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Hydron Changelog

1.3.0

  • Plugins — install, enable, and manage plugins from the CLI (hydron plugin), the /plugins menu, or the new Plugin Marketplace in the VS Code extension. Plugins can add agents, commands, workflows, and MCP servers.
  • Serial monitor summarizer — serial output is summarized as it streams, for both auto-detected and manual connections.
  • Chat feedback — rate and comment on responses directly in chat.
  • Safe C coding plugin — bundled built-in plugin for embedded C guidance.
  • UAV plugin
  • Improved Windows support for listing COM ports.

1.2.1

  • Stability and compatibility fixes.

1.2.0

  • Faster access to new builds, with the current version and build details shown in the About panel.

1.1.1

  • Debug log export — export a redacted debug log from the TUI or VS Code to share with support.

1.1.0

  • Project management from the CLI — hydron projects for selecting and managing H2Loop projects.
  • Session export — save a conversation as JSON.

1.0.3

  • Serial write and hardware fixes.

1.0.2

  • Improved serial monitor feature
  • Various bug fixes and improvements

1.0.1

  • Added list_hydron_data_sources tool for discovering project documents
  • Added project selection and hardware linking nudges
  • Improved Hydron project context clarity in system prompt
  • Filtered tools based on agent permissions
  • Improved write tool error handling for truncated content
  • Improved tool calling
  • Minor bug and UI fixes, improvements

1.0.0

  • Initial release, built on top of Kilo Code.