developers to "define the grid on a parent and then have deeply nested children snap to that same template" without requiring wrapper elements or display tricks. The article covers practical implementation patterns and current limitations.

Related: Subgrid - CSS - MDN Web Docs

Gemini CLI Tips & Tricks

A collection of composable patterns for working with Gemini CLI, covering planning, command execution, file editing, and integration with git, tests, and filesystem workflows. The post acknowledges Gemini CLI's position relative to other AI tools in the developer space.

The HTTP QUERY Method

A draft specification standardizing a new HTTP method that is "safe and idempotent like GET but lets you send a request body for complex, read-only operations." This addresses current practices where developers use POST to perform query-like operations.

Advent of Code 2025

The annual programming challenge reduces its duration from 25 to 12 days. The event has evolved regarding leaderboard transparency and the use of AI assistance in problem-solving.

Bun Is Joining Anthropic

Bun, a Node.js alternative runtime, has been acquired by Anthropic to support the Claude Code ecosystem. This strategic move ensures continued development while integrating Bun into Anthropic's developer tools initiative.