Claude AI Essentials · Reid Weston

Claude Code Made Simple: updates

Claude Code changes fast. This page lists every change that affects a page in the book, and what to do instead.

Your book: December 2026 Edition, checked with Claude Code 2.1.299 on October 14, 2026. Each chapter shows the version it was checked with under its title. If yours is newer, look for your chapter below.

Changes since printing

No changes yet. Every step in the book still matches Claude Code as it was checked. If your screen looks different, check back here, or read the chapter's If your result looks different box.

How to read an entry

Each entry names the chapter and page it affects, the date and Claude Code version where the change was seen, what changed, and what to do instead. The newest entries are at the top.

Companion files

The starter folders for every project are at https://github.com/reid-weston/claude-code-made-simple. Chapter 2 shows how to download them.