Claude Code v2.0.62

What: Claude Code now displays proactive warnings when using models approaching retirement dates. Details:

• Warns users when using Claude 3 Opus (retiring January 5-15, 2026 depending on provider)
• Warns users when using Claude 3.7 Sonnet (retiring February-May 2026 depending on provider)
• Displays as a high-priority notification: "⚠ [Model Name] will be retired on [Date]. Consider switching to a newer model."
• Different retirement dates based on provider (Bedrock, Vertex, or first-party API)
• Evidence: $x7() at line 483888, jX1() at line 483910, KW9() at line 483919

What: New /install-slack-app command to easily install the Claude Slack app. How to use:

/install-slack-app

Details:

• Opens the Slack Marketplace page for Claude in your browser
• Controlled by code_slack_app_install_banner feature flag
• Evidence: bH9 at line 501391, hH9 at line 501394

What: Claude Code can now detect if the Claude for Chrome extension is installed and notify users if not. Details:

• Detects extension across multiple Chrome profiles
• Shows notification: "Chrome extension not detected · https://claude.ai/chrome to install"
• Works on macOS, Windows, and Linux
• Evidence: qG9() at line 480314, Zk7() at line 480347, NG9() at line 480378

What: Plugins can now be installed with different scopes: user, project, or local. How to use: When installing a plugin via the UI, you can now choose:

• "Install for you (user scope)" - Available across all projects
• "Install for all collaborators on this repository (project scope)" - Shared via .claude/settings.json
• "Install for you, in this repo only (local scope)" - Local only, not committed

Details:

• Plugin installation now tracks scope in installed_plugins_v2.json
• Supports migration from V1 plugin installation format
• Evidence: _G9() at line 480734, rE() at line 483476, eI9() at line 483520, Ez9() at line 511472

What: Session history search now supports fuzzy matching across actual message content, not just titles and summaries. Details:

• Uses Fuse.js for fuzzy matching with configurable threshold
• Shows matching snippets highlighted in search results
• Searches across message content from conversations
• Results sorted by combination of recency and match score
• Evidence: Mf7() at line 503542, Lf7() at line 503527, Nf7() at line 503053, Fuse search implementation at line 6186

What: The plugin browser now includes pagination and improved scrolling for better navigation. Details:

• Pagination indicator shows current position (e.g., "(1/15)")
• Visual scroll indicators for "more above" and "more below"
• Improved keyboard navigation with j/k support
• Evidence: js() at line 510132, Ah7 (page size = 5) at line 510206

What: Enhanced plugin error messages with categorized error types and suggested fixes. Details:

• Errors categorized by type: path-not-found, git-auth-failed, network-error, manifest-parse-error, etc.
• Provides actionable suggestions for each error type
• Evidence: Yh7() at line 512782, Jh7() at line 512822, Mz9() at line 512863

What: The EnterPlanMode tool description has been significantly expanded with better guidance on when to use it. Details:

• Now explicitly recommends using plan mode proactively for non-trivial tasks
• Adds "New Feature Implementation" and "Code Modifications" categories
• Provides more nuanced examples including "Add a delete button to the user profile"
• Changes from "err on the side of starting implementation" to "err on the side of planning"
• Evidence: nc2 at line 435451

What: macOS sandbox now supports pseudo-terminal (PTY) operations when configured. Details:

• New allowPty configuration option
• Enables /dev/ptmx and /dev/ttysXXX device access
• Required for programs that need terminal control
• Evidence: m64() at line 49306, PTY sandbox rules at lines 5602-5612

What: New allowGitConfig option to control sandbox access to .git/config files. Details:

• Defaults to false (no access)
• When disabled, .git/config is excluded from sandbox read allowlist
• Accessible via filesystem.allowGitConfig configuration
• Evidence: xc0() at line 49880, sandbox path handling at line 5178

What: Improved terminal UI rendering with dirty node tracking to avoid unnecessary redraws. Details:

• Nodes now track dirty state to skip unchanged subtrees during render
• Optimized style comparison to avoid unnecessary updates
• Evidence: ue() at line 194210, Vu1() at line 194183, Fu1() at line 194187

• Added flagSettings as a new settings scope for flag-based settings
• Settings now track their source (managed, user, project, local, flag) for better debugging
• Evidence: flagSettings at line 2253, scope handling at lines 2476-2481

• Plugin installation now uses versioned paths consistently
• Better handling of local vs. remote plugins during installation
• Migration support from V1 to V2 plugin installation format
• Evidence: XV0() at line 480814, zk7() at line 480667