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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v1.0.55

14 entries read diff v1.0.54 → v1.0.55 Markdown
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10 entries

Changesopen

IDE Auto-Detection and Multi-IDE Support#

  • Enhanced IDE detection: Claude Code now automatically detects running IDEs on your system and can suggest installing the appropriate extension
  • Multi-IDE selection: When multiple IDEs are detected, users can select which one to install the extension for via a new selection interface
  • Supported IDEs expanded: Full support for VS Code, Cursor, Windsurf, and all JetBrains IDEs (IntelliJ IDEA, PyCharm, WebStorm, PhpStorm, RubyMine, CLion, GoLand, Rider, DataGrip, AppCode, DataSpell, Aqua, Gateway, Fleet, Android Studio)

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

Auto-Connect IDE Dialog#

  • New first-run dialog asking users if they want to enable auto-connect to IDE
  • Users can configure this later with /config or the --ide flag
  • Setting persisted as autoConnectIde in user preferences

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

Improved IDE Integration UI#

  • Redesigned welcome screen for IDE extensions with:
  • Color-coded IDE branding (new ide color in theme)
  • Clear indication of which IDE extension was installed
  • Better visual hierarchy with context indicators (⧉ for open files and selected lines)
  • Diff preview indicators showing how changes will appear (+11 -22)
  • Clearer hotkey instructions (Cmd+Esc for Quick Launch, Cmd+Option+K for file references)

New Configuration Options#

  • autoInstallIdeExtension: Control whether Claude Code automatically installs IDE extensions (defaults to true)
  • hasIdeAutoConnectDialogBeenShown: Tracks whether the auto-connect dialog has been shown

Better IDE Status Reporting#

  • Enhanced /ide command output with more detailed connection status
  • Clearer error messages when IDE extensions fail to install
  • Version mismatch detection between installed extension and server

Platform-Specific Enhancements#

  • Improved Windows path handling for better cross-platform compatibility
  • Better process detection across macOS, Windows, and Linux
  • Platform-specific process keyword matching for accurate IDE detection

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

UI/UX Improvements#

  • New ide theme color (rgb(71,130,200)) for IDE-related UI elements
  • Spinner tips system foundation added (for future loading screen tips)
  • Better escape key handling in dialogs
  • More consistent dialog styling with rounded borders

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

Refactored IDE Detection System#

  • Centralized IDE configuration in new oc object containing all IDE metadata
  • New utility functions:
  • BBA(): Check if an IDE is VS Code-based
  • EV(): Check if an IDE is JetBrains-based
  • tc(): Detect running IDEs on the system
  • HV(): Get display name for an IDE
  • IBA(): Get current terminal IDE if applicable

Improved Shell Command Execution#

  • Simplified shell command construction removing conditional snapshot loading
  • Better stdin handling for shell commands using PassThrough streams
  • More robust error handling in shell execution

Permission System Enhancement#

  • New QJ4() function for enhanced permission prompt handling
  • Better integration with tool permission system
  • Improved error messages for permission denials

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

1 entry

Bug Fixesopen

#

  • Fixed duplicate comment issue in generated code
  • Improved handling of IDE extension installation failures
  • Better error recovery when IDE connection cannot be established
  • Fixed path normalization issues on Windows

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

1 entry

Breaking Changesopen

#

None - this release maintains backward compatibility with existing configurations and workflows.

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

Verbatim
Official · Anthropic

Anthropic’s official release notes

Published verbatim by Anthropic for v1.0.55. Text is unmodified from the upstream changelog. Everything else on this page came out of the bundle instead, which is why the two lists don't match.

  • Clarified knowledge cutoff for Opus 4 and Sonnet 4 models
  • Windows: fixed Ctrl+Z crash
  • SDK: Added ability to capture error logging
  • Add --system-prompt-file option to override system prompt in print mode
System prompt

The system prompt was not captured for this release, so this page cannot say whether it moved.