← Claude Code

Claude Code 2.1.286

Released Sep 30, 2026 · official source

Safe to upgrade? Many reports – consider waiting

5 bug/regression-labelled issues opened in the 23h after release (5 regression-flagged, 0 mention v2.1.286 in title). Normalised score 47.3.

Issues counted
  • #98744 [BUG] PostToolUse hooks no longer fire for MCP tools (bug, has repro, platform:macos, area:mcp, area:hooks, regression)
  • #98663 [BUG] Claude in Chrome: tab group shows generic "Claude" instead of the session/discussion name (regression for a few days) (bug, platform:windows, regression, area:browser-extension, area:chrome)
  • #98642 [BUG] Desktop: deleting a session from the sidebar now permanently deletes its local transcript (since Claude Code 2.1.284), wiping usage stats for that day (bug, platform:macos, regression, data-loss, area:desktop)
  • #98629 [BUG] Plugin install fails for git-subdir sources since 2.1.274: "git checkout after sparse-checkout failed … index.lock: File exists" (bug, has repro, api:bedrock, platform:linux, regression, area:plugins)
  • #98546 Desktop-hosted sessions: subagents receive none of the tools of a user MCP server named `memory` (misclassified as account memory server, since 2.1.284) (bug, has repro, platform:macos, area:mcp, area:agents, regression, area:desktop)

How this is computed

Breaking-change highlights

Auto-extracted lines mentioning breaking/deprecated/removed/migrate. Always read the full notes.

Changelog: v2.1.286

What's changed