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Claude Code Changelog\n\n[![Status](https://status.marckrenn.dev/api/badge/3/status)](https://status.marckrenn.dev/status/claudecodechangelog)\n[![Uptime](https://status.marckrenn.dev/api/badge/3/uptime)](https://status.marckrenn.dev/status/claudecodechangelog)\n\n\u003e [!NOTE]\n\u003e This archive takes some time and money (server, tokens) to run.\n\u003e\n\u003e I’d appreciate any support – a free follow on X or chipping in a few bucks.\n\u003e\n\u003e [![Follow on X](https://img.shields.io/badge/Follow-%40ClaudeCodeLog-000000?logo=x\u0026logoColor=white)](https://x.com/ClaudeCodeLog)\n\u003e [![GitHub Sponsors](https://img.shields.io/badge/GitHub-Sponsors-EA4AAA?logo=githubsponsors\u0026logoColor=white)](https://github.com/sponsors/marckrenn)\n\u003e [![Buy Me a Coffee](https://img.shields.io/badge/Buy%20Me%20a%20Coffee-FFDD00?logo=buymeacoffee\u0026logoColor=000000)](https://buymeacoffee.com/marckrenn)\n\nUnofficial, community-maintained tracking of [Claude Code](https://docs.anthropic.com/en/docs/claude-code) prompt and feature-flag evolution across releases.\n\n## What's Tracked\n\n- `cc-prompt.md` – legacy compatibility file per tag\n- `cc-flags.md` – legacy compatibility file per tag\n- `system-prompts/*.md` – extracted prompt artifacts grouped by category (see [indeces](indices/))\n- `meta/flags.md`, `meta/metadata.md`, `meta/cli-surface.md`, `meta/prompt-stats.md` – derived metadata\n- annotated tags (`vX.Y.Z`) and GitHub releases for historical navigation\n\n## How to Read This Repository\n\n1. Pick two tags and open compare view:\n   - `https://github.com/marckrenn/claude-code-changelog/compare/v2.1.44...v2.1.45#files_bucket`\n2. Use `system-prompts/` for per-file prompt artifacts.\n3. Use `meta/` for structured summaries and aggregate metrics.\n4. Use `Init` / `Last edit` columns as lifecycle hints for each prompt artifact.\n5. For deep full-history research, point a coding agent at this repo directly. GitHub Copilot on github.com is currently limited for broad historical search/analysis.\n\n## Data Quality \u0026 Interpretation Notes\n\n- Token totals and per-file counts are estimates.\n- Tokenization can vary by model/tokenizer/runtime; small differences are expected.\n- Aggregate totals are useful directional signals.\n- Estimated LOC is derived from a prettified bundle line count and is only an approximation.\n- Prompt files can contain near-duplicates or intentionally duplicated variants.\n- File names can change across versions (renames/splits/merges), even when content lineage continues.\n- A single conceptual prompt can appear under multiple files in some releases.\n- Compare statistical deltas with raw diffs before drawing strong conclusions.\n\n## What Powers [@ClaudeCodeLog](https://x.com/ClaudeCodeLog)\n\nThis repo is the backbone of the [@ClaudeCodeLog](https://x.com/ClaudeCodeLog) X account, which automatically:\n\n1. Detects new Claude Code releases\n2. Extracts prompts and feature flags\n3. Generates structured diff summaries\n4. Publishes threaded updates with focused diff links and screenshots\n\n## Credits \u0026 Inspiration\n\n- [Piebald-AI/claude-code-system-prompts](https://github.com/Piebald-AI/claude-code-system-prompts) – inspiration for full prompt tracking\n- [cchistory](https://github.com/badlogic/cchistory) – prompt extraction foundation\n- [How cchistory works](https://mariozechner.at/posts/2025-08-03-cchistory/) – technical deep-dive\n- [Claude Code Documentation](https://docs.anthropic.com/en/docs/claude-code)\n- [Claude Code on npm](https://www.npmjs.com/package/@anthropic-ai/claude-code)\n\n\u003c!-- SYSTEM_PROMPTS_INDEX_START --\u003e\n## System Prompts Index\n\n- Total prompt files: **81**\n- [By tokens](indices/system-prompts-by-token.md)\n- [By init (newest first)](indices/system-prompts-by-init.md)\n- [By last edit (newest first)](indices/system-prompts-by-last-edit.md)\n\u003c!-- SYSTEM_PROMPTS_INDEX_END --\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmarckrenn%2Fclaude-code-changelog","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmarckrenn%2Fclaude-code-changelog","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmarckrenn%2Fclaude-code-changelog/lists"}