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Claude Code Updates Address Security and Connectivity

Recent updates to Claude Code include fixes for worktree-isolated sessions, tool use restrictions, and connectivity issues behind HTTPS proxies.

By Illumora Editorial

Source · Aug 4, 2026, 10:39 PM · On Illumora · Aug 4, 2026, 10:42 PM

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Read the source →Claude Code What's New + releases — Claude Code changelog - Claude Code Docs
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Claude Code has received several updates addressing security, functionality, and connectivity. These changes aim to improve the reliability and isolation of development environments within the platform.

Key Points

  • Worktree-isolated sessions and their subagents now have isolation applied to file edits and Bash in every session type, preventing destructive git commands against the main checkout.
  • PreToolUse auto-allow hooks no longer bypass tool restrictions in background agent tasks such as summaries, compaction, and renames.
  • A fix addresses the /usage-credits display for Team and Enterprise users, allowing members to send new usage credit requests after a previous one was dismissed.
  • The startup connectivity check behind an HTTPS proxy now uses the same proxy-aware transport as API requests and times out with a clear message.
  • "Connection closed mid-response" errors are no longer reported on responses that completed successfully.
  • /usage overattribution to MCP servers has been corrected; a server's share now reflects only requests that consumed its tool results.
  • Sessions now link to pull requests created after the branch was pushed, including those made through the GitHub REST API.

Context

According to the Claude Code changelog, these updates focus on refining the platform's operational integrity and user experience. The fixes address specific scenarios that could impact security, data accuracy, and workflow efficiency for developers.

Why It Matters

These updates are important for developers using Claude Code, as they enhance the security of isolated environments, ensure accurate usage reporting, and improve connectivity reliability. The changes contribute to a more stable and predictable development experience within the platform.

What To Do

  • Review the updated behavior of worktree-isolated sessions to understand the enhanced security measures.
  • Note the corrected /usage-credits functionality if you are a Team or Enterprise user.
  • Observe the improved connectivity check behavior if you operate behind an HTTPS proxy.
  • Confirm that pull requests created via the GitHub REST API are now correctly linked within sessions.