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release: v3.27.9

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- Update Claude Code releases tracking (v2.1.49 → v2.1.50)
- Cut versioned release for Talk Preparation Pipeline, AGENTS.md research,
  Profile-Based Module Assembly (Section 3.5), ATDD expansion,
  Spec-First Task Granularity, team-config templates, and Mergify case study

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Florian BRUNIAUX 2026-02-21 17:27:32 +01:00
parent 520b8e6fdd
commit 31802b61b1
6 changed files with 18 additions and 16 deletions
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CHANGELOG.md
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@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
## [Unreleased]
## [3.27.9] - 2026-02-21
### Documentation
- **Claude Code Releases**: Updated tracking to v2.1.50

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README.md
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@ -6,7 +6,7 @@
<p align="center">
<a href="https://github.com/FlorianBruniaux/claude-code-ultimate-guide/stargazers"><img src="https://img.shields.io/github/stars/FlorianBruniaux/claude-code-ultimate-guide?style=for-the-badge" alt="Stars"/></a>
<a href="./CHANGELOG.md"><img src="https://img.shields.io/badge/Updated-Feb_20,_2026_·_v3.27.8-brightgreen?style=for-the-badge" alt="Last Update"/></a>
<a href="./CHANGELOG.md"><img src="https://img.shields.io/badge/Updated-Feb_21,_2026_·_v3.27.9-brightgreen?style=for-the-badge" alt="Last Update"/></a>
<a href="./quiz/"><img src="https://img.shields.io/badge/Quiz-274_questions-orange?style=for-the-badge" alt="Quiz"/></a>
<a href="./examples/"><img src="https://img.shields.io/badge/Templates-172-green?style=for-the-badge" alt="Templates"/></a>
<a href="./guide/security-hardening.md"><img src="https://img.shields.io/badge/🛡️_Threat_DB-19_CVEs_·_655_malicious_skills-red?style=for-the-badge" alt="Threat Database"/></a>
@ -775,7 +775,7 @@ See [CONTRIBUTING.md](./CONTRIBUTING.md) for guidelines.
---
*Version 3.27.8 | Updated daily · Feb 20, 2026 | Crafted with Claude*
*Version 3.27.9 | Updated daily · Feb 21, 2026 | Crafted with Claude*
<!-- SEO Keywords -->
<!-- claude code, claude code tutorial, anthropic cli, ai coding assistant, claude code mcp,

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VERSION
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@ -1 +1 @@
3.27.8
3.27.9

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guide/cheatsheet.md
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@ -12,7 +12,7 @@ tags: [cheatsheet, reference]
**Written with**: Claude (Anthropic)
**Version**: 3.27.8 | **Last Updated**: February 2026
**Version**: 3.27.9 | **Last Updated**: February 2026
---
@ -545,4 +545,4 @@ where.exe claude; claude doctor; claude mcp list
**Author**: Florian BRUNIAUX | [@Méthode Aristote](https://methode-aristote.fr) | Written with Claude
*Last updated: February 2026 | Version 3.27.8*
*Last updated: February 2026 | Version 3.27.9*

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guide/ultimate-guide.md
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@ -16,7 +16,7 @@ tags: [guide, reference, workflows, agents, hooks, mcp, security]
**Last updated**: January 2026
**Version**: 3.27.8
**Version**: 3.27.9
---
@ -4354,7 +4354,7 @@ The `.claude/` folder is your project's Claude Code directory for memory, settin
| Personal preferences | `CLAUDE.md` | ❌ Gitignore |
| Personal permissions | `settings.local.json` | ❌ Gitignore |
### 3.27.8 Version Control & Backup
### 3.27.9 Version Control & Backup
**Problem**: Without version control, losing your Claude Code configuration means hours of manual reconfiguration across agents, skills, hooks, and MCP servers.
@ -19976,4 +19976,4 @@ We'll evaluate and add it to this section if it meets quality criteria.
**Contributions**: Issues and PRs welcome.
**Last updated**: January 2026 | **Version**: 3.27.8
**Last updated**: January 2026 | **Version**: 3.27.9

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machine-readable/reference.yaml
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@ -3,7 +3,7 @@
# Source: guide/ultimate-guide.md
# Purpose: Condensed index for LLMs to quickly answer user questions about Claude Code
version: "3.27.8"
version: "3.27.9"
updated: "2026-02-17"
# ════════════════════════════════════════════════════════════════
@ -230,7 +230,7 @@ deep_dive:
third_party_toad: "https://github.com/batrachianai/toad"
third_party_conductor: "https://docs.conductor.build"
# Configuration Management & Backup (Added 2026-02-02)
config_management_guide: "guide/ultimate-guide.md:4085" # Section 3.27.8
config_management_guide: "guide/ultimate-guide.md:4085" # Section 3.27.9
config_hierarchy: "guide/ultimate-guide.md:4095" # Global → Project → Local precedence
config_git_strategy_project: "guide/ultimate-guide.md:4110" # What to commit in .claude/
config_git_strategy_global: "guide/ultimate-guide.md:4133" # Version control ~/.claude/
@ -1258,7 +1258,7 @@ ecosystem:
- "Cross-links modified → Update all 4 repos"
history:
- date: "2026-01-20"
event: "Code Landing sync v3.27.8, 66 templates, cross-links"
event: "Code Landing sync v3.27.9, 66 templates, cross-links"
commit: "5b5ce62"
- date: "2026-01-20"
event: "Cowork Landing fix (paths, README, UI badges)"
@ -1270,7 +1270,7 @@ ecosystem:
onboarding_matrix_meta:
version: "2.0.0"
last_updated: "2026-02-05"
aligned_with_guide: "3.27.8"
aligned_with_guide: "3.27.9"
changelog:
- version: "2.0.0"
date: "2026-02-05"
@ -1298,7 +1298,7 @@ onboarding_matrix:
core: [rules, sandbox_native_guide, commands]
time_budget: "5 min"
topics_max: 3
note: "SECURITY FIRST - sandbox before commands (v3.27.8 critical fix)"
note: "SECURITY FIRST - sandbox before commands (v3.27.9 critical fix)"
beginner_15min:
core: [rules, sandbox_native_guide, workflow, essential_commands]
@ -1383,7 +1383,7 @@ onboarding_matrix:
- default: agent_validation_checklist
time_budget: "60 min"
topics_max: 6
note: "Dual-instance pattern for quality workflows (v3.27.8)"
note: "Dual-instance pattern for quality workflows (v3.27.9)"
learn_security:
intermediate_30min:
@ -1394,7 +1394,7 @@ onboarding_matrix:
- default: permission_modes
time_budget: "30 min"
topics_max: 4
note: "NEW goal (v3.27.8) - Security-focused learning path"
note: "NEW goal (v3.27.9) - Security-focused learning path"
power_60min:
core: [sandbox_native_guide, mcp_secrets_management, security_hardening]
@ -1419,7 +1419,7 @@ onboarding_matrix:
core: [rules, sandbox_native_guide, workflow, essential_commands, context_management, plan_mode]
time_budget: "60 min"
topics_max: 6
note: "Security foundation + core workflow (v3.27.8 sandbox added)"
note: "Security foundation + core workflow (v3.27.9 sandbox added)"
intermediate_120min:
core: [plan_mode, agents, skills, config_hierarchy, git_mcp_guide, hooks, mcp_servers]