By bradfeld
Cross-reference Claude Code release notes against your config file to identify changes requiring action, discover relevant new features, and apply vetted config edits without reading the full changelog.
A Claude Code plugin that cross-references release notes against your personal config to surface what actually matters to you.
Instead of reading through every changelog entry, /whats-new scans your ~/.claude/settings.json, hooks, rules, skills, commands, and plugins, then classifies each release note into:
Each potential impact is then verified with concrete tool calls (grep, file checks, platform detection) before it lands in the final report. Items that the verification proves don't actually affect your config are demoted to General — so the "Impacts Your Config" section only contains things you've confirmed apply to your setup.
Step 1: Add the marketplace
claude plugins marketplace add https://github.com/bradfeld/whats-new-plugin.git
Step 2: Install the plugin
claude plugins install whats-new
Then restart Claude Code to load the new command.
/whats-new Analyze all releases since last reviewed
/whats-new 2.1.83 Analyze a specific version
/whats-new ? Show help
Running /whats-new with no arguments checks all releases since the last time you ran it. It tracks the last-reviewed version in ~/.claude/whats-new-last-version.txt.
On first run (no tracking file), it defaults to the last 5 releases.
Running /whats-new 2.1.83 analyzes just that version. This mode does not update the tracking file.
In the default (since-last-review) mode, after the report /whats-new turns the actionable findings into concrete config edits. Every candidate is independently fresh-eyes-reviewed before you see it — a separate reviewer vets each proposed edit (revising or flagging it), and the verdict is folded into the list. It then presents the vetted changes as a numbered list — each with the literal change, a plain-language explanation, and the review's verdict (clean / revised / ⚠ recommends-against) — and waits:
Reply with numbers to apply ("1 3"), "all", or "none".
Nothing is applied without your explicit pick. Every applied change is validated (jq / bash -n) and logged to ~/.claude/whats-new-applied.md — a cumulative record of how your config has evolved release-over-release. Specific-version runs are inspect-only and never modify config.
The plugin inventories your Claude Code configuration:
| Config Type | Source |
|---|---|
| Hooks | settings.json hooks + ~/.claude/hooks/*.sh on disk |
| Env vars | settings.json env keys |
| Rules | ~/.claude/rules/*.md + project .claude/rules/*.md |
| Skills | ~/.claude/skills/ directories |
| Commands | ~/.claude/commands/*.md + project .claude/commands/*.md |
| Plugins | settings.json enabledPlugins |
| Other settings | outputStyle, statusLine, permissions, etc. |
It then cross-references this inventory against release notes fetched from the Claude Code GitHub releases.
MIT
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