upstream: official claude code updates 2026-05-22

[github-actions]

upstream changes detected

sources: anthropic/changelog, anthropic/official-docs, anthropics/claude-code, marckrenn/claude-code-changelog
changes found: 14
files edited: 4
staleness flags: 3

what changed upstream

• [release] v2.1.148 (link)
• [release] v2.1.147 (link)
• [commit] v2.1.148 (link)
• [commit] v2.1.148 (link)
• [commit] v2.1.148 - init (1,774 tokens) (link)
• [commit] v2.1.148 - init (1,525 tokens) (link)
• [commit] v2.1.148 - edit (link)
• [commit] v2.1.148 - edit (link)
• [commit] v2.1.148 - edit (link)
• [commit] v2.1.148 - edit (link)
• [commit] v2.1.148 - edit (link)
• [commit] v2.1.148 - edit (link)
• [changelog] Claude Code changelog updated (link)
• [docs_change] Official Claude Code docs updated (link)

staleness flags

file	claim	reality	severity
docs/tips/fast-mode.md	fast mode doesn't change your cost on the max plan	v2.1.147+ includes /code-review (renamed from /simplify) which may have different cost implications than previously documented	low
docs/cost.md	monitor (v2.1.98+) is stable and mature	v2.1.147-148 made multiple fixes to background sessions and pinned sessions; monitor's interaction with these may have changed	low
docs/tips/session-length.md	session data shows compaction patterns from earlier versions	v2.1.147+ improved auto-updater and background session handling; compaction behavior may differ	low

proposed edits

• docs/tips/README.md: /simplify was renamed to /code-review with new semantics in v2.1.147
• docs/cost.md: major command rename and behavior change in v2.1.147
• docs/tips/session-length.md: v2.1.147 changed background session behavior; users may observe different session patterns
• docs/tips/hooks-v2.md: v2.1.147 fixed matching logic for hook conditions
• docs/tips/plugins.md: v2.1.147 fixed plugin agent type handling

review checklist

• staleness flags accurate?
• version numbers and pricing correct?
• proposed edits read naturally?

auto-generated by official-watcher