Version 2.0.10

What: Added intelligent tab-completion for bash and zsh shells when typing commands in the Bash tool How to use: While typing a command in the Bash tool, press Tab to see completion suggestions for:

• Commands (e.g., git st → git status)
• Files and directories (with trailing / for directories)
• Shell variables (for inputs starting with $)

Details:

• Automatically detects your shell type (bash or zsh) from $SHELL environment variable
• Context-aware completion: determines whether you're typing a command, file path, or variable based on cursor position
• Bash completion uses compgen -c (commands), compgen -f (files), compgen -v (variables)
• Zsh completion uses native zsh parameter and command arrays
• Limited to 100 suggestions per request for performance
• Evidence: M0Q() at line 420086, wn5() at line 420018, qn5() at line 420051, En5() at line 420059, Nn5() at line 420067 in v2.0.10

What: MCP servers now appear in the command palette and can be toggled on/off with a keystroke How to use:

# Open command palette (typically Ctrl+P or Cmd+P)
# Type server name to filter
# Press Enter to toggle server on/off

Details:

• Servers are displayed with visual indicators: ✓ (enabled) or ○ (disabled)
• Format: [mcp] server-name with description enabled (⏎ to toggle)
• The ide server is excluded from the list
• Filtering works on server names (case-insensitive)
• Toggle action immediately enables/disables the server
• Evidence: On5() at line 420158 in v2.0.10 (was empty array stub bF5() at line 419342 in v2.0.9)

What: Claude can now suggest switching to a different model when exiting plan mode How to use: When Claude presents a plan and exits plan mode, it may automatically switch to a more appropriate model based on task complexity. The model choice is shown in the status display.

Details:

• New model parameter in ExitPlanMode tool schema
• Session-scoped model override via mainLoopModelForSession state variable
• Session override takes precedence over base model setting
• Status command shows: Current model: <model> (session override from plan mode) when active
• Base model remains unchanged for future sessions
• Evidence: bY7 schema at line 416861, mainLoopModelForSession state at line 448805 in v2.0.10 (did not exist in v2.0.9)

What: Telemetry data is now properly flushed when logging out, with configurable timeout How to use: Set the CLAUDE_CODE_OTEL_FLUSH_TIMEOUT_MS environment variable to control flush timeout (default: 5000ms):

export CLAUDE_CODE_OTEL_FLUSH_TIMEOUT_MS=10000
claude

Details:

• New DEB() async function handles telemetry flushing with timeout protection
• Default timeout is 5000ms (vs 1000ms for shutdown)
• Uses Promise.race() to enforce timeout
• Flushes both trace provider and metrics provider
• Logs success/timeout/error messages at appropriate levels
• Integrated into logout flow via IL0() function
• Evidence: DEB() at line 398367 in v2.0.10 (did not exist in v2.0.9)

What: Environment providers are now fetched dynamically from the API instead of using hardcoded values How to use: This happens automatically when creating remote sessions. The first available environment is selected and logged.

Details:

• New API endpoint: /v1/environment_providers
• Fetches available environments with authentication headers
• Validates that environments are available before session creation
• Logs selected environment: Selected environment: <id> (<name>)
• 15-second timeout for API request
• Replaces hardcoded environment ID env_011CSUkSjSxeWzWtatWym6Yn
• Evidence: mMB() at line 404246 in v2.0.10 (different function in v2.0.9)

What: Statsig dynamic configurations are now cached in application state for faster access How to use: This is automatic. Config values are returned immediately from cache while fresh values are fetched in the background.

Details:

• New cachedDynamicConfigs object in state stores config values by key
• B2Q(configName, defaultValue) retrieves cached value immediately, fetches fresh value asynchronously
• Q2Q(configName) clears a specific cached config
• Reduces repeated API calls to Statsig
• Improves initial render performance
• Evidence: cachedDynamicConfigs at line 440962, B2Q() at line 441924, Q2Q() at line 441937 in v2.0.10 (did not exist in v2.0.9)

What changed: Plugin loading failures are now tracked individually with structured error information instead of failing silently

Details:

• New errors array in plugins state stores error details with source attribution
• Individual try-catch blocks around commands, agents, and hooks loading prevent cascading failures
• Error objects include source field: "plugin-commands", "plugin-agents", "plugin-hooks", or "plugin-loading"
• Error count included in startup logs: Loaded plugins - ... Errors: ${count}
• If one plugin component fails to load, others still attempt to load
• Evidence: ad1() at line 423922, errors field at line 448824 in v2.0.10 (errors ignored in dMB() at line 422999 in v2.0.9)

What changed: External editors now launch in alternate screen buffer for cleaner terminal experience

Details:

• Added AAQ() function that wraps editor invocation with terminal screen switching
• Uses \x1B[?1049h to enable alternate screen before launching editor
• Uses \x1B[?1049l to restore original screen after editor exits
• Prevents editor output from polluting the Claude Code interface
• Cleans up temporary files after editor closes
• Supports $VISUAL, $EDITOR, and fallback editors (code, vi, nano)
• Evidence: AAQ() at line 422356 in v2.0.10 (screen buffer codes existed but not integrated in v2.0.9)

What changed: Model options now include descriptions specifically tailored for Claude's decision-making

Details:

• Added descriptionForModel field to model configurations
• Sonnet 4.5: "the most powerful model. Generally best for most coding tasks"
• Sonnet (1M context): "with 1M context window - for long sessions with large codebases"
• Opus 4.1: "slower and more expensive than Sonnet, generally not recommended over Sonnet 4.5"
• Helps Claude make better model switching decisions when exiting plan mode
• Evidence: kB4.descriptionForModel at line 364157, fL1.descriptionForModel at line 364164, wtA.descriptionForModel at line 364173 in v2.0.10 (did not exist in v2.0.9)

What changed: Enhanced validation of environment variable formats in claude mcp add command

Details:

• New OI6() function validates KEY=value format using regex /^[A-Za-z_][A-Za-z0-9_]*=/
• Validates variable names start with letter or underscore
• Variable names can contain letters, numbers, and underscores
• Prevents malformed environment variables from being added to MCP server configurations
• Evidence: OI6() at line 386305 in v2.0.10 (did not exist in v2.0.9)

What changed: Installation messages and warnings are now managed through a centralized notification system

Details:

• New N2Q() hook processes installation messages on startup
• Messages categorized by priority: high (errors, action required), medium (path/alias issues), low (info)
• Messages displayed with appropriate colors: error (red), warning (yellow)
• Uses XO() to fetch installation messages
• Integrates with the notification queue system
• Evidence: N2Q() at line 425522 in v2.0.10 (did not exist in v2.0.9)

What changed: Added configurable tips system that displays messages at the top of the conversation feed

Details:

• New u_0() component renders tips with color options: warning, error, or dimmed
• Tips cached in dynamic configs via A2Q config key
• Ma5() hook retrieves current tip using B2Q()
• Automatically invalidates cache when tip changes
• Default state: { tip: "", color: "dim" }
• Evidence: u_0() at line 424743, Ma5() at line 424769 in v2.0.10 (did not exist in v2.0.9)

What changed: Authentication functions now accept optional allowedSettingSources parameter for better source control

Details:

• FO(allowedSettingSources) function signature updated (was VO())
• he(allowedSettingSources) function now accepts sources parameter
• z4Q(allowedSettingSources) ensures token availability (was qjB())
• Allows filtering which settings sources can provide authentication tokens
• Evidence: FO() at line 440418, Xr4() at line 376327 in v2.0.10 (different signatures in v2.0.9)

What changed: Latest debug log file now has a symlink for easier access

Details:

• New G$Q function creates latest symlink to current debug log
• MH1() returns debug log path (with CLAUDE_CODE_DEBUG_LOGS_DIR support)
• On1() returns path to latest symlink
• Symlink automatically updated on each run
• Located in debug directory: ~/.cache/claude-code/<workspace>/debug/latest
• Evidence: G$Q at line 341114, MH1() at line 341106, On1() at line 341111 in v2.0.10 (did not exist in v2.0.9)

What changed: Terminal rendering logic refactored into dedicated classes for better separation of concerns

Details:

• Main component class renamed from MC1 to OC1 and simplified
• New dt1 class encapsulates all terminal output rendering logic
• Rendering function ft1() now uses closure pattern (was giQ())
• Layout calculation moved into renderer (was separate calculateLayout() method)
• Frame state (prevFrame, fullStaticOutput) moved to dt1.state
• Buffer class renamed from b41 to f41 (functionally identical)
• Improved code organization and maintainability
• No user-visible changes
• Evidence: OC1 at line 358599, dt1 at line 357561, ft1() at line 357320 in v2.0.10 (was MC1 at line 358357, inline rendering in v2.0.9)

What changed: /model command now shows session override information when active

Details:

• Displays both current model and base model when session override is active
• Format: Current model: <bold>ModelName</bold> (session override from plan mode)\nBase model: <base-model>
• Bold formatting applied to session override model name via p1.bold() / HM() function
• Helps users understand when plan mode has changed their model
• Evidence: Yr5() at line 431964 in v2.0.10 (was simpler zz5() at line 431016 in v2.0.9)

What: Console.log and console.error now route through global error handlers instead of internal write methods

Details:

• Console output now logged via r() function with prefix: console.log: <message>
• Console errors now reported via J1() with error object and category code Fa0 (292)
• Removed special case filtering for React error message "The above error occurred"
• More consistent error tracking and logging
• Evidence: patchConsole() in OC1 at line 358722 in v2.0.10 (was different in MC1.patchConsole() at line 358579 in v2.0.9)

What: Added proper implementations of trim, toNumber, debounce, and throttle from lodash

Details:

• b7Q() (trim) - removes leading/trailing whitespace at line 335245
• d7Q() (toNumber) - converts values to numbers, handles special formats at line 335259
• CXQ() (debounce) - debounces function calls with leading/trailing options at line 336928
• tXQ() (throttle) - throttles function calls with configurable timing at line 337236
• These replace or supplement existing implementations for better compatibility
• Evidence: Added functions at lines 335238-337246 in v2.0.10 (partial or missing in v2.0.9)

• Added mainLoopModelForSession: null to initial state for session-scoped model overrides
• Added errors: [] to plugins state structure
• Added cachedDynamicConfigs: {} to state for configuration caching
• Default state object renamed from QH to Iz

• Added import { cwd as w7A } from "node:process" at line 357756
• Added import { createHash as dt4, randomBytes as ct4 } from "crypto" at line 379140
• Added import { exec as yt5 } from "child_process" at line 440404
• Added import { PassThrough as a18 } from "stream" at line 445653
• Removed import NzQ from "stream" (replaced with named import)
• Removed import q6Q from "node:process" (no longer needed)
• Removed import { resolve as A5Q } from "path" (renamed to L5Q)

• Removed giQ() rendering function (replaced by ft1())
• Removed HnQ() log factory (replaced by dt1 class)
• Removed DnQ log factory wrapper (replaced by dt1 class)
• Removed c3A and p3A React contexts for stdout/stderr (unused)
• Removed MC1 class (replaced by OC1)
• Removed wU1() no-op function at line 361922
• Removed i81() and o24() opus plan detection functions
• Removed js4() auth header function (replaced by Xr4())
• Removed bF6() and jD0 static renderer class
• Removed qD6() editor helper (replaced by $Y1())
• Removed Eb() model hook (replaced by sb())
• Removed bF5() empty MCP server filter (replaced by On5())
• Removed dMB() plugin loading (replaced by ad1())
• Removed RV5 opus plan welcome banner
• Removed zz5() simple model status (replaced by Yr5())

• Log directory structure simplified in cO object (was oJ)
• Removed debugLog() function from path helpers (now uses MH1())
• Added path separator constant OK at line 438815

• Added Ny2 = "tmp-preserve-thinking-2025-10-01" constant at line 376351

This changelog represents a careful analysis of v2.0.10, distinguishing between truly new features, enhancements to existing functionality, and internal refactoring. All claims have been verified against both versions with specific line number references.