[bot] Add /pr command, Extensions, preCompact hook, and devcontainer MCP support (CLI v1.0.3–v1.0.5)#13
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New features from Copilot CLI v1.0.3–v1.0.5 (March 9–13, 2026): - Add Extensions section (v1.0.3): code-based CLI tools via @github/copilot-sdk, managed with /extensions command - Add /pr Command section (v1.0.5): full PR lifecycle from CLI — create, view, fix CI failures, address review feedback, resolve merge conflicts - Add preCompact hook type to Hooks section (v1.0.5): runs before context compaction - Update MCP Servers location to include .devcontainer/devcontainer.json (v1.0.3) - Update ASCII diagram, Table of Contents, and Quick Reference table Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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What was found
Checking Copilot CLI releases from the past 7 days (v1.0.3 → v1.0.5, March 9–13, 2026) surfaced four user-facing features not yet documented in the guide:
@github/copilot-sdk, managed with/extensions/prcommandpreCompacthook.devcontainer/devcontainer.jsonCommunity checks:
What was updated
New sections added
/extensionscommand, and a minimal example using@github/copilot-sdk/prCommand (Agentic section, after Autopilot Mode) — explains the/prslash command for creating PRs, viewing status, fixing CI, addressing reviews, and resolving conflictsExisting sections updated
preCompactto the hook types table and to the examplehooks.json📁 Location:line to include.devcontainer/devcontainer.jsonStructure kept in sync
/pr Commandentries/prSource announcements
/pr viewcommand, Extensions as CommonJS/prcommand GA,/extensionscommand,preCompacthook