parallel sessions

Claude Code Worktrees (2026): The –worktree Flag, .worktreeinclude, and the Four Isolation Checks

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Two Claude Code sessions on one checkout is a race condition with extra steps. One session builds a feature, the other fixes a bug, and both write to the same files. Parallel sessions need parallel checkouts. A git worktree is a separate working directory with its own files and branch, sharing the repository history and … Read more

Claude Code Agent Teams (2026): What Changed After v2.1.178 and When a Team Beats Subagents

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There are now two ways to run Claude Code work in parallel, and they are easy to confuse. Subagents live inside one session and report a result back. Agent teams are separate Claude Code instances that share a task list and message each other directly. Anthropic ships agent teams as experimental: disabled by default, and … Read more