http://www.heyuan110.com/tags/release-notes/Recent content in Release Notes on Bruce on AI EngineeringHugoenSun, 22 Feb 2026 10:00:00 +0800http://www.heyuan110.com/posts/ai/2026-02-22-claude-code-february-updates/Sun, 22 Feb 2026 10:00:00 +0800http://www.heyuan110.com/posts/ai/2026-02-22-claude-code-february-updates/<p>Claude Code released over a dozen versions in February 2026 (v2.1.39 through v2.1.50), introducing several features that fundamentally change how you work. This article covers the most important updates, explains how to use each one, and highlights the practical scenarios where they shine.</p> <h2 id="git-worktree-support-the-biggest-workflow-upgrade">Git Worktree Support: The Biggest Workflow Upgrade<a href="#git-worktree-support-the-biggest-workflow-upgrade" class="anchor" aria-hidden="true"><svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"> <path d="M15 7h3a5 5 0 0 1 5 5 5 5 0 0 1-5 5h-3m-6 0H6a5 5 0 0 1-5-5 5 5 0 0 1 5-5h3"></path> <line x1="8" y1="12" x2="16" y2="12"></line> </svg></a></h2> <p>This is the headline feature of February, shipped in v2.1.49. It brings Git&rsquo;s worktree capability directly into Claude Code, making parallel development remarkably simple.</p>