whats-new

---

name: whats-new description: See what's new in AG4 since your installed version

Shows version comparison, changelog entries for missed versions, and update instructions.

Copycat ~/.claude/ag4one/VERSION 2>/dev/null

If VERSION file missing:

Copy## AG4 What's New

**Installed version:** Unknown

Your installation doesn't include version tracking.

**To fix:** `npx ag4one-cc --global`

This will reinstall with version tracking enabled.

STOP here if no VERSION file.

Use WebFetch tool with:

• URL: https://raw.githubusercontent.com/XcluEzy7/ag4one/main/CHANGELOG.md
• Prompt: "Extract all version entries with their dates and changes. Return in Keep-a-Changelog format."

If fetch fails: Fall back to local changelog:

Copycat ~/.claude/ag4one/CHANGELOG.md 2>/dev/null

Note to user: "Couldn't check for updates (offline or GitHub unavailable). Showing local changelog."

1. Extract latest version - First ## [X.Y.Z] line after ## [Unreleased]
2. Compare with installed - From VERSION file
3. Extract entries between - All version sections from latest down to (but not including) installed

Version comparison:

• If installed == latest: "You're on the latest version"
• If installed < latest: Show changes since installed version
• If installed > latest: "You're ahead of latest release (development version?)"

If up to date:

Copy## AG4 What's New

**Installed:** 1.4.26
**Latest:** 1.4.26

You're on the latest version.

[View full changelog](https://github.com/XcluEzy7/ag4one/blob/main/CHANGELOG.md)

If updates available:

Copy## AG4 What's New

**Installed:** 1.4.23
**Latest:** 1.4.26

---

### Changes since your version:

## [1.4.26] - 2026-01-20

### Added
- Feature X
- Feature Y

### Changed
- **BREAKING:** Changed Z behavior

## [1.4.25] - 2026-01-18

### Fixed
- Bug in feature A

---

[View full changelog](https://github.com/XcluEzy7/ag4one/blob/main/CHANGELOG.md)

**To update:** `npx ag4one-cc --global`

Breaking changes: Surface prominently with BREAKING: prefix in the output.

<success_criteria>

• Installed version read from VERSION file
• Remote changelog fetched (or graceful fallback to local)
• Version comparison displayed clearly
• Changes since installed version shown (if any)
• Update instructions provided when behind </success_criteria>