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Claude Code Updates Include Gateway Sign-In and Telemetry Warnings

Recent updates to Claude Code introduce new features such as signed-in account confirmation for gateway access, a send-now key for message queuing, and a startup warning for telemetry failures.

By Illumora Editorial

Source · Sep 18, 2026, 2:12 AM · On Illumora · Sep 18, 2026, 2:17 AM

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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 updates detailed in its changelog. These changes include new features, improvements, and bug fixes, with a specific regression fix noted for version 2.1.275.

Key Points

  • Claude Code now supports signed-in account confirmation when accessing through a gateway, requiring user confirmation before credential saving.
  • A new send-now key (ctrl+enter or ctrl+x ctrl+s) allows users to interrupt the current turn and send all queued messages immediately.
  • Queued and sent messages are displayed in gray until the model receives them.
  • A startup warning has been added for instances where a configured otelHeadersHelper fails, addressing sessions that silently export no telemetry.
  • The system now syncs skills and plugins enabled on a user's claude.ai account to terminal sessions, with an opt-out option via syncClaudeAiSkills: false or syncClaudeAiPlugins: false.
  • A new command, /plugin install <plugin> --marketplace <source>, facilitates adding a marketplace before plugin installation.
  • A regression in version 2.1.275 that caused every request to fail with a 400 error when ANTHROPIC_BASE_URL pointed at a proxy or gateway has been fixed.

Context

According to the Claude Code changelog, these updates aim to enhance user experience and system reliability. The documentation index can be fetched at /docs/llms.txt to discover available pages before further exploration.

Why It Matters

These updates provide builders with improved control over their Claude Code environment, offering clearer feedback on system status and more robust integration with claude.ai accounts. The fixes address critical operational issues, ensuring more stable interactions with the platform.

What To Do

  • Note the new send-now key (ctrl+enter or ctrl+x ctrl+s) for managing message queues.
  • Review the documentation for /plugin install to understand new plugin installation options.
  • Check the status of ANTHROPIC_BASE_URL if encountering 400 errors, especially after the 2.1.275 regression fix.
  • If using otelHeadersHelper, watch for startup warnings indicating telemetry export issues.