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This week's Claude Code updates, paste-and-go

Claude Code shipped versions 2.1.207 through 2.1.212 the week of July 13, 2026. Five updates matter: the /fork command, the long-session speed fix, a web search cap, filesystem sandbox controls, and progress heartbeats.

Don't just read about them. Copy the prompt below, paste it into Claude Code, and hit enter. Your Claude checks your version, walks each update, and saves them to its memory so it uses them in your future sessions without you asking.

I want you to integrate this week's Claude Code updates (v2.1.207 through v2.1.212, shipped July 13-17, 2026) into how you work with me from now on. Do the following, in order:

1. Run `claude --version` in this session's environment if you can, or tell me how to check. If I'm below 2.1.212, give me the exact update command for my setup and wait for me to run it.

2. Review these 5 updates and confirm you understand each one:
   - /fork: copies the current session into a background session that keeps working independently, while I keep working in the original with the same context. The old in-session fork behavior is now /subtask.
   - Long-session performance fix: the slowdown where big sessions stalled multiple seconds per message is fixed. Long sessions are fine to run all day now.
   - Web search session cap: WebSearch calls are capped at 200 per session by default so runaway search loops can't burn my usage. Tunable via the CLAUDE_CODE_MAX_WEB_SEARCHES_PER_SESSION environment variable.
   - Filesystem sandbox controls: the sandbox.filesystem settings control what you can touch on my machine, separate from network access.
   - Progress heartbeats: long-running tasks now show a live pulse so I know you're working and not frozen.

3. Save this to your persistent memory (or my CLAUDE.md if that's where you keep durable instructions) so it carries into every future session:
   - When I give you a long task and keep chatting, suggest /fork so the long task runs in the background instead of blocking me.
   - Don't avoid long sessions for performance reasons anymore. That problem is fixed.
   - If I do heavy research sessions, remind me the web search cap exists and how to raise it.
   - If we ever work on sensitive or client files, ask me whether to review the filesystem sandbox settings first.

4. Reply with a short confirmation of what you saved and one sentence on which of these 5 will help my specific workflow most, based on what you know about how I work.

That's it. Your Claude now works like it's July 2026, not whenever you last read a changelog.

I do this every week: new Claude Code drop, broken down and turned into a paste-and-go setup within days of shipping. Follow @billenri.md on Instagram to catch the next one. And if you want AI systems like this built for your business, that's what I do.