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Claude Code Updates Keybinding, Plugin Marketplaces, and Self-Hosted Runner Features

Recent updates to Claude Code include a new keybinding setting, enhanced plugin marketplace functionality, and additional options for the self-hosted runner.

By Illumora Editorial

Source · Aug 20, 2026, 8:33 PM · On Illumora · Aug 20, 2026, 8:37 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, introducing new features and addressing existing issues. These changes encompass user interface customization, plugin management, and self-hosted runner configurations.

Key Points

  • A new keybindingFlavor setting allows users to set it to "readline" for Ctrl+W to delete back to the previous whitespace, similar to Bash.
  • The default keybindingFlavor remains "classic".
  • Plugin marketplaces now include a headersHelper feature on URL marketplaces or catalog entries, which runs a command to mint HTTP headers for catalog and same-origin archive fetches.
  • A catalog entry's headersHelper executes during plugin installation or updates, after its command is displayed.
  • The claude plugin install/update commands prompt for confirmation (y/N) unless the -y flag is passed.
  • The claude self-hosted-runner command now includes a --defer-shutdown-max-min <minutes> option, which keeps serving attached sessions on SIGTERM and then parks remaining sessions after the specified minutes before exiting.
  • The claude self-hosted-runner also gained --proxy-authorization-command and --proxy-authorization-file options for egress proxies requiring a freshly issued Proxy-Authorization header per connection.

Context

According to the Claude Code changelog, these updates aim to refine the user experience and expand the capabilities for developers working with the platform. The changes address both interactive session behavior and backend infrastructure requirements.

Why It Matters

These updates provide developers with more control over their Claude Code environment, from customizing keybindings for efficiency to managing plugin security and configuring self-hosted runners for specific network requirements. The fixes for memory growth and output style consistency contribute to a more stable development experience.

What To Do

  • Review the keybindingFlavor setting to determine if the "readline" option improves your prompt interaction.
  • For plugin developers, note the new headersHelper functionality for managing HTTP headers in marketplaces.
  • Self-hosted runner administrators should evaluate the new --defer-shutdown-max-min, --proxy-authorization-command, and --proxy-authorization-file options for enhanced control over shutdown behavior and proxy authentication.
  • Observe interactive sessions for improved memory management and consistent output styles, as unbounded memory growth and style drifting have been fixed.