VS Code no longer resets Max plan users to Sonnet after token refresh; 16 fixes tackle memory growth, auth URL truncation, plugin permissions, and --resume regressions.
X-Claude-Code-Session-Id header to API requests so proxies can aggregate requests by session without parsing the body.jj and .sl to VCS directory exclusion lists so Grep and file autocomplete don't descend into Jujutsu or Sapling metadata--resume failing with "tool_use ids were found without tool_result blocks" on sessions created before v2.1.85~/.claude/CLAUDE.md) when conditional skills or rules are configured/feedback on very long sessions with large transcript files--bare mode dropping MCP tools in interactive sessions and silently discarding messages enqueued mid-turnc shortcut copying only ~20 characters of the OAuth login URL instead of the full URL/model in one of them/plugin uninstall dialog: pressing n now correctly uninstalls the plugin while preserving its data directoryultrathink hint lingering after deleting the keyword/skills menu to sort alphabetically for easier scanning@ — raw string content no longer JSON-escaped/skills listing are now capped at 250 characters to reduce context usage