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Copilot CLI v0.0.399-0: Slash Commands & LSP

Copilot CLI 0.0.399-0 adds Ctrl+X slash command shortcut, /diff for session reviews, and experimental LSP support for code intelligence.

Copilot CLI v0.0.399-0: Slash Commands & LSP

TL;DR

  • Ctrl+X then / runs slash commands without clearing input
  • New /diff command to review session changes
  • LSP tool added for code intelligence (experimental)
  • Token tracking now includes sub-agent consumption

New

  • Slash command shortcut — Press Ctrl+X then / to invoke slash commands while keeping your input intact.
  • /diff command — Review all changes made during your session without re-running code.
  • LSP tool — Language Server Protocol integration for code intelligence (requires experimental flag).

Improved

  • Compaction messages — Clearer command hints now guide you to view checkpoint summaries.

Fixed

  • /usage token tracking — Now includes token consumption from sub-agents like the general-purpose agent.

Update with: npm install -g @github/copilot-cli@0.0.399-0

Source: Copilot CLI

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